Answered
Output Length of signal filtered using FIR Filters
Hi Sanket, You are correct that if you do convolution, you get a sequence longer than your original signal. However, those ex...

15 years ago | 1

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Answered
phased array toolbox
Hi Matthew, Could you be more specific about the issues you encounter? Thanks.

15 years ago | 0

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Cross correlation vs Matched Filter
I think the term "matched filter" focuses more on the fact that it maximize the SNR. Cross correlation can be considered as one ...

15 years ago | 0

Answered
Question about FFT
Hi itsik, When you do IFFT to get 1000 samples, it simply pads zero at the end. So when you do fft back, just take the first ...

15 years ago | 3

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Butterworth filter
Hi Federico, Butterworth filter is an IIR filter, so you will need to get the denominator too, i.e., using the syntax [B...

15 years ago | 0

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Answered
beamforming
You can also check out the new Phased Array System Toolbox. It has many beamforming algorithms. http://www.mathworks.com/prod...

15 years ago | 0

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Converting Analog Filter into Digital Filter
Hi Royi, When you use Bilinear transform to convert an analog filter to a digital filter, you need to consider the effect of ...

15 years ago | 0

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1D Gaussian Filter using FFT
Hi SM, From the code you posted here, my suspect is that you did not use enough points in your FFT to remove the aliasing. No...

15 years ago | 0

Answered
Need to convert data from two sensors to the same sampling rate
If you have Filter Design Toolbox or DSP System Toolbox, you may want to take a look at the documentation for |fdesign.rsrc|, it...

15 years ago | 0

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How do I create a matched filter for signal detection?
You can refer to the following thread: http://www.mathworks.com/matlabcentral/answers/4502-matched-filter

15 years ago | 0

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Answered
spectral analysis of a signal
You can use |cvsread| to read the signal into MATLAB first. If you have Signal Processing Toolbox, I'll suggest you to use spect...

15 years ago | 0

Answered
Matched filter
If you have a signal, x, then the matched filter's coefficients is given by time reverse of x, i.e., x(end:-1:1). If your signal...

15 years ago | 5

Answered
DATAWRAP
Hi Cesare, If I understand your question correctly, your problem is more related to why MATLAB wrap the data, the particular ...

15 years ago | 0

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FDAtool: Cutoff for "Chebyshev" and "Elliptic"
Hi Alex, I think there is some misunderstanding regarding the design specification. In IIR filter, if you specify the filter ...

15 years ago | 0

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Answered
find the sidelobe level
If you have Signal Processing Toolbox, you can use |findpeaks| function to find peaks. In your case, if you find two biggest pea...

15 years ago | 1

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Answered
FDAtool - Scale Passband (Chebyshev)
Hi Jan, I can't really follow your example but the purpose of scale is to make sure that the center of the first passband has...

15 years ago | 0

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matched receiver filter
If you have a signal, x, then the matched filter's coefficients is given by time reverse of x, i.e., x(end:-1:1). If your signal...

15 years ago | 0

Answered
How to get an algorithm for adaptive filter in MATLAB
Hi Venkata, If you have Filter Design Toolbox, check out the supported adaptive filter using >> help adaptfilt You can find...

15 years ago | 0

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How to test my filter design?
In general, a filer is designed according to specifications such as passband, stopband, passband ripple, stopband attenuation, e...

15 years ago | 0

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Non-causal filter coefficients
Hi Des, The non-causal filter is not physically realizable. However, if you do a variable replacement of m=n+4, your equation...

15 years ago | 0

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Answered
Scalogram and subplots
Hi Tom, Does >> wscalogram('image',c,'scales',scales,'ydata',data); work for you or you want more control? Thanks.

15 years ago | 0

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FIR Window - Taylor
You can use |taylorwin| in Signal Processing Toolbox to calculate the coefficients for a Taylor window. If you want to know the ...

15 years ago | 0