Multi-constellation, full-band GNSS signal simulation enables accurate and reliable testing and accelerates technological breakthroughs and innovations
The NSS8900 series satellite navigation constellation simulator is a GNSS multi-frequency simulator designed for the design, development, production, testing, certification and fault diagnosis of various satellite navigation terminal products. Support the BDS/GPS/GLONASS/GAlileo/SBAS/NAVIC/QZSS system full frequency signals with beidou non-public publicly, and the differential signal, signal simulation used to derivative according to or cheating
The NSS8900 satellite navigation constellation simulator can simulate complex signal test scenarios. According to different test requirements, constellation, signal, anomaly and carrier model parameters can be configured to realize the simulation of weak signal environment, high dynamic environment, outer space environment, interference environment and special events. To help the industry engaged in GNSS technology research developers to solve various complex scenarios of testing problems.
多星座、全频段GNSS信号模拟，实现精确、可靠的测试，加快推进技术突破与创新
The scripted editing ability of the testing plan planning function and testing process allows users to plan and design the testing plan according to the testing requirements before the experiment, and edit the testing process. Users can manage and configure the testing scenarios and processes according to the testing needs of different receivers and different testing tasks and objectives, and use them as different testing templates.
Perform manual or batch Test automation based on test scenarios and test processes, and have one click Test automation function for user terminal technical indicators.
After each test project is completed, it can automatically analyze and evaluate the test data and generate test reports, with the function of automatic analysis and evaluation of user terminal technical indicators.
Multiple testing and evaluation modes are available, including automatic, manual, and single mode.
Real time analysis and evaluation of test data, capable of analyzing and comparing test data in real time, completing functional and performance indicators such as pseudo range measurement accuracy, positioning accuracy, channel consistency, bit error rate, etc., and automatically generating data processing reports.
The real-time analysis and evaluation function of test data allows for knowing the statistical results of indicators without waiting until the end of the test, facilitating the timely termination of problematic receiver tests and saving testing time.
Comprehensive display function: It can comprehensively display various information such as work status, simulation scenarios, positioning results, data processing reports, etc. in various forms such as data, tables, graphics, etc.
Database management function, which can automatically classify, store, query, and count simulation and test data, and has automatic data storage and retrieval functions.
Equipped with automatic evaluation of test results and automatic generation, printing, and export of test reports.多星座、全频段GNSS信号模拟，实现精确、可靠的测试，加快推进技术突破与创新
| 星座模拟能力 | |||
| 系统星座 | 频段 | 公开信号分量 | 非公开信号分量 |
| BDS | B1 |
B1I、B1C、BDSBAS_B1C |
B1频段非公开信号 |
| B2 |
B2I、B2a、B2b、BDSBAS_B2a、PPP_B2b |
B2频段非公开信号 |
|
| B3 |
B3I |
B3频段非公开信号 |
|
| GPS |
L1 |
L1CA、L1P、L1C |
|
|
L2 |
L2C、L2CA、L2P |
|
|
|
L5 |
L5I、L5Q |
|
|
| GLONASS | L1 |
L1CA、L1OC |
|
| L2 |
L2CA |
|
|
| L3 |
L3OC |
|
|
| Galileo | E1 |
E1B、E1C |
|
| E5 |
E5a、E5b |
|
|
| QZSS | L1 |
L1CA、L1C |
|
| L2 |
L2 |
|
|
| L5 |
L5 |
|
|
| NAVIC | L5 | L5 |
|
| SBAS |
WAAS、EGNOS、MSAS、GAGAN、BDSBAS |
||
| 仿真信号规模 | |
| 卫星通道数量 |
BDS/GPS/GLONASS/Galileo星座卫星每频点不少于16个通道 |
| 多径信号数量 |
BDS/GPS/GLONASS/Galileo星座卫星每频点不少于4路多径 |
| 信号精度 | |
| 伪距精度 |
≤0.03m |
| 伪距变化率精度 |
≤0.003m/s |
| 通道一致性 |
≤0.3ns |
| 信号动态 | |
| 仿真高程 |
≥8000Km |
| 相对速度 |
≥120000m/s |
| 相对加速度 |
≥8000m/s2 |
| 相对加加速度 |
≥10000m/s3 |
| 外部轨迹实时性 | |
| 信号延迟 |
≤5ms |
| 数据更新率 |
≤1000Hz |
| 信号质量 | |
| 杂波抑制 |
≤-50dBc |
| 谐波抑制 |
≤-40dBc |
| 信号电平 | |
| 电平调节范围 |
-150dBm~-20dBm |
| 电平调节步进 |
0.2dB |
| 物理和电气性能 | |
| 整机尺寸 |
标准4U高度19英寸上架机箱，≤560mm×485mm×185mm（L×W×H) |
| 整机重量 |
≤25kg |
| 电源、功耗 |
220V交流（频率50/60Hz）、≤500W |
PNT测试领域的最佳选择，全套实景建模与复杂环境模拟能力，半实物仿真实时性高达1ms。
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