SJ 20581-1996 General specification for shipborne sea search radar

SJ 20581-1996 General Specification for Shipborne Sea Search Radar SJ20581-1996 Standard download decompression password: www.bzxz.net

Military standard of the electronics industry of the People's Republic of China FL5840
General specification for
sea search shipborneradars
Published on August 30, 1996
SJ 20581—96
Implemented on January 1, 1997
Ministry of Electronics Industry of the People's Republic of China
Military standard of the electronics industry of the People's Republic of China General specification for sen search shiphorne radars 1 Scope
1.1 Subject content
SJ 20581-96
This specification specifies the requirements, quality assurance provisions and delivery preparation for shipborne sea search radars (hereinafter referred to as "Xuda"). 1.2 Scope of Application
This specification is applicable to sea search radars equipped on surface combat ships; it is also applicable to shipborne sea and low-altitude search radars.
2 cited documents
GB 378483
CJB 74.2--85
GIR 368.5-87||GJB 403.2—87
GIR 403.3-87
GJR 403.487
GJB 403.7--87
GJR 403.8--87
GJB 403.9--87
GJR 887—90
GJB 899--91
GJB 909—91
GJR1766—93
GJRz 20045-91
ST 3223--89
Radar terminology
General technical terms for military ground radars Common terminology for equipment maintainability General specifications for equipment maintainability test and assessment General technical items and tests for shipborne radars General technical conditions for design and manufacturing requirements General technical conditions for shipborne radars Environmental requirements General technical conditions for shipborne radars Requirements and measurements for electromagnetic compatibility General technical conditions for shipborne radars Inspection rules General technical conditions for shipborne radars Packaging, transportation and storage Test methods for anti-ground clutter performance of military ground radars Reliability identification and acceptance test
Quality control of key and important parts
Technical requirements for packaging of radar equipment maintenance spare parts Performance test methods for radar monitoring subsystem Fault detection rate, fault isolation rate and false alarm rate General technical conditions for ground radar transmission systems SI207.1~207.4~—82 Management system for design documents SI20582—96
HJB 37—90
HJB 68--92
3 Requirements
Test methods for tactical performance of shipborne sea search and capture equipment
General specifications for display consoles, chassis and cabinets for shipboard electronic equipment Ministry of Electronics Industry of the People's Republic of China Issued on August 30, 1996 Implementation on January 1, 1997
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3.1 Product specifications
SJ20581--96
This specification shall be used together with the product specifications of various types of radars. The detailed requirements of radars shall comply with the provisions of product specifications. If the requirements of this specification conflict with the product specifications, the product specifications shall prevail. 3.2 Joint appraisal
The radar submitted for use in accordance with this specification shall be a product that has passed the appraisal or has been approved for finalization. 3.3 Reliability
The reliability of radar includes basic reliability and mission reliability indicators: a. Basic reliability indicators: The mean time between failures (MTBF) should be specified and the minimum acceptable value should be specified. Unless otherwise specified, the specified value of the mean time between failures (MTBF) should not be less than 150h; at the same time, its minimum acceptable value shall be specified in the product specifications according to the reliability test plan and product specifications required for each type; b. Mission reliability indicators: The fatal failure interval MTBCF value shall be specified by the product specifications according to the radar mission, failure characteristics and reliability test plan. 3.4 Materials, components
3.4.1 The selection of materials shall be in accordance with the provisions of Articles 11.1 to 11.10 of GIB403.3. 3.4.2 The selection of components shall be in accordance with the provisions of Articles 10.1 to 10.8 of GJB403.3. 3.4.3 The quality control of key and important parts shall be in accordance with the provisions of GJB 909. 3.5 Design
3.5.1 Radar design shall comply with the provisions of Article 4.1 to Article 4.7 and Chapter 6 and Chapter 7 of JB403.3. 3.5.2 The completeness of technical documents in radar design shall comply with the provisions of SJ2017.1~207.4. 3.5.3 The processability requirements in radar manufacturing shall comply with the provisions of Chapter 9 of GJB 403.3. 3.6 Structure
The radar structure shall be firm, safe, reliable, easy to operate and maintain, especially the part installed on the pole. In order to achieve small size and light weight, in order to ensure the safe and normal operation of the radar and operators under the specific environmental conditions of the ship, its basic requirements shall comply with the provisions of Article 8.1 of GJB403.3.
