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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、全頻段GNSS信號模擬，實現(xiàn)精確、可靠的測試，加快推進(jìn)技術(shù)突破與創(chuàng)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、全頻段GNSS信號模擬，實現(xiàn)精確、可靠的測試，加快推進(jìn)技術(shù)突破與創(chuàng)新
| 星座模擬能力 | |||
| 系統(tǒng)星座 | 頻段 | 公開信號分量 | 非公開信號分量 |
| BDS | B1 |
B1I、B1C、BDSBAS_B1C |
B1頻段非公開信號 |
| B2 |
B2I、B2a、B2b、BDSBAS_B2a、PPP_B2b |
B2頻段非公開信號 |
|
| B3 |
B3I |
B3頻段非公開信號 |
|
| 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 |
||
| 仿真信號規(guī)模 | |
| 衛(wèi)星通道數(shù)量 |
BDS/GPS/GLONASS/Galileo星座衛(wèi)星每頻點不少于16個通道 |
| 多徑信號數(shù)量 |
BDS/GPS/GLONASS/Galileo星座衛(wèi)星每頻點不少于4路多徑 |
| 信號精度 | |
| 偽距精度 |
≤0.03m |
| 偽距變化率精度 |
≤0.003m/s |
| 通道一致性 |
≤0.3ns |
| 信號動態(tài) | |
| 仿真高程 |
≥8000Km |
| 相對速度 |
≥120000m/s |
| 相對加速度 |
≥8000m/s2 |
| 相對加加速度 |
≥10000m/s3 |
| 外部軌跡實時性 | |
| 信號延遲 |
≤5ms |
| 數(shù)據(jù)更新率 |
≤1000Hz |
| 信號質(zhì)量 | |
| 雜波抑制 |
≤-50dBc |
| 諧波抑制 |
≤-40dBc |
| 信號電平 | |
| 電平調(diào)節(jié)范圍 |
-150dBm~-20dBm |
| 電平調(diào)節(jié)步進(jìn) |
0.2dB |
| 物理和電氣性能 | |
| 整機尺寸 |
標(biāo)準(zhǔn)4U高度19英寸上架機箱，≤560mm×485mm×185mm（L×W×H) |
| 整機重量 |
≤25kg |
| 電源、功耗 |
220V交流（頻率50/60Hz）、≤500W |
PNT測試領(lǐng)域的最佳選擇，全套實景建模與復(fù)雜環(huán)境模擬能力，半實物仿真實時性高達(dá)1ms。
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