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Model: PNT2003APNT Software includes Keysight (formerly Spirent) simulation tools such as SimGEN and SimXTRACT.
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SimINERTIAL
SimINERTIAL enables lab-based performance testing of integrated GNSS/INS by emulating inertial sensor outputs coherent with simulated GNSS RF signals.
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Compatible hardware
PNT X
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Use cases
Inertial Navigation and Sensor Emulation
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Highlights
SimINERTIAL emulates inertial sensor outputs — accelerometers, gyroscopes, and barometric altitude — and delivers precisely timestamped data to the device under test via a dedicated physical interface. All inertial data is tightly synchronized with the GNSS RF signal for realistic sensor fusion testing.
Simulation applications
- Design and debug sensor fusion algorithms with post-processing analysis
- Test loosely and tightly coupled GNSS/INS performance during signal outages
- Validate reacquisition capability and positional accuracy after outages
Supported interfaces
- Honeywell Nav100, HG-1700 (SDLC and AMRAAM), and HG-9900 families
- Northrop Grumman LN200, LN260, LN250/251, and LN100G
- AIS SilMU02 and SiNAV
- NATO STANAG 4572
This list is not comprehensive. Contact us for the full list of supported interfaces.
Inertial error modeling
- Simulate static and dynamic biases per individual sensor
- Apply scale factors, cross-coupling, and misalignment errors
- Model angular random walk (ARW) for gyroscopes and velocity random walk (VRW) for accelerometers
- Introduce temperature and vibration error profiles
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