5 Result(s)
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Chapter and Conference Paper
Parameters Estimation Method for LFM Interference to GNSS Uplink Injection
Satellite navigation system has been widely used in military and civilian realms in the world. As applications of satellite communication and radar increases, the electromagnetic environment becomes more and m...
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Chapter and Conference Paper
Study on Identification Parameters and Updating Mechanism of Beidou Navigation Message
In the application of high-precision satellite navigation and positioning, differential GNSS positioning technology is used to eliminate the influence of various errors in order to improve the performance of p...
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Chapter and Conference Paper
Test System for BDS User Terminal Based on RF Replay Apparatus
RF signal of traditional real road test system for BDS user terminal is usually unrepeatable while the system is complex and expensive. In this paper, an economic and signal-replicable BDS user terminal test s...
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Chapter and Conference Paper
Research on the BDS Inter-Satellite-Type Carrier Phase Bias Introduced by Different NH Code Sign Conventions
As for D1 NAV message broadcast by BDS MEO/IGSO satellites, a secondary code of Neumann-Hoffman (NH) code with length of 20 bits is modulated on ranging code. However, the secondary coding are not implemented ...
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Chapter and Conference Paper
Navigation Technology Research on GNSS Loop Structure Aided by Acoustic MEMS IMU
In order to improve the reliability of MEMS IMU application and the accuracy of integration navigation in high jerk environment, an acoustic MEMS Gyro was researched, the result show that the planar IC structu...
