This specification specifies the general technical requirements, quality assurance regulations and delivery preparation of the ground-based unified S-band measurement and control system (hereinafter referred to as the USB system) for aerospace measurement and control. This specification is applicable to the ground-based unified S-band measurement and control system for satellite and spacecraft measurement and control, and is the basis for formulating the USB system product specification. Other measurement and control systems can refer to it. SJ 20774-2000 General Specification for Ground-based Unified S-band Measurement and Control System SJ20774-2000 Standard download decompression password: www.bzxz.net

Military Standard of the Electronic Industry of the People's Republic of China FL5820
SJ20774—2000
General specification for unified S-band (USBground tracking telemetry and command system system2000-10-20 release
2000-10-20 implementation
approved by the Ministry of Information Industry of the People's Republic of China 1 Scope·
1.1 Subject matter
1.2 Scope of application
1.3 Classification
2 Referenced documents ·
3 Requirements
3.1 Qualification
3.2 Reliability
3.3 Materials
3.4 ​​Design ·
3.5 Dimensions
3.6 Quality ·
3.7 Maintainability
3.8 Man-machine-environment systems engineering
3.9 Performance characteristics··
Safety
Electromagnetic compatibility
3.12 Environmental requirements
3.13 Color and Marking
Surface condition
3.15 Equipment logo and code
4 Quality assurance regulations
4.1 Inspection responsibility
Quality responsibility,
Inspection classification...
Inspection basis
4.5 Inspection conditions...
Equipment submission
Identification inspection
Quality consistency inspection
4.9 Packaging inspection
4.10 Inspection method
5 Delivery preparation,
6 Notes
6.1 Intended use
6.2 Contents of order documents
6.3 Definitions.
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General specification for ground-based unified S-band measurement and control system for the military standard of the People's Republic of China for the electronic industry specification for unified S-band (USB) ground tracking telemetry and command system 1 Scope
1.1 Subject content
SJ 20774—2000
This specification specifies the general technical requirements, quality assurance regulations and delivery preparation of the ground-based unified S-band tracking and control system (hereinafter referred to as LSB system) for aviation tracking and control. 1.2 Scope of application
This specification applies to the ground-based unified S-band tracking and control system for satellite and spacecraft tracking and control, and is the basis for formulating the IJSR system product specification. Other tracking and control systems can refer to it. 1.3 Classification
1.3.1 Classification by LSB system characteristics
1.3.1.1 Classification by the maximum distance (R)
aClass A: Earth orbit tracking and control R≤2×l0°kmb. Class B: Deep space tracking and control R≥2x10°knl
1.3.1.2 Classification by loading form
a, ground fixed station;
b. Mobile station: ship-borne station, vehicle-borne station.
1.3.2 Classification by system function
a. Standard tracking and control station;
Multifunctional tracking and control station.
1.3.3 Classification by tracking and control object
Satellite tracking and control station:
Manned spacecraft tracking and control station;
Missile tracking and control station;
d. Deep space probe tracking and control station.
