%Time vector % Input signal:sin wave 50Hz (amplitude 0.7) + sin wave 120Hz (amplitude 1) ...
The resulting amplitude must be scaled and the corresponding frequency determined. An M-file that approximates the Fourier Transform of a sampled continuous-time signal is available from the ftp site and is given below: function [X,w] = contfft(x,T); [n,m] = size(x); if nm, x = ...
ylabel('Amplitude [g]') title('Envelope of filtered signal') if spec == 1 env = abs(c).^2; env=env-mean(env); nfft=length(env); S=fft(env,nfft); end end %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function c = MK_wpQ_filt_local(x,h,g...
ssubmmse - Speech enhancement using MMSE estimate of spectral amplitude or log amplitude采用MMSE估计谐振幅或对数振幅增强语音 ssubmmsev - Speech enhancement using MMSE estimate and VAD-based noise estimation利用最小均方法估计法和基于VAD的噪声估计法增强语音 specsubm - (obsolete algorithm) Spectral subt...
N = 256; % Number of samples A = [1,0.8]; % Amplitude SimTimes = 2000; % Number of simulation SNRdB = [-10:2:-4,0:5:40]; % SNR RMSE = zeros(length(SNRdB),2); % RMSE CRLB = sqrt(3*Fs^2./(2*pi^2*N*(N^2-1)*10.^(SNRdB/10))).';% CRLB ...
Demux(解混) 模块功能 将一个向量信号分解成输出信号。 模块说明 该模块将输入的向量信号分解为若干输出连线,可以传输标量或者向量信号,Simulink可以通过输出个数确定输出信号的数目和宽度。 模块数据类型 该模块接受和输出任何类型的实数或复数值信号。 模块参数对话框 Number of outputs:输出个数;指输出的个数和宽度...
% Returns the Stockwell Transform of the timeseries. % Code by Robert Glenn Stockwell. % DO NOT DISTRIBUTE % BETA TEST ONLY % Reference is "Localization of the Complex Spectrum: The S Transform" % from IEEE Transactions on Signal Processing, vol. 44., number 4, April 1996, pages 998-100...
例:利用触发子系统获取零阶保持的采样信号实例 (1)构造一个仿真模型,保存为test2 (2) 设置模块参数:Pulse Generator: Amplitude 为1,Period 为 1,Pulse Width为50, Phase delay为0;Sine Wave: Amplitude为1,Frequency为1, Phase为0, Start time为0 (3)在MATLAB命令窗口中运行Simulink模型, 该模型被保存在...
Introduction [Number of 10-point single-space pages >] 32. Mathematical Preliminaries 352.1 A simple differenti... TA Is 被引量: 0发表: 0年 Low-Noise, Low-Sensitivity Active-RC Allpole Filters Using MATLAB Optimization function coefficients calculations, as well as plotting of amplitude-...
%norient6-Numberoffilterorientations. %minWaveLength3-Wavelengthofsmallestscalefilter. %mult2.1-Scalingfactorbetweensuccessivefilters. %sigmaOnf0.55-RatioofthestandarddeviationoftheGaussian %describingthelogGaborfilter'stransferfunction %inthefrequencydomaintothefiltercenterfrequency. %dThetaOnSigma1.2-Ratioof...