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sin broadening can be taken as a chirp signal or even considering two sin signals which are very close in there frequencies that...

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Answered 4 years ago

I need to plot a sin signal and analyse it using a spectrum analzer (periodogram) but i want to broaden the sin signal how is it...

6 Answers

Asked 4 years ago

I am implementing an FFT over 2 sin signals which are placed at frequencies 300Hz and 380 Hz as the frequency components are ver...

please suggest me if u have a complete different idea also....

suppose there is a matrix of 3x3 size i want to calculate the maximum value in every row. ex: 3 4 5 6 9 0 1 2 3 ...

4 Answers

I created a 30x30 matrix and now I want to delete the 1st column of data and add another column replacing the deleted column (wh...

2 Answers

Asked 2 years ago

I have a signal which is comprised of 4 chirp signals and an additive noise with the same sampling frequency and size is generat...

actually i am applying short time fourier transform and i am implementing zero's to the end of the signal to match with the wind...

I wantto find the cost involved in implementing an fft that is the number of multiplications and additions as i have a task to c...

I have to design a lowpass filter with passband of 0-1000Hz and sampling rate of 10kHz when i implement using fdatool it works b...

1 Answers

I need to design a bandpass filter with sampling rate of 10kHz and bandpass of 0 to 1kHz and then insert a signal my signal in t...

Hello , I have a very large matrix of 900x500 which i gained from applying a spectrogram. what i want is to find the local maxi...

in matlab only linear chirp with uni directional sweep is present but i want a chirp with bidirectional sweep how is possible to...

Actually i have to plot the true frequencies of a chirp signal over the chirp signals but when i plot the true frequencies over ...

3 Answers

This is the error message generated while running my function please tell me the reason for this error

how to implement fsk on a sine wave

I am trying to manually implement stft,but i wanted to implement in such a way that the overlap of window is so large i mean to ...

for m = 1:N s = zeros(1,N2m1); s(N-(m-1):N2m1-(m-1)) = F; %try applying window here s = conj(fliplr(s)).*s; ...

i have a audio signal ,I want to know the bandwidth because its specgram has artefacts i think it may be due to the sample rate....

i have an audio signal i need to convert it in to analytic signal to use it with WVD

I have asked this type of questions many times but can you give me the matlab code for designing a lowpass IIR filter. thanky...

I am implementing a code and exactly at the last loop after running for two iterations I have this error. I know this error is d...

K discrete time real-valued random reference signals are stationary, but possibly correlated, and are described by the vector ...

Hii, Hallo suppose if i have a 3x3 matrix like [0 -1.2 -0.6; -0.9 -5 -6; 0 -1.8 -2.5] and also I have a threshold value ...

I have checked matlabcentral but not found the write one i need to plot a line which starts from a point on the y-axis to the co...

can any help me in getting the algorithm or code to implement wigner-ville distributions to analyse the time and frequency con...

Asked 5 years ago

Actually I am trying to plot the local maxima on a data which is a matrix but i get this error '??? Index exceeds matrix dimens...

0 Answers

I want to represent the true frequency of a logarithmic chirp. So I want to plot a curve over the spectrogram plane can you help...

even the imregionalmax function works well

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