摘要
分析了在Matlab环境下仿真设计的关键问题,提出了利用模拟滤波器和基于Matlab设计IIR数字滤波器的实现步骤和方法,并以脉冲响应不变法和双线性变换法进行巴特沃思滤波器低通滤波器仿真设计作为案例,进行了效果对比分析。仿真结果表明,所设计的IIR数字滤波器完全满足技术指标的要求,该设计通过频率变换可以进一步实现高通、带通等其他所需类型的数字滤波器。
Analyzing the key problems of the simulation design in the Matlab environment,the implementation steps and methods of the IIR digital filter design are proposed by use of the analog filter design based on Matlab.Taking the simulation design of a low pass Butterworth filter as an example,the effect is analyzed and contrasted.The simulation results show that the designed IIR digital filter can completely satisfy the requirements of technical targets.By the frequency transformation,the high-pass,band-pass,and other required type digital filters can be realized further.
出处
《实验技术与管理》
CAS
北大核心
2016年第7期122-125,共4页
Experimental Technology and Management
基金
山东省优秀中青年科学家科研奖励基金项目(BS2011DX040)
中央高校基本科研业务费专项资金项目(11CX04045A)
