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引用本文：

温东,姜波,刘翠海.超低频通信中海洋补偿滤波器设计[J].电讯技术，2013，53（1）： - . [点击复制]
WEN Dong,JIANG Bo,LIU Cui-hai.Design of ocean compensation filter for super low frequency(SLF) communication[J].，2013，53（1）： - . [点击复制]

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超低频通信中海洋补偿滤波器设计
温东,姜波,刘翠海
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摘要:

分析了超低频接收机中海洋补偿滤波器的作用，分别采用1零点1极点、2零点1极点无限脉冲响应滤波器设计超低频海洋补偿滤波器，零点和极点通过数值计算得到。分析结果表明：在20～200 Hz频段内，实现的滤波器可以很好地逼近理论的海洋补偿滤波器；在 0～130 m范围内，实现的2零点1极点滤波器可以将幅度响应误差控制在1 dB左右，能满足超低频接收机的设计要求。

关键词: 超低频接收机脉冲噪声无限脉冲响应滤波器海洋补偿滤波器

DOI：

基金项目:国防预研基金项目

Design of ocean compensation filter for super low frequency(SLF) communication

WEN Dong,JIANG Bo,LIU Cui-hai

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Abstract:

This paper discusses the role of ocean compensation filter in Super Low Frequenc y(SLF) receive r and the design of the ocean compensation filter for SLF communication by bo th Infinite Impulse Response(IIR) filter with one zero and one pole, and IIR fil ter with two zeros and one pole. The zeros and poles are determined numerically. Calculation results show t hat the implemented filters can well approximate the magnitude of frequency resp onse of the theoretical ocean compensation filter over 20～200 Hz. The imple mented IIR filter with two zeros and one pole maintains the amplitude error less 1 dB for 0～130 m depth. It can meet the design requirements of SLF r eceiver.

Key words: super low frequency(SLF) receiver impulse noise infinite impulse response(IIR) f ilter ocean compensation filter