Title :
Pseudo-Random Code Phase Modulation and LFM Combined Pulse Trains Ranging System
Author :
Gang, Xiong ; Yang xiao-niu ; Hui-Chang, Zhao
Author_Institution :
Res. Inst. of CETC, Jiaxing
Abstract :
A new combined signal-pseudo-random binary-phase code phase modulation and LFM combined pulse trains signal is proposed, and the frequency spectrum function, the ambiguity function and the range correlation function are deduced. The working principle of combined ranging system is illustrated in detail and the formula of signals in each stage is deduced and the Doppler signal and it´s effect on the correlation output of combined ranging system is analyzed. Finally, the resolution, ambiguity characteristics and the range cut-off characteristic are studied. Research shows that the new combined ranging system is feasible and has advantageous performance
Keywords :
Doppler effect; binary codes; correlation methods; modulation coding; phase coding; phase modulation; radar signal processing; random sequences; spectral analysis; Doppler signal; LFM combined pulse train; ambiguity function; combined ranging system; frequency spectrum function; pseudorandom binary-phase code phase modulation; range correlation function; Chirp modulation; Frequency shift keying; Modulation coding; Phase modulation; Pulse measurements; Pulse modulation; Signal analysis; Signal processing; Signal resolution; Space vector pulse width modulation; Autocorrelation Function; LFM; Phase modulation; Pseudo-random Code; Radar; Ranging System;
Conference_Titel :
ITS Telecommunications Proceedings, 2006 6th International Conference on
Conference_Location :
Chengdu
Print_ISBN :
0-7803-9587-5
Electronic_ISBN :
0-7803-9587-5
DOI :
10.1109/ITST.2006.288801
