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A novel low complexity time-of arrival (TOA) estimation method is presented in this paper. This method achieves a precise TOA estimation under low SNR condition for unknown intra-pulse modulated signal, especially for frequency modulated pulse. Firstly, delayed conjugate multiplication is employed to reduce the intra-pulse modulation as well as estimate the rough range of received pulse. Then, in...
This paper presents a novel low complexity time-of arrival (TOA) estimation method for unknown intra-pulse modulated signal under low SNR condition. The received signal is firstly pre-processed by delayed conjugate multiplication to reduce the intra-pulse modulation and get a rough range of the signal. Then a novel intra-pulse correlation accumulation method is applied to achieve a precise estimation...
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