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convolving 1D filter in 1D signal
Hi, For 1D convolution the two signals should be vector form while doing convolution. If e is 1D then use Conv function . If ...

4 years ago | 0

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How can I plot the contour of the imaginary unit of this function phiz?
Hi, Imaginary term generally indicates the axis of a graph, (2,3) can be written as 2+3i is some applications and magnitude g...

4 years ago | 0

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How can I resample data to a fixed time grid?
Hi, I understood that if a given input data of any length should be adjusted to length of time that provided, irrespective of s...

4 years ago | 0

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Hanning window on Imported data
Hi, To pass a filter over signal we can use "filter" function with appropriate coefficients >>w = hann(64); % we can use desi...

4 years ago | 0

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Answered
How to find the peaks of a PPG signal?
Hi, To find peaks of any signal initially it needs to be filtered through low pass in order to clear the local peaks >>windowS...

4 years ago | 1

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i cant use interpolation in matlab
Hi, 'interp3' expects the x,y,z,v inputs in meshgrid ordering >> Vq3 = interp3(y,x,z,v,Yq,Xq,Zq); % meshgrid order for X, Y,...

4 years ago | 0

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Answered
given a speech signal(.wav) file, we are required to plot cosine waves over it like cos(k1*x),cos(k2*x).I tried using dct function but to unable to proceedd
Hi, By multiplying the cosine signal over the sound signal we can get the required signal Use the following code to g...

4 years ago | 0