The requirements for display console, chassis and cabinet shall comply with the provisions of HJB 68, the structural design of the panel shall be in accordance with the provisions of Article 8.3 of GJB403.3. The requirements for antennas, feeders, antenna seats, transmission mechanisms, etc. shall be in accordance with the provisions of Article 8.5 of GJB403.3. The radar's main line shall have a structural form installed on the top of the highest pole of the ship; the antenna stabilization platform shall have limit and locking devices. The radar structural protection design shall be carried out in accordance with the provisions of Articles 8.7, 8.8 and 13.4 of GJB403.3. 3.7 Standard parts
3.7.1 Radar design should improve generalization, serialization, and modularization (combination) 3.7.2 The components, printed circuit board plug-ins, modules, etc. in the radar should be interchangeable with the corresponding replaceable units in the spare parts. After the interchange, the adjustable parts can be slightly adjusted on site to work normally. 3.8 Maintainability
3.8.1 Quantitative requirements for maintainability
When the radar is installed on the ship and used on site, its mean time to repair (MTTR) should not exceed 30nin. 3.8.2 In-machine Self-test (13Fr) requirements
The radar should have internal dynamic detection capabilities, and its self-test technical performance is as follows: a. Fault detection rate: should be greater than 95%;
h. Fault isolation rate: should be greater than 90%;
c. Self-detection false alarm rate: should be less than 2%.
3.9 Transportability
SJ20581-96
After the radar is packed, except for special requirements, its volume and weight should comply with the transportation size limit regulations for water, land, air (or crane) transportation; and it can be transported by car at 20~-30km/h on 2~~~3 level roads. h and transported at a speed of 200-300 km to maintain the integrity of the radar. 3.10 Human Factors
3.10.1 In radar design, the design criteria and principles of "man-machine-environment" system engineering should be fully utilized to make the operation and maintenance of the staff convenient, safe and reliable. 3.10.2 The "man-machine-environment" requirements in radar design shall be carried out in accordance with the provisions of Article 8.9 of GJB403.3. 3.11 Safety
The safety criteria, safety design, noise restrictions, microwave radiation safety limits, and radiation protection requirements of the radar shall be carried out in accordance with the provisions of Articles 17.1-17.5 of GJB 403.3. 3.12 Nuclear Reinforcement
In order to improve the survivability of the radar under nuclear attack, the radar shall be designed with nuclear reinforcement when necessary. The specific requirements shall be clearly stated in the technical task book or order contract. 3.13 Parts and components
3.13.1 The design and selection of parts and components shall be carried out in accordance with the provisions of Article 8.4 of GJB403.3. 3.13.2 The processing of parts and components shall comply with the drawings, and their assembly and connection shall be firm and reliable, and measures shall be taken to prevent loosening. 3.13.3 Protective devices shall be added to parts and components that are susceptible to damage; parts and components that are prone to condensation and mildew shall be treated with moisture-proof, salt spray-proof and mildew-proof treatment.
3.13.4 Metal parts shall not have rust and other mechanical damage, and all contact and friction parts shall be protected by lubrication as specified in the drawings. 3.14 Electromagnetic compatibility
3.14.1 Electromagnetic compatibility design
shall comply with the provisions of Section 3 of GIB403.7 and meet the overall requirements of the ship on which the radar is installed. 3.14.2 Electromagnetic compatibility requirements
The electromagnetic compatibility requirements to be achieved shall comply with the provisions of Chapter 5 of GIB 403.7. 3.14.3 System-trigger
The equipment shall have the ability to work synchronously with external triggering to meet the requirements of synchronous system triggering of the entire ship's electronic system after installation. 3.15 Dimensions and weight
It shall meet the requirements for installation on ships. The specific requirements shall be in accordance with the provisions of Article 8.2 of GJB403.3. 3.16 Color and surface condition
3.16.1 The color of the equipment and its supporting equipment shall comply with the provisions of HIB37. Special requirements shall be specified in the order contract. 3.16.2 The color of the equipment installed inside and outside the cabin shall be coordinated, beautiful and practical, and shall meet the overall requirements of the installed ship. 3.16.3 Surface coating and chemical treatment shall comply with the provisions of Article 8.11 of GJB403.3. 3.17 Product marking and patent code
The marking on the equipment shall comply with the provisions of Articles 16.1 to 16.6 of GJB403.3. The various marking codes in the radar equipment should be consistent with the numbering marks on the corresponding circuit diagram, assembly diagram, wiring diagram and cable connection diagram.
