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Is it possible to create an L-shaped phased array using the Phased Array Toolbox?
Yes you can use Phased Array System Toolbox to do this, here is a small example to show that d = 0.5; N = 4; pos_alon...

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Toolbox Phased - GCC Estimate of Direction of Arrival at Microphone Array - MATLAB Example
You may want to check the spacing of the array and the sampling rate. The GCC algorithm essentially does a correlation between c...

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How can I use "beamscan" for a wideband signal (Phased Array System Toolbox)
The main idea behind beamscan is to form a beam toward all directions and then select the strongest return. For wideband signals...

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How do I generate a pulse train of sine waveforms?
You can take a look at the pulstran function in Signal Processing Toolbox. Here is an example prf = 1; pw = 0.1; fs ...

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How frequency response can be calculated from set of filter coefficients ????
Say if you have coefficients in a vector |a|, e.g., c = [1 1 1] Just do freqz(c) HTH

casi 10 años hace | 0

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How do I pass variables between functions
It seems you didn't explicitly return and pass in the properties you computed? Could you try properties = readProperties(...

casi 10 años hace | 0

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calculating auto-correlation function of a matrix
Do you mean you want to compute autocorrelation for each column? If so, you can always use a |for| loop to do that, e.g., ...

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How to use set() to put multiple y-data points on plot
Do you know the size of data? If so, you can do something like x = [rand(100,6) (1:100)']; % 100x7 matrix plotdata = pl...

alrededor de 10 años hace | 1

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Phased.LinearFMWaveform Function + For Loop
Your code runs just fine, could you elaborate what your question is? My guess is you want to see the signal itself? If so, you c...

alrededor de 10 años hace | 0

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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...

alrededor de 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...

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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...

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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...

alrededor de 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...

alrededor de 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 ...

alrededor de 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...

alrededor de 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 ...

más de 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 ...

más de 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

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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...

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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...

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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...

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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...

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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...

más 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...

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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. ...

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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...

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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.

más 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...

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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...

más de 10 años hace | 1