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What stage to add noise in FMCW radar system?
The line sig2=receiver(sig) already adds noise to the signal and the noise power is determined by the parameters in rece...

約8年前 | 0

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Can anyone help me how to open this file ? The file is genererated by a pulse radar.....
This looks like a binary file format. It's not clear to me whether you want to read or write such a file but MATLAB provides the...

約8年前 | 0

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phased.SubbandMVDRBeamformer for microphone array
I would recommend you to look at Frost beamformer which is a time domain implementation. This beamformer works for both narrowba...

約8年前 | 1

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Doppler Velocity from I&Q channel
If you are using a pure CW system, you cannot derive the range information. In that case you just mix the received signal with t...

約8年前 | 0

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Doppler Velocity from I&Q channel
There is a Doppler estimation example in Phased Array System Toolbox. You can find it at <https://www.mathworks.com/help/phas...

約8年前 | 0

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How to add variables in workspace with names derived from a char array and corresponding values stored in a double array
Here is an example col_names = ['time ';'speed']; data = [0 1;2 3;4 5]; for m = 1:2 eval(sprintf('%s = data(:,...

約8年前 | 0

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Plotting two x axes with one Y-axis, and second x axis are non-ordered numbers
I would replace the code after ax1 = gca; with the following ax2 = axes('Position',get(ax1,'Position'),'XAxisLocati...

約8年前 | 0

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How does this time domain plot refer to the frequency plot in the automotive adapting cruise control example?
This is because the signal is critically sampled (bandwidth 150 MHz and sampling rate 150 MHz) so visually it looks as if the si...

約8年前 | 0

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Is there a simulator of SONAR using matlab?
There are two related examples in Phased Array System Toolbox <https://www.mathworks.com/help/phased/examples/underwater-targ...

約8年前 | 0

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Error: SpatialSmoothing should not be larger than -1 (Phased Array Toolbox)
Thanks for bringing this to our attention, the error is misleading and we should fix it. The real reason behind the scene is tha...

約8年前 | 0

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Error when applying filter to tall data
According to the following list, |dfilt| does not support tall array at this point. HTH

約8年前 | 0

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Finding Local Maximums in a Signal?
If you think the first plot has only two peaks, |findpeaks| may still be your best bet, you may want to pass the signal through ...

約8年前 | 0

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What's the formula behind the coefficients calculation of the Filter Designer?
If you go to File -> Generate MATLAB Code, you will be able to get a script containing functions that used by the app to design ...

約8年前 | 0

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Hi everyone, Can anyone help me to plot range doppler response with all the essential parameters??
As you mentioned in the end, you can use phased.RagneDopplerResponse to do that. Have you tried it out? Did you encounter any is...

約8年前 | 0

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Is there any other APPS in Matlab apart from Filter Designer. Just for filtering the signal
Not sure if this is what you want, but if you go to File -> Generate MATLAB Code, there is an option to generate a data filterin...

約8年前 | 0

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Is it possible to change elevation angles in the Vertical Coverage Diagram?
The reason for nan is that when the function computes the vertical response, it needs to access the pattern value out of the spe...

約8年前 | 0

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How to perform 2D CFAR detection on a 256x128 matrix using phased array tool box?
You should be able to map everything to |phased.CFARDetection2D|, have you tried it. Did you encounter an issue? The reference p...

約8年前 | 0

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How can I extract the first element of a vector in simulink?
You should be able to use a Selector block. You can find the reference page at <https://www.mathworks.com/help/simulink/slref...

約8年前 | 0

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Using GCCPhat with Matlab Coder Issues - 'xref' not fully defined
Sorry for the late reply. This is a bug. I think the easiest way to fix this is to supply the sampling frequency as the third in...

約8年前 | 0

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Hello everyone, How to check range and doppler is correct through the graph response?
If you have a range-Doppler response map, you will see a blob at the corresponding range and Doppler coordinates. This map typic...

約8年前 | 0

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When doing target parameter estimation with a ULA, is it necessary to use beamforming?
That depends on what you want to estimate. For example, if you want to estimate the direction, then you need to have signals fro...

約8年前 | 0

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In phased array toolbox, what is the difference between rootmusicdoa and phased.RootMUSICEstimator functions?
They do the same thing, the difference is on interfaces. |rootmusicdoa| takes the covariance matrix as input while |phased.RootM...

約8年前 | 0

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Using GCCPhat with Matlab Coder Issues - 'xref' not fully defined
Could you share your script? In terms of limitation, neither number of inputs nor sizes of inputs can change but your issue does...

約8年前 | 0

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Transfer RADAR data e.g. Spectrum to Matlab Environment ?
I think your best bet is to contact the evaluation kit manufacturer. Given they are displaying the spectrum on their software, t...

約8年前 | 0

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Please help implement this equation(2.51).
You may find the following example helpful, especially the multiscatter target part <https://www.mathworks.com/help/phased/ex...

約8年前 | 0

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Please How can I get the remaining blocks in signal processing subsystem
Signal Processing block is a subsystem containing several blocks from Phased Array System Toolbox and DSP System Toolbox. If you...

約8年前 | 0

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Matlab FFT - sampling frequency
It should match the sampling frequency used to obtain your digital signal, otherwise your interpretation of the signal is wrong....

約8年前 | 0

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Please Im stuck on how to create a system object
The code snippet you show is how to create a wideband backscatter target. It is how you use the object, not how you write such a...

約8年前 | 0

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How do I create a vector of n consecutive numbers spaced at with an interval of m between each group, without using a for loop?
Here is one possible solution N = 9; n = 3; m = 2; x = buffer(1:N,n); x = x+(0:size(x,2)-1)*m; x(1:N).' H...

約8年前 | 0

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Please Im stuck on how to create a system object
It's already in the Phased Array System Toolbox, it was introduced in R2016b. <https://www.mathworks.com/help/phased/ref/phas...

約8年前 | 0