3.18 Appearance quality
3.18.1 The appearance should be beautiful and harmonious in color; the outer surface should be smooth and free of dents, bumps, cracks, deformation and other phenomena; the coating layer should not bubble, crack or fall off.
SI 20581 - 96
3.18.2 The layout of the handles, switches, knobs, indicator lights, test jacks, meters, buttons, etc. on the whole panel should be unified and coordinated, and the operation should be flexible, accurate and convenient; the parts and plugs should be tightened without looseness: the positioning parts should be correctly positioned. 3.18.3 The signs, text symbols and signs that explain the functions should be clear, and the handwriting should be correct and clear. 3.19 Main Technical Performance
3.19.1 Operating Frequency and Bandwidth
The requirements for the radar operating frequency and bandwidth shall be specified by the product specifications according to the tactical and technical task book. 3.19.2 Search Distance
Maximum Search Distance for Sea
Under given sea conditions, detection probability, cancer warning probability, target height, antenna rotation speed, weather conditions, etc., the maximum search distance for sea surface targets is the radar line of sight.
Under normal large refraction conditions, the radar sight distance is calculated according to formula (1): R ㎡ 4.12 (H, Hz)
Where: R-radar sight distance, km;
H,——radar antenna height, m;
H, and mark height, m.
b, maximum search distance for low altitude
Under given conditions such as detection rate, speed acquisition rate, target cross-sectional area, antenna rotation speed, sea conditions and meteorological conditions, the maximum search distance for low altitude is specified by the product specification.
3.19.3 Search accuracy
l. Distance accuracy (RMS value): Unless otherwise specified, it should not be less than 80m; h, Azimuth accuracy (RMS value): Unless otherwise specified, it should not be greater than 0.53.19.4 Marker resolution
a. Distance resolution: Unless otherwise specified, it should not be greater than 150m. Azimuth resolution: Unless otherwise specified, it should be no less than 2°. 3.19.5 Data
Unless otherwise specified, the data rate of the search target shall be selected within 630/min. 3.19.6 Anti-active flatness capability
3.19.6.1 Frequency conversion capability
Including frequency conversion mode, frequency conversion range, frequency conversion speed, adaptive frequency agility capability, etc., which shall be specified by the product specifications. 3.19.6.2 Signal form and signal guide adaptive capability shall be specified by the product specifications
3.19.6.3 Anti-large line side lobe interference capability
a. Antenna side lobe level: Unless otherwise specified, the side lobe level shall be at least 25dB lower than the main lobe level, and the far-field side lobe level shall be at least 30dB lower than the main lobe level;
b. Side lobe interference suppression capability: specified by the product specifications. 3.19.6.4 Antenna polarization selection capability
also includes polarization form, polarization working mode, polarization conversion speed, etc., which shall be specified by product specifications. 3.19.6.5 White [field distance
After applying various anti-active interference measures, the white [field distance of the radar shall be specified by product specifications. 14
3.19.6.6 Directional capability to interference sources
shall be specified by product specifications.
3.19.6.7 Suppression of co-frequency asynchronous interference capability SJ20581-96
When the ships are sailing in formation, the radar shall have the ability to suppress the strong co-frequency asynchronous pulse interference of the adjacent radar, and its specific indicators shall be specified by product specifications.
