Detection and Localization Method of Pulse Sequence Using-Wavelet Transform-Based Coherent Edge Detector

Abstract

Abstract: This paper focuses on investigating efficient detection and localization of pulse signals in radarcommunication coexistence systems using wavelet transforms (WT). Based on the properties that the WT coefficients due to edge signals are highly correlated in the region of support (RoS) of wavelet filters while those due to noise do not, this paper presents a WT-based coherent edge detector which generates its decision statistics by integrating the autocorrelation of the WT coefficients in the RoS of wavelet filters, and theoretically analyzes its statistical properties. Based on this WT-based coherent edge detector, an efficient pulse detection and localization algorithm is proposed. Finally, simulations are carried out to illustrate the performance of the proposed pulse detection and localization algorithm.

Key words: pulse signal, coherent detection, edge detection, wavelet transform

CLC Number:

TN 911.72

YI Hui-Yue. Detection and Localization Method of Pulse Sequence Using-Wavelet Transform-Based Coherent Edge Detector[J]. Journal of Shanghai Jiaotong University, 2012, 46(06): 916-920.

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