| 一种大动态水下声信号的调理方法 |
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| 引用本文： | 方志来,王宇,蒋蜀革,王砚方.一种大动态水下声信号的调理方法[J].系统工程与电子技术,1999,21(4). |
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| 作者姓名： | 方志来 王宇 蒋蜀革 王砚方 |
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| 作者单位： | 中国科学技术大学近代物理系,合肥,230027 |
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| 摘 要： | 本文介绍了在海洋噪声背景下对大动态小信号进行调理的一种方法，并对动态增益控制、滤波和抗干扰进行了说明。调试结果表明，这种调理方法大大提高了信噪比。
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| 关 键 词： | 滤波器，增益，信噪比，干扰 |
A Method to Condition Wide-Range-Dynamic Audio Signal |
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| Fang Zhilai,Wang Yu,Jiang Shuge,Wang Yanfang.A Method to Condition Wide-Range-Dynamic Audio Signal[J].System Engineering and Electronics,1999,21(4). |
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| Authors: | Fang Zhilai Wang Yu Jiang Shuge Wang Yanfang |
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| Abstract: | A method to condition widerangedynamic small signal under a strong noise background is described. Then the dynamic gain control, filter and resistance to interference are all introduced. The debug results show that the method improves the SNR greatly. |
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| Keywords: | SNR Gain control Butterworth Switchedcapacitor filter Interference |
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