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parameters for backscatterRadarTarget and its target
For question 1, the answer is no. However, the RCS pattern is only defined within the range specified by azpatangs and elpatangs...

7年以上前 | 1

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Why do "corr(x,y)" and "xcorr(x,y)" give different answers when x and y are simulated discrete samples of radar signals of form a*e^ib, with partially correlated randomized b values?
It would be helpful if you could provide a script showcasing the difference and explain why you think the two should be the same...

7年以上前 | 3

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can i discretise a transfer function in "butter" toolbox Matlab?
Could you explain what you mean by discreization? Using your syntax, the output of butter is already a digital filter so I don't...

7年以上前 | 0

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Duty cycle setting in phased.LinearFMWaveform
It will be helpful to show how you generated that plot. The duty cycle does not indicate how many pulses are there, it only sp...

7年以上前 | 0

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How to add noise to RangeAngleResponse in phased.array toolbox?
Here are my answers: The noise should be added in the raw signal. Normally the noise is not added on the range-Doppler response...

7年以上前 | 1

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How to create a steering vector toward specify DOA?
Looks like you are trying to simulate the received signal? Yes it can be done, but you haven't provide any info about the array ...

7年以上前 | 0

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Why do signals differ in fdesign.fracdelay and dsp.VariableFractionalDelay?
Your dsp.VariableFractionalDelay is actually order 4. If you do vfd = dsp.VariableFractionalDelay('InterpolationMethod', 'Farro...

7年以上前 | 1

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Where is the matlab code that outputs "RangeDopplerExampleData" in online Documentation: phased.RangeDopplerResponse System object; example "Range-Doppler Response of Pulsed Radar Signal Using Matched Filter" ?
That code is not available in the product. However, the example text does describe the setup of the simulation scene. With that ...

7年以上前 | 0

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How can I compute all the possible differences of the vectors in a matrix?
If you have Statistics Toolbox, you can try idx = flipud(combnk(1:4,2)) A(idx(:,1),:)-A(idx(:,2),:) HTH

7年以上前 | 0

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Execute matrix in a "for loop"
Let's say your function is foo, you can do for ii = 1:size(m,2) y = foo(m(:,ii)); end HTH

7年以上前 | 0

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Composite System Object for Code Generation or use in Simulink
If you don't intend to change your Taps during the simulation, you may want to consider setting it as Nontunable, like prop...

7年以上前 | 0

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How to plot multiple filter response on the same filter visualizer?
To get XData and YData of phase noise visualization, you can do the following pn = comm.PhaseNoise; h = visualize(pn); x = h....

7年以上前 | 0

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Filtering array of custom objects
You can probably try idx = arrayfun(@(x)strcmp(x.name,'foo'),stages); stages(idx); HTH

7年以上前 | 1

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How to interpret this PSD plot?
You may want to do a detrend in your signal to get rid of the peak at DC, like pwelch(detrend(signal),[],nSamples/2,nSamples,sa...

7年以上前 | 0

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How to plot multiple filter response on the same filter visualizer?
How do you describe your filter? The following example plots two filter responses in one figure and you should be able to do sim...

7年以上前 | 0

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Problem in 3D plot of clutter,jammer and target of radar
It seems that the jammer is along the a single angle. You have not provided any info regarding the clutter so I have no idea wha...

7年以上前 | 1

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cross-correlation of two signal always shows unexpected 0 lag
You may want to try [r,lag] = xcorr(b-mean(b),c-mean(c),'coeff'); HTH

7年以上前 | 2

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What is the meaning of 'operatingFrequency' parameter for SubbandMVDRbeamforming in the context when input signal is not modulated?
Currently SubbandMVDRBeamformer assumes the signal is modulated so it performs narrowband MVDR in each subband. If the signal is...

7年以上前 | 0

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Sound Source detection with DOA Estimation, Using audio BIN files of real time drone flying activity
There is an example using GCC-PHAT algorithm in Phased Array System Toolbox, you can find it at https://www.mathworks.com/help/...

7年以上前 | 0

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Designing a filter from magnitude response plot
The following page is a good starting point for your task. https://www.mathworks.com/help/dsp/examples/arbitrary-magnitude-filt...

7年以上前 | 0

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How to check the state response and output response of a state space model
Here are some examples of exploring responses of a linear system <https://www.mathworks.com/help/control/examples/plotting-sy...

7年以上前 | 0

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Beamforming for DOA estimation
There are several examples on this topic using Phased Array System Toolbox here <https://www.mathworks.com/help/phased/exampl...

7年以上前 | 0

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FMCW radar for dynamic multitarget detection in matlab using triangular and sawtooth waveforms ?
There are several examples in Phased Array System Toolbox on automotive radar using FMCW and similar waveforms. You can find the...

7年以上前 | 0

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How we can give Delay in a clock ?
delayseq works on a vector, e,g., >> delayseq([1;0;1;0;1;0;1;0;1;0],0.004,250) >> ans = 0 1 0 1...

7年以上前 | 0

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Difference between size '[:140 x 1]' and 'size [140 x 1]'
I assume this is what you get in your code generation report? [:140x1] means that the signal is a column vector with an upper bo...

7年以上前 | 0

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Real-time Spectrum Analysis
You can use Spectrum Analyzer to do this. https://www.mathworks.com/help/dsp/ref/dsp.spectrumanalyzer-system-object.html ...

7年以上前 | 2

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units of waveforms phased array system toolbox
Yes, you can think of it as volts. The dB is always defined as 10*log10(W). HTH

7年以上前 | 0

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Several targets in phased.TwoRayChannel
From the surface, I would say MeanRCS needs to be made to a 1x2M vector as you outlined, but GroundReflectionCoefficient propert...

7年以上前 | 0

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Definition of ground reflection coefficient in phased.Tworaychannel
This is a valid equation and it could work. Since this is for parallel incidence, i.e., the signal is in the incidence plane, yo...

7年以上前 | 0

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Using a meshgrid or vector inside all function
You need to put global a in your cost function too. See the example in <https://www.mathworks.com/help/matlab/ref/g...

7年以上前 | 1

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