3.19.7 Ability to resist passive interference
3.19,7,1 Ability to resist background interference
3.19.7.1.1 Ability to resist sea wave clutter interferencea: The radar’s improvement factor for sea wave clutter interference (I*) is ≥20dB under sea conditions of level 4, unless otherwise specified: b. Under high sea conditions (such as sea conditions of level 5), after adopting anti-sea wave clutter interference measures, the distance for detecting the scanning mark is specified by the product specifications.
3.19.7.1.2 Capability to counter terrain interference
Unless otherwise specified, the radar’s improvement factor for interference from shore and island terrain clutter (I also) shall be ≥30dB on average with ship speed compensation.
3.19.7.1.3 Capability to counter meteorological interference
Unless otherwise specified, the radar’s improvement factor for interference from rain clutter shall have a lower limit of 15dB; the improvement factor for other meteorological interference shall be specified by the product specifications.
3.19.7.2 The ability to resist interference from foil strips, boxes, etc. must reach the improvement factor for interference from artificial passive clutter such as foil strips, boxes, etc. Unless otherwise specified, the lower limit is 20. 3.19.8 Antenna stabilization platform
3.19.8. 1 Working range of stabilization platform
a. Roll 22.5 (period 5~10s);
b, pitch 7.5 (period 5~7s).
3.19.8.2 Stabilization platform repeat accuracy
Pitch accuracy: not more than 1 (root mean square value): a.
b. Roll accuracy: not more than 1 (root mean square value). 3.19.9 Terminal equipment requirements
3.19.9.1 Display equipment
Type, specification, quantity and layout: specified by product specifications:.
b. Display content (primary/secondary video, time, batch number, angle, distance, navigation, speed, enemy and friend attributes, etc.): specified by product specifications.
c. True motion or relative motion display requirements, specified by product specifications. However, the ship's bow line mark signal must be available on the screen. 3.19.9.2 Data processing equipment
3.19.9.2.1 Point trace recording method and point trace processing capability a Point trace recording method: manual, automatic or fully automatic recording, specified by product specifications: 5. Point trace processing capability: unless otherwise specified, the lower limit is not less than 200 points per scan. 3.19.9.2.2 Track tracking
Specified by product specifications.
3.19.9.2.3 Output mode
Extended by product specifications,
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3.19.10 Interface requirements
3.19.10.1 Interface between radar and IFF SJ20581-96
According to the interface protocol, the radar should have the interface capabilities of radio frequency, visual range and antenna synchronization control adapted to the IFF. 3.19.10,2 Interface between radar and intelligence command system, etc. According to the interface protocol, the radar should have the physical interface capabilities of providing primary video to the intelligence command system, or providing target data information in the specified message format.
3.19.10.3 Other interfaces of radar
The interface requirements between radar and compass, azimuth level, speedometer, etc. shall be proposed by the ship on which the radar is installed and specified in the product specifications.
3.19.11 Reaction speed (required startup time) 3.19.11.1 Normal startup time: Unless otherwise specified, the normal startup time shall not exceed 10 minutes. 3.19.11.2 Emergency startup time: Unless otherwise specified, the emergency startup time shall not exceed 5 minutes. 3.19.11.3 Radar working mode conversion time: specified by the product specifications: 3.19.12 Power supply mode and capacity
3.19.12.1 The radar adopts the shipboard AC power supply, with a rated frequency of 50Hz; the rated voltage is three-phase 380V or single-phase 220V.
3.19.12.2 The radar should be able to withstand the voltage and frequency fluctuations of the ship power supply: a: voltage change: Ué% (U is the rated value); h, frequency change: "±50% (T is the rated value), 3.19.12.3 The power consumption of the radar shall be as specified in the product specifications. 3.19.13 Continuous working time
Unless otherwise specified, the continuous working time to be achieved is 24h, 3.20 Main technical performance
The main technical performance to be achieved shall be specified by the product specifications in accordance with the requirements of Chapter 4 of GJB403.2. 3.21 Environmental adaptability
3.21.1 High temperature
High temperature storage temperature: 70℃;
High temperature working temperature: 5U℃ inside the cabin; b.