2 Referenced Documents
GB/T6993—86 Reliability Procedures in the Development and Production of Systems and Equipment GJB74A—98 General Specifications for Military Ground Radar GJB152A—97 Electromagnetic Emission and Sensitivity Measurement of Military Equipment and Subsystems Ministry of Information Industry of the People's Republic of China 2000-10-20 Issued 2000-10-20 Implementation
SJ 20774—2000
GJB1924—94 Microwave System - Specifications for Measurement and Control Systems 3 Requirements
3.1 Qualification Appraisal
Products submitted in accordance with this specification shall be products that have been approved by the appraisal station or finalized. 3.2 Reliability
3.2.1 Reliability Design
Reliability design of USB system shall be carried out in accordance with the procedures of GB/T6993. 3.2.2 Mean Time Between Failures (MTBF)
shall comply with the provisions of Article 3.2.2 of GJB 1924 3.2.3 Availability (A)
shall comply with the provisions of Article 3.2.3 of GJB 1924 3.3 Materials
shall comply with the provisions of Article 3.3 of GJB 1924. 3.4 Design
shall comply with the provisions of Article 3.4 of GJB 1924. 3.5 Dimensions
shall comply with the provisions of Article 3.5 of GJB 1924. 3.6 Weight
shall comply with the provisions of Article 3.6 of GJB 1924. 3.7 Maintainability
shall comply with the provisions of Article 3.7 of GJB 1924. 3.8 Man-machine-environment system engineering
Should comply with the provisions of Article 3.8 of GJB 1924. 3.9 Performance characteristics
3.9.1 System uplink and downlink operating frequency bands and frequency point change step length (see Article 4.10.7.1) a. Uplink: 2025~2120MHz:
b. Downlink: 2200～2300MHz;
c. Frequency point change step length: 10Hz, 100Hz, 1kHz, 10kHz: 3. 9,2 System quality factor GT value (see Article 4,10.7,2) shall comply with the provisions of Article 3.9.2 of GJB1924, where the selected value shall comply with Table 1 Table 1
Antenna aperture
a. Selected value
3.9.3 Effective radiated power EIRP value (currently 4.10.7.3) 10
Should comply with the provisions of 3.9.3 of GJB1924, where P, is recommended to be selected according to Table 2. -2
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Antenna aperture
SJ 20774—2000
3.9.4 Carrier modulation (see 4.10.7.4) Should comply with the provisions of 3.9.4 of GJB 1924. 10
3.9.5 System uplink and downlink modulated carrier spectrum (see 4.10.7.5) 6
Uplink and downlink modulated carriers are defined as remote control subcarrier, telemetry subcarrier, ranging signal, and communication subcarrier. There should be no interference between the subcarriers.
3.9.6 Distance ambiguity resolution (see 4.10.7.6) shall comply with the provisions of 3.9.6 of GJB1924. 3.9.7 System capture performance [see 4.10.7.7] Under given conditions, the system completes the entire process of frequency capture, angle capture, two-way carrier capture, and distance capture in a given manner. The program must be accurate, and the capture time and success probability are specified by the product specification. 3.9,8 The threshold level at the input end of the receiving system (see 4.10.7.8) shall comply with the provisions of 3.9.8 of GJB 1924. 3.9.9 Antenna operating range (see 4.10.7.9) The antenna operating range is divided into the maximum motion range and the precision working range. Specific requirements are specified by the product specification. a. Motion range
Azimuth: unlimited;
Limited motion.
Pitch: -1～181°;
0°～90°
b. Working range for guaranteed accuracy
Azimuth: unlimited;
Limited motion.
Pitch: 59～70°.
3.9.10 System tracking performance (see 4.10.7.10) shall comply with the provisions of 3.9.10 of GJB1924. 3.9.11 System measurement accuracy (see 4.10.7.11) shall comply with the provisions of 3, 9, 11 of GJB1924. 3.10 Safety
shall comply with the provisions of 3.10 of GJB1924. 3.11 Electromagnetic compatibility
shall comply with the provisions of 3.11 of GJB1924. 3.12 Environmental requirements
3.12.1 Low temperature
SJ 20774—-2000
3.12.1.1 Ground fixed station equipment, see Table 3, Table 3
Place of use
Working temperature
Shipborne station equipment, see Table 4.
Place of use
3. 12. 1. 3
Working temperature, ℃
Vehicle-mounted station equipment, see Table 5.
Place of use
3. t2.2 High temperature
Working temperature
3.12.2.1 For ground fixed station equipment, see Table 6. For use in
3. 12.2. 2
Working temperature
For shipborne station equipment, see Table 7.
