MATLAB QUESTIONS & EXPERT ANSWERS

If i have a  signal but i do not know the sampling rate , i need to find the power spectrum of the signal , then plot against the frequency...

I have a  signal from which I want to find the dominant frequency.   Does fft ignore the part which is constant (like DC)? Does that part affect the...

Using code from Remove the 60 Hz Hum from a Signal.   srate = input ('Enter SAMPLE RATE for this subject(check log book!): '); ChannelFirst = data.EC...

I have an almost urgent problem to solve. I have a 2 dimensional 152x2000 matrix, B. We can say time domain signal or image. I have to filter, remove(...

Hi, I have the following code. x1=wavread('speech.wav'); x2=wavread('speech_noise.wav'); I have to do x2-x1 I am getting the error as Dimension mismat...

How can i use the fft command to transform a rectangular pulse to sinc function and plot the sinc function, i'm using a very traditional way to comput...

When looking at the cfirpm example in the help it does not seem to do what it's intended to do.   It's supposed to make a FIR filter with an arbitrar...

I am a biomedical student and want to know how MATLAB can be used by a biomedical engg.  ...

I have a UIcontrol program like below       function [] = MyGui() S.fh = figure('units','pixels',... 'position',[200 200 800 800],... 'menubar','no...

I use Matlab for signal processing. I have a workstation for heavy duty processing but would like to use a netbook for debugging while on the road. An...