60℃ outside the cabin.
3.21.2 Humidity and heat
The thermal environment conditions are selected from the product specifications in Table 1. Table 1 Humidity and heat environment conditions
Use place
Normal temperature and high humidity
High overflow and high mixing
3.21.3 Relative temperature
Low temperature storage temperature: -40℃;
Relative humidity
h. Low temperature T. Operating temperature: -10℃ inside the cabin; 6
Ambient temperature
30 = 5
60 = 5
3.21.4 Shock
SJ 2058 f -- 96
Outside the cabin is -30℃.
The radar should be able to withstand the impact environment conditions of the ship. The specific requirements are selected by the product specifications according to the provisions of Article 3.2.10 of GIB403.4.
3.21.5 Vibration
The radar should be able to withstand the various vibration environment conditions encountered by the ship. The specific requirements are selected by the product specifications according to the provisions of Article 3.2.9 of GJB403.4.
3.21.6 Impact
The radar shall be able to withstand various exposure conditions that the ship is subject to (such as repeated impact caused by waves, etc.). The specific requirements shall be selected by the product specification in accordance with the provisions of Article 3.2.8 of B403.4. 3.21.7 Tilt and Sway
The radar shall be able to withstand the environmental conditions of ship tilt and sway. The specific requirements shall be selected by the product specification in accordance with the provisions of Article 3.2.11 of GJB403.4.
3.21.8 Shower
The radar's exposure equipment shall have the ability to resist rain. The specific requirements shall be selected by the product specification in accordance with the provisions of Article 3.2.6 of GJB403.4.
3.21.9 Fungus
The radar shall have the ability to resist fungus corrosion. The specific requirements shall be specified by the product specification. 3.21.10 Salt Spray
The radar shall have the ability to resist salt spray corrosion. The specific requirements shall be specified by the product specification. 3.21.11 Icing
Radar antenna and other external equipment shall be able to withstand the ice load in an icing environment as specified by the product specifications. The transmission parts of antennas, etc. shall be equipped with antifreeze protection covers or heating devices. 3.21.12 Solar radiation
Antenna and other equipment installed in the open air shall have the ability to withstand the thermal and photochemical effects of solar radiation. The specific requirements shall be specified in the product specifications.
3.21.13 Wind resistance
The radar antenna system shall be able to operate normally at a relative wind speed of 40m/s; the structure shall not be damaged at a relative wind speed of 54m/s. 3.21.14 Explosive atmospheric pressure and water pressure
The radar shall be able to withstand the environmental conditions of explosive atmospheric pressure and water pressure. The specific requirements shall be specified in the product specifications. 4 Quality assurance provisions
4.1 Inspection responsibilities
Except as otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. When necessary, the ordering party or the higher authority has the right to inspect any of the inspection items described in this specification. 4.1.1 Responsibility for Conformity All products must comply with all requirements of Chapters 3 and 5 of this specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality assurance system. If the contract includes test requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products. —7-
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4.2 Inspection categories Inspection categories specified in this specification: a, identification inspection; b. Quality consistency inspection.
4.3 Inspection conditions Equipment must be complete;
SI 2058196
b, each extension (or subsystem) has been inspected and qualified: c. The power supply used in the test shall comply with the provisions of Article 3.19.12 of this specification: The environmental conditions for the inspection and the instrumentation used for the inspection shall comply with the provisions of Article 3.2 of GIB 403.8. d.
4.4 Identification inspection
Identification inspection shall generally be carried out in the following circumstances: When the design or production is finalized:
b. When the product is resumed after a long period of suspension: c: When there are major changes in product design, manufacturing process, key components and materials that may affect product performance. 4.4.1 Number of samples
The inspection samples shall be randomly selected from the products that have passed the inspection of Group A in the identification batch, and the number of samples is generally 1 unit. 4.4.2 Inspection items and sequence
See Table 2 for the identification inspection items: The inspection sequence shall be carried out in accordance with Article 4.2.1 of GJB403.8 or the provisions of the product specification. 4.4.3 Handling of defects in the test
According to the provisions of Article 5.1.5 of GJR 403.8. 4.4.4 Maintenance of qualification
The contractor shall submit test data regularly, and the submission frequency shall be specified by the product specification. 4.5 Quality-Conformity Inspection
4.5.1 Inspection Grouping
Quality-Conformity Inspection is divided into:
Group A Inspection:
Group C Inspection.
