functionHd=iir%IIR Returns a discrete-time filter object.% MATLAB Code% Generated by MATLAB(R) 9.6 and Signal Processing Toolbox 8.2.% Generated on: 09-Oct-2020 20:10:35% Elliptic Lowpass filter designed using FDESIGN.LOWPASS.% All frequency values are in Hz.Fs=32000;% Sampling Frequency...
Fc/(Fs/2),'low'); % 3阶巴特沃斯低通滤波器设计% 生成输入信号t = 0:1/Fs:1;x = sin(2*pi*50*t) + sin(2*pi*150*t) + sin(2*pi*250*t);% 滤波y = filter(b,a,x);% 绘制结果figure;subplot(2,1,1);plot(t,x);title('输入信号');xlabel('时间 (s)');ylabel('...
% FILTER_2, by itself, creates a new FILTER_2 or raises the existing % singleton*. % % H = FILTER_2 returns the handle to a new FILTER_2 or the handle to % the existing singleton*. % % FILTER_2('CALLBACK',hObject,eventData,handles,...) calls the local % function named CALLBA...
For a list of filter analysis methods this object supports, type dsp.IIRFilter.helpFilterAnalysis in the MATLAB® command prompt. For the corresponding function reference pages, see Analysis Functions for Filter System Objects. Examples collapse all Filter Noisy Signal Using IIR Filter Copy Code Co...
y = filter(Wopt, 1, x); % 误差 En1 = d - y'; En2 = d - ss'; MSE1=mean(En1.^2); MSE2=mean(En2.^2); % 结果 figure, plot(n, d, 'r:', n, y, 'b-'); legend('FIR维纳滤波信号真值','FIR维纳滤波估计值'); title('FIR维纳滤波期望信号与滤波结果对比'); ...
%IIR_DESIGNER Returns a discrete-time filter object. %MATLABCode % Generated by MATLAB(R) 9.1 and theDSPSystem Toolbox 9.3. % Generated on: 19-Aug-2023 21:26:11 % Butterworth Lowpass filter designed using FDESIGN.LOWPASS. % All frequency values are in Hz. ...
y2t=filter(B,A,st); %滤波器软件实现 带通滤波器设计与实现绘图部分 figure(3);subplot(2,1,1);myplot(B,A); %调用绘图函数myplot绘制损耗函数曲线 yt='y_2(t)';subplot(2,1,2);tplot(y2t,T,yt); %调用绘图函数tplot绘制滤波器输出波形 高通滤波器设计与实现=== fp=890;fs...
The coder displays these messages in the MATLAB Command Window as it generates the filter and test bench VHDL files: ### Starting VHDL code generation process for filter: iir ### Starting VHDL code generation process for filter: iir ### Generating: H:\hdlsrc\iir.vhd ### Starting generatio...
第二种是在MATLAB的命令行窗口直接输入filterbuilder回车,选择lowpass,然后确定。 设计一个低通FIR滤波器 设计一个低通FIR滤波器,采样率245.76MHz,通带带宽3.2MHz,阻带5MHz,通带纹波0.1dB,阻带衰减80dB,窗函数为Kaiserwin。如图所示: 点击Apply后再点击右上角的View Filter Response就可以看到滤波器的幅频响应,点击信...
Extended Capabilities C/C++ Code Generation Generate C and C++ code using MATLAB® Coder™. Version History Introduced in R2011a See Also freqz | filter | grpdelay | iirlpnorm | iirlpnormc | zplaneWhy did you choose this rating? Submit How useful was this information? Unrated 1 star ...