摘要
介绍了一种多用途水声信号预处理机的具体设计,详细阐述了各模块电路的设计原理及工程实现,给出了部分电路的原理图。实验结果表明,所研制的预处理机的各项参数都达到了预期设计要求,具有低噪声、高增益、大动态范围和滤波可编程的特点,在教学和科研实验中取得了满意的应用效果。
A design of a multi-purpose hydro-acoustic signal preprocessor is introduced. A detail expatiation of the design principle and engineering realization of the modular circuits are given. A partial of the schematic diagram is presented. The results of the test show that the preprocessor has the characteristics of low noise, high gain, wide dynamic range and programmable filter. A satisfied application in the experiments of teaching and scientific research is given.
出处
《电声技术》
2009年第4期37-40,共4页
Audio Engineering
