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SLL problems in a large phased array antenna
Hi Sricharan, Could you share a bit more info how you determine the SLL, is it by looking the beam pattern plotted in the fig...

casi 10 años hace | 0

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How to set propagation speed?
300000 km/s is the speed of light, I guess this is just a physical limitation of the propagation speed as nothing moves faster t...

casi 10 años hace | 0

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How does the phased array toolbox realize the off-grid time delay with phased.FreeSpace system object?
Hi Cole, You are right that the grid is defined by the sampling rate of the signal. If the time delay is not corresponding to...

casi 10 años hace | 0

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Wideband Radar System Design
You can always contact Rick directly via Phased Array System Toolbox product page at http://www.mathworks.com/products/phased...

casi 10 años hace | 1

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How to export 3D data from Matlab as a stl or obj file
I have never done this so I cannot guarantee the workflow. However, the figure generated by the above code is a surf plot and th...

casi 10 años hace | 1

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how to simulate a pulsed radar system with Matlab ?
Could you be more specific with your question. I think the example "Desigining a Basic Monostatic Pulse Radar" already contains ...

casi 10 años hace | 0

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Relation between steering vector and radiation pattern
You can think of steering vector as the field received at each element in the array. Hence, the field radiation pattern for a gi...

casi 10 años hace | 0

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How to convert the values in the spatial spectrum returned from the MVDREstimator2D to dB ?
You should be able to use |mag2dB| for this. For example, let's say |y| is your spatial spectrum, then you can do the following ...

casi 10 años hace | 0

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how to write a m file code to cfar for fmcw radar
You may also want to take a look at CFAR detector offered in Phased Array System Toolbox. The noise is estimated using training ...

casi 10 años hace | 0

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How can I use the Welch's method to obtain the Power Spectrum?
You can use |pwelch| if you have Signal Processing Toolbox http://www.mathworks.com/help/signal/ref/pwelch.html

alrededor de 10 años hace | 0

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Modeling an ultrasonic transducer in Phased Array toolbox
It would be hard to answer that question without some context. There is no native support for ultrasound sensor yet but some ana...

alrededor de 10 años hace | 0

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Detecting two targets in Radar sound signal processing
Take a look at Phased Array System Toolbox, http://www.mathworks.com/products/phased-array/ and its examples http://ww...

alrededor de 10 años hace | 0

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sampling rate requirements in radar end-to-end simulations
For a bandpass signal, in theory the sampling rate only needs to be the same as the bandwidth. Unfortunately right now the wa...

alrededor de 10 años hace | 0

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How can I reshape the data to plot vorticity?
From your data, you may want to do y_new = reshape(x,numel(xu),numel(yu)); x_new = reshape(y,numel(xu),numel(yu)); p...

alrededor de 10 años hace | 0

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modelling custom time-varying radar cross-section (RCS)
This sounds like an interesting problem, is it possible for you to share what kind of application requires this? I'll be interes...

alrededor de 10 años hace | 0

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simulating radar targets vibrating at a low frequency
There is no existing solution for this in Phased Array System Toolbox, but if the purpose is to model a sphere, it can be done m...

alrededor de 10 años hace | 0

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target/environment modelling using phased array toolbox
Yes, it's doable. The following example shows three targets in the same direction yet the return from all three are modeled. ...

alrededor de 10 años hace | 0

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Problem with matrix as input for pwelch()
Hi Jan, can you run which pwelch and see if you are indeed running the correct |pwelch|? Also it will be helpful if you...

alrededor de 10 años hace | 0

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Signal_Blocks Licensing error: -5,357
|fdesign.notch| is a feature from DSP System Toolbox. You may want to check if you have the license for that product. HTH.

alrededor de 10 años hace | 1

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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...

alrededor de 10 años hace | 1

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

alrededor de 10 años hace | 1

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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...

alrededor de 10 años hace | 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...

alrededor de 10 años hace | 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...

alrededor de 10 años hace | 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...

alrededor de 10 años hace | 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') ...

más de 10 años hace | 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 ...

más de 10 años hace | 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...

más de 10 años hace | 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...

más de 10 años hace | 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...

más de 10 años hace | 0

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