4.5.2 Group A Inspection
Check whether the relevant performance specified by the product specification in the batch production meets the specified requirements. 4.5.2.1 Sampling PlanwwW.bzxz.Net
All radars produced in batches or individually have passed 100% of the Group A inspection. 4.5.2.2 Inspection items and sequence
A group inspection items are shown in Table 2; the inspection sequence shall be carried out in accordance with Article 4.2.2 of 403.8 or in accordance with the provisions of the product specification. 4.5.2.3 Qualification criteria
Carry out in accordance with Articles 5.2.3 and 5.2.7 of GJB 403.8; 4.5.2.4 Re-inspection
Carry out in accordance with Article 5.2.8 of GJB 403.8. 4.5.3C group inspection
Check whether the performance is continuously stable under the specified environmental conditions. 4.5.3.1 Inspection items and sequence
SJ 20581—96
Group C inspection items are shown in Table 2: Inspection sequence shall be in accordance with Table 4 of Article 4.1.2 of GIB403.4 and the provisions of product specifications: \ Operation inspection\ Time shall be in accordance with Article 5.3.6 of GJB403.8 (selected from 12 to 36 hours) or the provisions of product specifications.
4.5.3.2 Inspection cycle
In principle, it shall be conducted once for each production batch or specified in the order contract. 4.5.3.3 Sampling plan
The samples for Group C inspection shall be randomly selected from the products that have passed the Group A inspection; the number of samples is generally 1 unit or determined by negotiation between the ordering party and the contractor.
4.5.3.4 Qualification criteria
If all inspection items meet the requirements of product specifications, the batch of products shall be judged to have passed the Group C inspection. 4.5.3.5 Re-inspection
Perform according to the provisions of Article 5.3.7 of GJB 403.8. 4.5.3.6 Sample handling
For samples inspected by Group C, the contractor shall be responsible for repairing and replacing short-life components and components that are damaged during the test and re-inspected by Group A. They can be delivered as part of the original batch according to the contract: If there are special requirements for the handling of samples inspected by Group (), they should be clearly stated in the product order contract or product specifications. 4.6 Packaging inspection
The inspection regulations for the factory packaging of radars shall be carried out in accordance with the provisions of Chapter 9 of GIB403.9. 4.7 Acceptance, rejection and handling of disagreements of opinion The acceptance and rejection of products retained after various inspections shall be carried out in accordance with GJB403.8. Table 2 Inspection items and methods
Reliability
Inspection items
Materials, components
: Design
Standard parts
Maintainability
Logical performance
Human factors
Safety
Nuclear aggravation
Components
Electromagnetic compatibility
Dimensions, weight
Color and surface condition
Technical requirements
Chapter number
Test method
Chapter number
Quality consistency inspection
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Inspection items
Product logo and code
Appearance quality
Working frequency and frequency bandwidth
Search distance
Search accuracy
Monthly standard resolution
Anti-active interference capability
Anti-passive interference capability
Antenna stabilization platform
Terminal equipment requirements
Interface requirements
Response speed
Power supply mode and penetration
Continuous working time
Main technical performance
Tilt. swing
Solar radiation
Explosive atmospheric pressure and water pressure
Land test
Sea test
SJ 20581-96
Continued Table 2
Technical requirements
Chapter number
Test method
Chapter number
4. 2. 17.6
4.2.17, 10
4.2. 17.1
4.2.17.12
4.2. 17. 13
4.2.19.10
4.2.19.11
4.2.19.12
4.2.19.13
4.2.19.14
Quality consistency inspection
SJ 20581—96
method; the symbol \O\ in the table indicates a mandatory item; \△\ indicates an optional item, and \一" indicates an undo item. 4.8 Inspection method
4.8.1 Reliability test
