MATLAB QUESTIONS & EXPERT ANSWERS

I have a matrix that I read into MatLab that is 116 spectra (columns) each being 1024 elements (rows). Each spectrum has a peak and I'm looking to det...

Hello,   I have a question about the  signal smoothing example given in the documentation of Matlab.   load bostemp   days = (1:31*24)/24; plot(da...

I have a respiration signal which is sinusoidal in shape. I have fitted the curve using Fourier series. Since the fitted curve is in cfit format, I am...

Hi, I used "findpeaks" to find the IDs of all the peaks in my data. I need for each peak to find the average of five elements before it. the problem i...

Hi guys!   I have been trying to make a chirp function in which the frequency is changing randomly through the time   my parameters are this t1=0 t2...

Hi, i designed a filter using :   d1=designfilt('lowpassfir','PassbandFrequency',0.45,'StopbandFrequency',0.5,'PassbandRipple',3,'StopbandAttenuation...

Hi, I am trying to use findpeaks over a matrix, x, column by column. I am using a for loop as below:   for k=1:size(x,2) [P{k},locs{k},widths,proms{k...

fft dim shows how dim parameter is used for multidimensional  signals of ndims(X) = 2 When ndims(X) > 2 how is it used? (I cannot use fftn here.)...

f_sweep = 5e6; fs = f_sweep * 4.121; sLFM = phasedLinearFMWaveform('SampleRate',fs,'SweepBandWidth',f_sweep,'PulseWidth',1e-3); lfmwav = setp(sLFM); c...

Hi , I have the signal x2(t)=|cos(10*pi*t)|.How can i calculate its period with matlab?I am new  matlab so each help will be usefull...