应用仿真软件和虚拟仪器平台的“数字滤波器”基础实验  

Basic Experiment of Digital Filter Based on Simulation and Virtual Instrument Platform

作　　者：肖涵 许洪光 李苑青 XIAO Han;XU Hongguang;LI Yuanqing(Education Center of Experiments and innovation,Harbin Institude of Technology Shenzhen,Shenzhen 518000,China;School of Electronics and Information Engineering,Harbin Institude of Technology Shenzhen,Shenzhen 518000,China)

机构地区：[1]哈尔滨工业大学(深圳)实验与创新实践教育中心,广东深圳518000 [2]哈尔滨工业大学(深圳)电子与信息工程学院,广东深圳518000

出　　处：《长江信息通信》2021年第10期43-45,共3页Changjiang Information & Communications

基　　金：哈尔滨工业大学(深圳)教学改革项目,电类专业实践类系列课程建设的研究(编号:HITSZRP19003)。

摘　　要：针对数字信号处理课程应用性较强的特点,"数字滤波器"基础实验从简单的梳状滤波器入手,利用仿真软件计算并在虚拟仪器平台搭建数字滤波器,通过仿真结果和虚拟仪器平台的实测数据,分析不同结构及不同参数的梳状滤波器的性能。实验涵盖对模拟信号的采样、数字滤波器设计与实现、信号恢复重构等数字信号处理课程中的重要内容。实验加深了学生对数字滤波器设计、信号处理的认识与理解,同时提高了学生动手实操、理论联系实际的能力。A basic experiment of"digital filter design"is developed to meet the needs of applicability in digital signal processing course.By taking comb filter as an example,the digital filter is simulated with software and implemented with virtual instrument platform.The measured data from virtual instrument platform and simulation results are discussed to analyze the performance of comb filter with different structures and parameters.The experimental contents involve sampling of analog signals,filter design and implementation,signal recovery,covering the important contents in digital signal processing course.The experiment deepens students’knowledge and understanding of digital filter design and signal processing,improves students’ability of exercise and combination of theory with practice.

关 键 词：数字信号处理 数字滤波器 梳状滤波器 软件仿真 虚拟仪器平台 

分 类 号：TN911.7[电子电信—通信与信息系统]