Place of use
Working temperature
Test time
Test time, h
Test room
Test time
Test time
Reverse storage temperature
Storage temperature, °℃
Storage temperature
Storage temperature
This storage temperature
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Test time
Test time, h
Test time
Test time
Test time
3.12.2.3 Vehicle-mounted station equipment, Table 8.
Convenient place
3.12.3 Linli
Working temperature
sJ20774--2000
Test time
Should comply with the provisions of Article 3.12.3 of GJB1924 3.12.4 Impact
Should comply with the provisions of Article 3.12.4 of GJB 1924 3.12.5 Vibration
3.12.5.1 Weekly station equipment and vehicle-mounted station equipment shall comply with the provisions of Article 3.12.5 of GJB1924. 3.12.5.2 Shipborne equipment
See Table 9,
Resonance check
Stability test
Environmental zoning
Main area
Bow and stern area
Main area
Bow and stern area
Main area
Bow and stern area
No resonance
3.12.6 Drifting
Shall comply with the requirements of Level 3 in GJB 1924. 3.12.7 Swing
Storage temperature
Test parameters
Displacement amplitude
0.25±0.05
1.4±0.14
0.6±0.06
0.6±0.06
1.630±0.43
0.6±0.06
[.0±0.01||tt ||0.6±0.06
2.5±0.25
0.6±0.06
1.630±0.43
0.6±0.06
0.6±0.06
Test time
Test time
5~6min each
15min for each forehead band
2 h at the resonance point
SJ 20774---2000
The shipborne station equipment shall maintain accuracy under grade 6 sea conditions (see Table 10): it shall not work in severe sea conditions, shall be fixed and not damaged, 3.12.8 Damp heat
It shall comply with the provisions of Article 3.12.8 of GJB 1924. Table 10
Sea state level 6 H3%=
cycle, S
Test duration
Note: H1 is the wave height.
3.12.9 Salt spray
At 4.75 m
Not less than 30 min
Shall comply with the provisions of Article 3.12,9 of GIB1924. 3.12.10 Mold
Shall comply with the provisions of Article 3.12.10 of GJB1924. 3.12.11 Icing/freezing rain
Shall comply with the provisions of Article 3.12.11 of GJB1924. 3.12.12 Solar radiation
Shall comply with the provisions of Article 3.12.12 of GJB1924. 3.12.13 Wind
Not less than
4 m and 4.75 m
Not less than
Not less than
a. Outdoor equipment of ground fixed station and vehicle-mounted station: 8-level wind (wind speed 17.220.7m/s) to ensure accuracy, 12-level wind (>32.6m/s) without damage:
b. Shipborne extravehicular equipment: 7-level wind (wind speed 13.9～17.1m/s) to ensure accuracy, 8-level wind to work normally, 12-level wind without damage.
3. 12. 14 Sand
Equipment should be able to withstand the attack of sand content of 0.5/m3. 3.12.15 Snow accumulation
No damage when the snow thickness is 180 mm.
3.12. 16 Low pressure
Ground equipment should be able to operate normally below 2000m above sea level. 3.13 Color and marking
Should comply with the provisions of Article 3.13 of G3B1924. 3.14 Surface condition
Should comply with the provisions of Article 3.14 of GJB 1924. 3.15 Equipment marking and code
Should comply with the provisions of Article 3.15 of GJB 1924. 4 Quality assurance provisions
4.1 Inspection responsibilitywwW.bzxz.Net
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SJ 20774—2000
Should comply with the provisions of Article 4.1 of GJB1924. 4.2 Qualification responsibility
shall comply with the provisions of Article 4.2 of GJB 1924: 4.3 Inspection classification
shall comply with the provisions of Article 4.3 of GJB 1924. 4.4 Inspection basis
shall comply with the provisions of Article 4.4 of GJB 1924. 4.5 Inspection conditions
shall comply with the provisions of Article 4.5 of GJB 1924. 4.6 Equipment submission
shall comply with the provisions of Article 4.6 of GJB 1924. 4.7 Appraisal inspection
4.7.1 Appraisal qualification maintenance
shall comply with the provisions of Article 4.7.1 of GJB 1924. 4.7.2 Inspection samples
shall comply with the provisions of Article 4.7.2 of GJB 1924. 4.7.3 Inspection items, sequence and methods
Unless otherwise specified, the identification inspection can generally be carried out according to the items, sequence and methods specified in Table 11. 4.7.4 Qualification criteria
If all inspection items comply with the product specifications or contract provisions, the identification inspection shall be deemed qualified. Table 11
Inspection items
Reliability design
Mean trouble-free interval time
Availability
Maintainability
Man-machine environment system engineering
System, downlink operating frequency band and rate point change step
System quality factor GT value
System effective radiated power EIRP value
Carrier modulation
System. Downlink modulated carrier spectrum
Quality consistency test
Group C|Group D
Chapter number
Test method
Method number
4.10.1.3
4.10.7.4.
