Abstract

This paper introduces a chip waveform distortion model of satellite navigation signal in time domain that is adopted by ICAO, and then proposes a FPGA implementation method with which three categories of chip waveform distortion of navigation signal in time domain are modeled. A comparison is made between the MATLAB simulation result and the FPGA implementation result of the chip waveform distortion after they are given. The test results show that their spectrums are in agreement in time domain waveform and frequency domain. Keywords-satellite navigation; signal distortion; waveform distortion in time domain;ICAO threat model

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