GB/T 39399-2020 in English
VALIDGeneral specification for BeiDou navigation satellite system geodetic receiver
- Issued on:2020-11-19
- Implemented on:2021-06-01
- File Format:PDF
- Delivery:Via email within 5 business days
$388.00
《GB/T 39399-2020北斗卫星导航系统测量型接收机通用规范》由TC544（全国北斗卫星导航标准化技术委员会）归口，主管部门为中央军委装备发展部。
Introduction
Core Technical Requirements of the Standard
| Technical Indicators | Static Measurement | RTK Measurement |
|---|---|---|
| Horizontal Accuracy | (5+0.5D)mm | (20+1.0D)mm |
| Vertical Accuracy | (10+0.5D)mm | (30+1.0D)mm |
| Initialization Time | - | ≤20s |
Signal Reception Performance Analysis
The standard requires that the receiver must support B1I/B1C/B2I/B2a/B3I and other Beidou signal frequencies, capture sensitivity must be ≤-133dBm, and tracking sensitivity must be ≤-136dBm. Multi-mode and multi-frequency receivers should support GPS, GLONASS and GALILEO systems at the same time.
Time characteristic requirements
- Cold start positioning time: ≤120s (signal level -128dBm)
- Warm start positioning time: ≤60s
- Hot start positioning time: ≤20s
Key test methods
Internal noise test
Connect the same antenna through a multi-channel power splitter, and the 30-minute static observation baseline solution length should be ≤1mm. Antenna host integrated equipment needs to be tested using a signal repeater.
Environmental adaptability verification
| Test items | Conditions | Duration |
|---|---|---|
| Working temperature | -25℃~50℃ | 16 hours |
| Vibration test | 2-500Hz | 30 minutes |
Standard implementation recommendations
- Manufacturers should establish a full-process quality control system, focusing on monitoring the antenna phase center consistency (≤2.5mm) and 1PPS stability (≤50ns)
- It is recommended to adopt a three-stage verification method: laboratory simulation test → standard baseline field verification → actual engineering application test
- For key indicators such as RTK initialization time, 10 sets of repeated tests are required at different baseline lengths (≤8km)
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