Risposto
How do I get my custom radiation pattern to properly make a custom antenna element in the phased array system toolbox?
Hi Nick, Could you explain your data file a bit? I took a quick look at your script and I noticed that you are using degrees...

oltre 10 anni fa | 1

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Risposto
How do we change the EnabledPolarization to True?
You can turn on the polarization by tgt = phased.RadarTarget('EnablePolarization',true) or tgt = phased.RadarTarge...

oltre 10 anni fa | 1

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

oltre 10 anni fa | 1

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Risposto
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...

oltre 10 anni fa | 0

Risposto
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...

quasi 11 anni fa | 0

Risposto
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...

quasi 11 anni fa | 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') ...

quasi 11 anni fa | 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 ...

quasi 11 anni fa | 0

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Risposto
.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...

quasi 11 anni fa | 0

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Risposto
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...

quasi 11 anni fa | 0

Risposto
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...

quasi 11 anni fa | 0

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Risposto
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...

quasi 11 anni fa | 0

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Risposto
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...

quasi 11 anni fa | 0

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

quasi 11 anni fa | 0

Risposto
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...

quasi 11 anni fa | 0

Risposto
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...

circa 11 anni fa | 0

Risposto
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...

circa 11 anni fa | 0

Risposto
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...

circa 11 anni fa | 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...

circa 11 anni fa | 0

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Risposto
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...

circa 11 anni fa | 0

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Risposto
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...

circa 11 anni fa | 0

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Risposto
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

circa 11 anni fa | 0

Risposto
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...

circa 11 anni fa | 0

Risposto
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...

circa 11 anni fa | 1

Risposto
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...

circa 11 anni fa | 0

Risposto
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...

circa 11 anni fa | 0

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

circa 11 anni fa | 0

Risposto
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 ...

circa 11 anni fa | 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...

circa 11 anni fa | 0

Risolto

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...

circa 11 anni fa