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FMCW FFT processing (range time plot)
I'm just speculating but if your processing result matches the ground truth, it will be hard to argue against it. For a FMCW,...

9年弱前 | 0

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fprintf size without knowing the dimension
You can just do fprintf(' %s\n',num2str(size(array))); HTH

9年弱前 | 0

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How to plot polar directivity pattern through beamform audio.wav ?
The pattern is associated with the array itself. Once the beamform is obtained, the wav file is just a time domain representatio...

9年弱前 | 0

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Sum up rows of several columns with the same element in the first column
You can also use |accumarray| if you have an earlier version hm = str2double(h); [u,~,idx] = unique(hm(:,1),'stable'...

9年弱前 | 0

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How to assign a structure name using an index?
Here is a simple example how you can achieve that Abb = {'file1','file2'}; temp = struct('a',3,'b',4); index = 1; ...

9年弱前 | 0

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How to extract the amplitude from Hilbert Transformation?
The magnitude of an analytical signal (which is what hilbert gives you) is the envelope of the signal. Is that what you want? I'...

9年弱前 | 0

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question about the signal smoothing example
For the first question, the data is recorded hourly, so the samples are done in 1:31*24. However, in the display, the x axis is ...

9年弱前 | 0

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What's the correct syntax for the rocsnr function for a multiple pulse noncoherent detector?
You could do something like this SNRdB = [-3 0 3]; rocsnr(SNRdB,'SignalType','NonfluctuatingNoncoherent','NumPulses',10)...

9年弱前 | 0

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Range and DOA for spherical wave
Phased Array System Toolbox does not have that particular algorithm. However there is an example on localization that uses corre...

9年弱前 | 0

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Call elements with different ending in a loop
Here is a post you may find useful <https://www.mathworks.com/matlabcentral/answers/143-how-do-i-make-a-series-of-variables-a...

9年弱前 | 3

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dsp.FIRRateConverter has unexpected results
Is there any reason your up and down converter factor is 8 and 2 instead of 4 and 1? Based on the documentation at <https://w...

9年弱前 | 0

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Vectorize a simple code
I don't know what dimensions you have in |C|, but this looks like D = conv2(A,B); Maybe you can use D = D(1:size(C,...

9年弱前 | 2

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Logical statement applicable to entire matrix
You can try while all(delta_Cd(:) < tolerance) HTH

9年弱前 | 0

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"mfilt.firsrc will be removed in a future release"
What PersistentMemory does is to keep the state in the filter so if the data is streamed in, it would filter properly as if the ...

9年弱前 | 1

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Automated Driving System Toolbox - 'radarDetectionGenerator' create radar with differernt launch waveforms
The radarDetectionGenerator is statistics based. If you want to simulate the I/Q data using different waveforms, you will need t...

9年弱前 | 0

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Sensor array analyzer application data recovery
You can obtain the steering vector by constructing the following array based on your configuration array = phased.URA('Elem...

約9年前 | 1

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Why fft amplitude changes when the signal's length changes?
This is because |fft| by default does not normalize the power. You can think the result of |fft| is adding signal samples togeth...

約9年前 | 0

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How do I find the column indices of values in matrix that are not zero, for each row.
Because each line may have different number of nonzero entries. You can use cell array to do this, like for l = 1:size(Ga...

約9年前 | 1

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Orthogonal Beamforming for ULA in U Space
You may want to use u = -1:2/N:1 instead. Otherwise, your |u| is larger than 1 and |acos| is expected to give the comple...

約9年前 | 0

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Problem with custom antenna magnitude response import
The magnitude and phase patterns are meant to be field patterns, not directivity patterns. Note that directivity has no phase so...

約9年前 | 0

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Undefined variable "comm" or class "comm.RaisedCosineTransmitFilter".
You need Communications System Toolbox license to use comm.RaisedCosineTransmitFilter. You can use >> ver to see if you...

約9年前 | 0

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Parameters in the ADAS slexFMCWMultiTargetsDOAExample
Could you clarify what you saw? If you execute the lines you listed above in the command window and run |slexFMCWMultiTargetsDOA...

約9年前 | 0

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How can I assign a variabe name for 10 jpg files in a for loop?
Something like this might work for you for m = 1:10 filename = sprintf('A%03d.jpg',m); imread(filename,'jpg'...

約9年前 | 0

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how much is the toolbox dependent upon the 'recommended' support toolboxes ?
If it's a recommended product, it means that you don't have to have it. But you may need it depending on your application or wor...

約9年前 | 1

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how to modulate a complex time domain signal to a carrier frequency
You need to rescale your frequency axis. The PSD is on the occupied bandwidth so if you have a carrier, it will be the bandwidth...

約9年前 | 0

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how to solve tan(x)-tanh(x)=0
Try fzero(@(x)tan(x)-tanh(x),-2) This uses anonymous function instead. HTH

約9年前 | 0

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Spatial smoothing for 2D array
The spatial smoothing implementation has a lot to do with how the subarrays are divided. For a linear array, although not a must...

約9年前 | 0

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How to find row/column indices having all values NaN?
If |x| is your matrix, do you mean find(all(isnan(x),2)) or find(all(isnan(x),1)) HTH

約9年前 | 4

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Matlab Function block code
I think you can use |persistent| variable to set a flag in the function block. If the input is ever 0, then you just ignore the ...

約9年前 | 1

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How to set the received signal in DoA algorithm?
Looks like you didn't add any noise so the AIC errors out. You can just add some noise, like Y = Y + sqrt(npow/2)*(randn(si...

約9年前 | 1

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