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Help for vectorization??
Here is an example you can try featInd = 1:24636; tempInd = 1:12332; incI = bsxfun(@plus,featInd(:),tempInd); As t...

10年以上前 | 1

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How can I estimate target velocity by pulsed doppler radar in simulink model?
This example explains how to do Doppler estimation in pulsed radar http://www.mathworks.com/help/phased/examples/doppler-esti...

10年以上前 | 0

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why type 2 FIR filter cannot be used to design high pass filter?
This is because for Type II FIR, there is a zero corresponding to Nyqiust rate, i.e., half sampling frequency. However, a high p...

10年以上前 | 0

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BeamscanEstimator example fails when carrier frequency is changed
Hi Roger, Did you update the array? The example uses an array with an element spacing of 0.5 meters, which is half wavelength...

10年以上前 | 0

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inputParser does not support code generation, is that true?
It's not supported. However, if you can do your own parsing in a different branch. For example, if coder.target('MATLAB') ...

10年以上前 | 1

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How do I specify the frrequency response in the look direction for the object phased.FrostBeamformer ?
In |phased.FrostBeamformer|, the look direction response is set to 1. If you are interested in tweak the desired responses, you ...

10年以上前 | 0

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.m to c code
Yes, you can do this via MATLAB Coder. Here is a small video showcasing that. http://www.mathworks.com/videos/generating-c-c...

10年以上前 | 0

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downsample fuction error, I want to know how to design the downsampling filter
This is a third party program and is not provided by MathWorks. I don't know what your goal is but the function is doing what ex...

10年以上前 | 0

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Changing pulse width for linear FM waveform
This does not seem to have all the relevant code but from what I can see you seem to be comparing the received signal sample val...

10年以上前 | 0

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Remove back lobe in ArraySynthesisExample.m
Hi Chris, I'm not sure what you mean here but it seems that you are using an isotropic element. Therefore, the lobe is genera...

10年以上前 | 0

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Array Pattern Synthesis: is first plot not correct?
Hi Chris, This is because in setting up the antennas, the example used a very crude way to remove the response at the back by...

10年以上前 | 0

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fdatool generates coefficients in s domain or z domain?
In general FDATool creates digital filters so they are in z domain.

10年以上前 | 0

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Question regarding Antenna toolbox example provided by mathworks ( beam pattern)
The example actually belongs to Phased Array System Toolbox, not Antenna Toolbox. 1. These are columns 2. wn is the steeri...

10年以上前 | 0

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Acoustic Beamforming using Microphone Array : Recorded Multi Channel Audio
Are you using one wav file for all four channels? For beamformers to work, you will need four separate signals from each microph...

10年以上前 | 0

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How can I create a simple two antenna Tx/Rx chain in Time Domain with Propagation delay, antenna bandwidth, and polarization effects?
Hi Mathew, Maybe you want to take a look at Phased Array System Toolbox and see if it can address some of your needs. http...

10年以上前 | 0

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Using xcorr to cross correlate data that contains "spikes"
You may want to use xcorr(x, y, 'coeff') instead. You will get a higher peak simply because your inserted random numbers...

10年以上前 | 0

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clarification regarding custom Antenna's "Radiation pattern"
Hi Chris, your guess regarding the frequency response is right. It is essentially a simple way to specify the pattern across the...

10年以上前 | 0

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Possible to obtain bistatic clutter model?
Unfortunately there is no bistatic clutter model in Phased Array System Toolbox at this point. Is there any particular model you...

10年以上前 | 0

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SENSORSIG function Matlab HELP
The |sensorsig| function produces a random test signal each time you invoke it. The only thing it does is to modulate the signal...

10年以上前 | 0

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cross correlation between a noise signal and a determined signal
Did you see the scale? When I run your code, the correlation is at the order of 10^-3, I'd say it's fairly small. HTH

10年以上前 | 0

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Question about FMCW radar matlab code
The following demo may be helpful http://www.mathworks.com/help/phased/examples/automotive-adaptive-cruise-control-using-fmcw...

11年弱前 | 0

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How to implement concentric circular array using matlab???
Please refer to the example at http://cn.mathworks.com/help/phased/examples/phased-array-gallery.html There is an concentr...

11年弱前 | 1

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FIR Filter in Simulink
The following function may be helpful to you, it can also be invoked form MATLAB command line http://www.mathworks.com/help/d...

11年弱前 | 0

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fft2 - how does it work
I'm a bit confused by your question, there is no fft2 in your code. All you do is fft along columns. Also for your code, if I ch...

11年弱前 | 0

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How CALL SIMULINK Block from M.file ?
You can use |sim| command http://www.mathworks.com/help/simulink/ug/using-the-sim-command.html

11年弱前 | 0

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Why drawnow ; is given after imshow in matlab?
This is used to flush the graphic queue so you can see the change on screen. This is often used in animation so you can see the ...

11年弱前 | 0

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how to program a delay sum beamformer for a specific target direction
You can use phased.TimeDelayBeamformer to do this if you have access to Phased Array System Toolbox. http://www.mathworks.com...

11年弱前 | 0

解決済み

Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

11年弱前

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Data Regularization
Provided is an m-by-n integer data matrix A whose elements are drawn arbitrarily from a set *S* = [1,2,3,...,S] for any large in...

11年弱前

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Why the radiated power from an array is not dependent on the antenna gain rather it depends on the antenna power pattern ?
Hi Raza, Sorry I didn't see this this one before, I believe we've covered this one in the following thread. I just want to pu...

11年弱前 | 0