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Alternative TitleStudy of narrowband filter for acoustic signal
冀大雄; 陈孝桢; 封锡盛; 刘健
Source Publication仪器仪表学报
Indexed ByEI
EI Accession number20064210187486
Contribution Rank1
Keyword窄带滤波 匹配滤波 抗噪声 低功耗
Other AbstractA narrowband filter(NF) for receiving the CW pulse in the water under colored noise is studied. The NF realizes matching filtering under colored noise by a whitening filter which changes colored noise into the white noise. The NF circuit has excellent capabilities of narrowband filtering, anti-interfering, and low power. In its present form, it can be used to solve many problems of underwater acoustic system, such as small frequency interval, slight signal, easily interfered by noise, short work hours and so on. In addition, the receiver on the basis of this method is simple, stable, and detects slight signal very well. The experiment results indicated that this method can cancel the interference and defects the signal even if SNR is decreased to- 14dB.
Document Type期刊论文
Corresponding Author冀大雄
Recommended Citation
GB/T 7714
冀大雄,陈孝桢,封锡盛,等. 水声信号的窄带滤波研究[J]. 仪器仪表学报,2006,27(S2):1351-1352,1357.
APA 冀大雄,陈孝桢,封锡盛,&刘健.(2006).水声信号的窄带滤波研究.仪器仪表学报,27(S2),1351-1352,1357.
MLA 冀大雄,et al."水声信号的窄带滤波研究".仪器仪表学报 27.S2(2006):1351-1352,1357.
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