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please i would like to know how to put that function ( wvtool ) in my GUI interface as example i will put this code in any pushbottom and will show it in my GUI axis1 ?? L = 64; wv…
I have a data of velocity (get from accelerometer) and force data (get from hammer). Now, I need to get mobility from them. I already know that mobility=velocity/force. But I don't…
I have two vectors (x and y) of the same size with x having more than one value in the y direction. For example, x is [0.02 0.02 0.03 0.03 0.03 0.04 0.04 0.05 0.05 0.05] and y is […
What is the most efficient/fastest way to find the circled local minimum below, the lowest minima between two highest peaks? The graph was created by plot(x,y). …
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 fft calculations?…
Using code from Remove the 60 Hz Hum from a Signal. srate = input ('Enter SAMPLE RATE for this subject(check log book!): '); ChannelFirst = data.ECG; Fs=srate; t =( 0:length(dat…
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(supress) unwanted like noise p…
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 mismatch. How to rectify it?…
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 compute the fourier transform and pl…