The Study on Parameters Extraction of Pseudo Code Phase Modulation-Carry Frequency Modulation Combined Fuse Signal Based on the Adaptive Window Length WD Analysis
Li Ming-zi; Zhao Hui-chang
Department of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology,
]Nanjing 210094, China
Abstract:The theory and its implementation on the adaptive window length in the analysis of time frequency are presented in this paper. This method is used to analysis the in-pulse characteristics of pseudo-code fuse signals such as Pseudo-Code Phase Modulation (PCPM), pseudo-code phase modulation combined by Sinusoid Frequency Modulation (SFM) and pseudo-code phase modulation combined by Linear Frequency Modulation (LFM). The simulation result shows that both the characteristic of carry frequency modulation and phase changed position caused by the pseudo-code can be extracted effectively in SNR=10dB.
李明孜;赵惠昌. 基于自适应窗长WD分析的伪码调相-载波调频复合引信信号的参数提取研究[J]. 电子与信息学报, 2007, 29(9): 2086-2089 .
Li Ming-zi; Zhao Hui-chang. The Study on Parameters Extraction of Pseudo Code Phase Modulation-Carry Frequency Modulation Combined Fuse Signal Based on the Adaptive Window Length WD Analysis. , 2007, 29(9): 2086-2089 .