数字锁相放大算法MATLAB仿真平台的设计与实现  

Design and Realization of a MATLAB Simulating Platform for Digital Lock in Amplifier's Algorithm

作　　者：李龙华[1] 梁天翼[1] 贾芸芳[1] 

机构地区：[1]南开大学信息技术科学学院,天津300071

出　　处：《微电子学与计算机》2013年第9期42-45,共4页Microelectronics & Computer

基　　金：天津市应用基础及前沿技术研究计划(12JCZDJC22400)

摘　　要：数字锁相放大(DLIA,Digital Lock In Amplifier)技术是信号分析和处理中的常用方法之一.本文在DLIA基本原理及算法的基础上,利用MATLAB开发环境,设计了基于MATLAB的DLIA算法仿真分析平台,实现了DLIA算法的仿真.本文DLIA仿真分析平台可对DLIA算法中的关键参数设置进行综合评估,并对用户所设置算法及参数的适用性进行分析,较好地满足信号处理算法设计的需要,具有很强的实用性.Digital lock--in amplifier （DLIA） technology is one of the popular methods in signal analysis and processing. According to the principles and algorithms of DLIA, a simulation and analyzing platform for DLIA design was proposed in this work by the use of MATLAB. In this work, the calculation of the DHA algorithms was realized, the settings of the main parameters in the calculation was comprehensive estimated. And the algorithms and their applicability were analyzed. By this presented DLIA simulation platform, the needs in the design of DLIA could be satisfied, so it was believed that it would have oractical potentiality in this field.

关 键 词：数字锁相放大 MATLAB 仿真平台 算法 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]