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Narrowband beamforming in transmission
Valerio Gloria · Dec 27, 2021 · narrowband beamfor... , transmitting beamf... , beamforming

Hi everybody. I am studying at university the concept of beamforming and I would like to design a simple beamformer in matlab/simulink for a transmitting system. I am studying matl…

Help With Starting Point for a Low Pass Filter
sukkan_sukha · Dec 27, 2021 · signal processing , Matlab , Programming

I am brand new to signal processing and having a lot of trouble understanding the documentation ot implement a low pass filter, which is what I think I need. An exmaple of what I'm…

FFT and IFFT: Random Phases
pro_vided · Dec 24, 2021 · matlab , audio , signal processing , fft , ifft , phase

I imported a single audio file to MATLAB workspace.   After I apply the FFT:     How can I random change the audio phases before apply the Inverse FFT and get the 'new_signal'? …

DSP Question: invfreqs.m
Steven_lord · Dec 24, 2021 · invfreqs , matlab , programming

I generate some coefficents for a filter and can inspect the frequency response as following:   %%Orginal Data N = 5000; data = cumsum(randn(N,1)); t = 252; a = 2 / (t+1); b = rep…

Conversion from struct type to array
pra_shant_shah · Dec 24, 2021 · data import , struct

Hey I have a .mat file which contains ECG data.Where aa contains struct type [15x10000 double]. How can I convert aa into [somethingx1 double] so that I can calculate length of  E…

what does eigenvalues expres in the covariance matrix?
Mohamed_Moawed · Dec 24, 2021 · eigenvalues , covariance matrix , matlab

is there a relationship between a covariance matrix and eigenvalues? like an example   Let us consider a 321 × 261 image dimention 321 × 261 = 83781. We have only 32 observation…

linear chirp signal generation ?
Aniket · Dec 24, 2021 · chirp , programming

hello i don't want to use chirp inbuilt function and i have written a code for chirp. could any one tell me is the code is correct ? i have simulate it and getting plot but at inst…

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