Inspection items
Range ambiguity resolution
System capture performance*
Receiving system input threshold level
Antenna operating range
System tracking performance*
System measurement accuracy*
Safety
Electromagnetic compatibility
Icing/freezing rain
Solar radiation
Low pressure
Color and marking
Surface condition
Equipment marking and code
Packaging test
Note: “.”
SJ 20774--2000
Continued Table 11
Required inspection items: “○”
To be carried out at the site of use.
4.7.5 Re-inspection
Should comply with the provisions of Article 4.7.5 of GB 1924. 4.8 Quality consistency inspection
Should comply with the provisions of Article 4.8 of GB 1924. -8 -
Quality consistency inspection
Based on the items that need to be selected: “
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Chapter number
Inspection method
Chapter number
4.10.7.10
4.10.7.11
4.10.10.1
4.10.10.2
4. 10.10.3
4.10.10.4
4.10.10.5
4.10.10.6
4.10.10.7||tt ||4.10.10.8
4.10.10.9
4.10.10.10
4.10.10.11
4.10.10.12
4.10.10.13
4.10.10.14
4.10.10.15
4.10.10.16
Not selected as item date, “.\
4.9 Packaging inspection
SJ20774--2000
Should comply with the provisions of Article 4.9 of GJB 1924. 4.10 Inspection method
Should be carried out in accordance with the method specified in Article 4.10 of GJB 1924. 4.10.1 Reliability
Should be carried out in accordance with the method specified in Article 4.10.1 of GJB 1924. 4.10.2 Materials
Should be carried out in accordance with the method specified in Article 4.10.1 of GJB 1924. 1924 according to the method specified in Article 4.10.2. 4.10.3 Design
According to the method specified in Article 4.10.3 of GJB 1924. 4.10.4 Dimensions and weight
According to the method specified in Article 4.10.4 of GJB 1924. 4.10.5 Maintainability
According to the method specified in Article 4.10.5 of GJB 1924. 4.10.6 Man-machine-environment system engineering
According to the method specified in Article 4.10.6 of GJB 1924. 4.10.7 Performance characteristics
4.10.7.1 System uplink and downlink operating frequency bands and frequency point change step size 4.10.7.1.1 Test principles and requirements
Should comply with Article 4.10.7.1 of GJB 1924 4.10.7.1.2 Test equipment
a. Frequency meter:
b. Spectrum analyzer.
4.10.7.1.3 Test system
See Figure 1 for the test system diagram.
Transmitter
Signal source
High frequency receiver
Frequency meter
Frequency meter
Spectrum analyzer
Figure 1 Test system diagram for uplink and downlink operating frequency bands and frequency point change steps 4.10.7.1.4 Test procedure
a. The equipment under test and the test instrument are connected according to the test system diagram: b. When measuring the uplink frequency point, set the frequency converter I of the transmitter to the required signal frequency point, read the frequency value with the frequency meter, and record the test value;
c. When measuring the downlink frequency point, keep the input amplitude of the high frequency receiver unchanged, set the signal source to the required frequency point, -9 -
SJ20774-2000
Change the down-converter local oscillator frequency at the same time, and use the spectrum analyzer to test the intermediate frequency signal output by the down-converter. The intermediate frequency should remain unchanged.
4.10.7.1.5 Test record
Uplink frequency band, frequency point and step length test, the test results are recorded in Table 12: a.
Measured frequency
Downlink frequency band, frequency point and step length test, the test results are recorded in Table 13; Table 13
Measured intermediate frequency
Conclusion:
Tester:
Test date:
f. Ambient temperature:
Witness.
4. 10. 7.2 System quality factor G/T value 4.10.7.2.1 Equipment under test
Antenna, feed source and receiving subsystem,
4.10.7.2.2 Test principle
The test principle system diagram is shown in Figure 2. The signal-to-noise power spectrum density ratio S/ at the output of the high-frequency receiver is measured by a spectrum analyzer. The G/T value can be calculated by formula (1). 4.10.7.2.3 Test equipment
Spectrum analyzer;
Microwave signal source;
Microwave precision attenuator (variable);
Calibrated line (gain G) and feed line (loss L). 4.10.7.2.4 Test procedure
Connect the test system according to Figure 2;
Connect the spectrum analyzer to the output of the high-frequency receiver: - 10 -
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