The radar reliability identification test shall be carried out in accordance with the provisions of GJB899. This specification recommends the following test schemes: When the reliability design capability is high, a short-time high-risk test scheme can be adopted, that is, Scheme No. 21 in Table A4 of GJB899, with a test time of 1.16 and a number of failures for the acceptance criterion of 0:1. When the reliability index is not very high, a short-time test scheme with a medium discrimination ratio can be adopted, that is, Scheme No. 20 in Table ^4 of GJB899, with a test time of 3.701 and a number of failures for the acceptance criterion of less than or equal to 2. 4.8.2 Inspection of materials and components
Take any whole, part, or component and conduct a trace inspection on the materials and components used in it according to the technical requirements. 4.8.3 Design inspection
According to the requirements of Article 3.5, review the design documents and drawings, and check them against the actual objects. 4.8.4 Structural inspection
According to the requirements of Article 3.6, check or operate the object. 4.8.5 Standard carving inspection
According to the requirements of Article 3.7, check the object: For assembly parts, printed boards, modules, etc. with interchangeability requirements, interchange them with corresponding spare parts, and perform operation inspection after interchange: On site (adjustable parts can work normally after slight adjustment. 4.8.6 Maintainability test
4.8.6.1 Maintainability test
The maintainability test method shall be carried out in accordance with the provisions of Chapters 2 and 3 of GJR368.5. 4.8.6.2 Machine The internal inspection (RIT) function test is carried out in accordance with the provisions of GJz20045.
4.8.7 Transportability inspection
After inspecting the object with a length and weight measuring device, the "sports car\ test assessment" is carried out in accordance with the requirements of Article 3.9. 4.8.8 Human factor inspection
According to the requirements of Article 3.10, the design review is carried out and the operation and monthly measurement method inspection is carried out on site in comparison with the actual object. 4.8.9 Safety inspection
According to the requirements of Article 3.11, 4.8.10 Nuclear reinforcement inspection
According to the requirements of Article 3.12, conduct on-site inspections against design documents and actual objects. 4.8.11 Component inspection
According to the requirements of Article 3.13, conduct measurements and inspections against actual objects using necessary measuring tools and instruments or Sichuan and Japanese measurement methods. 4.8.12 Electromagnetic compatibility
4.8.12.1 Electromagnetic compatibility review
According to product specifications Conduct electromagnetic compatibility design review according to the standard to assess whether it meets the requirements. 4.8.12.2 Electromagnetic compatibility test
The electromagnetic compatibility test method shall be carried out in accordance with the provisions of Appendix A (reference part) of GJB403.7. 4.8.13 Dimension and weight inspection
Inspect the physical object by visual inspection or by measuring tools and scales that meet certain accuracy according to the requirements of Article 3.15. 4.8.14 Color and surface condition inspection
TTTKAONTKAca-12 Electromagnetic compatibility
4.8.12.1 Electromagnetic compatibility review
Evaluate the electromagnetic compatibility design according to the product specifications to determine whether it meets the requirements. 4.8.12.2 Electromagnetic compatibility test
The electromagnetic compatibility test method shall be carried out in accordance with the provisions of Appendix A (reference part) of GJB403.7. 4.8.13 Dimension and weight inspection
Inspect the physical object by visual inspection or by measuring tools and scales that meet certain accuracy according to the requirements of Article 3.15. 4.8.14 Color and surface condition inspection
TTTKAONTKAca-12 Electromagnetic compatibility
4.8.12.1 Electromagnetic compatibility review
Evaluate the electromagnetic compatibility design according to the product specifications to determine whether it meets the requirements. 4.8.12.2 Electromagnetic compatibility test
The electromagnetic compatibility test method shall be carried out in accordance with the provisions of Appendix A (reference part) of GJB403.7. 4.8.13 Dimension and weight inspection
Inspect the physical object by visual inspection or by measuring tools and scales that meet certain accuracy according to the requirements of Article 3.15. 4.8.14 Color and surface condition inspection
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