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What is the reason for choosing a rectangular pulse as an incoming signal?
There is no particular reason. Certainly the sine wave will work if the focus is just on the beamforming algorithm itself. In de...

más de 8 años hace | 0

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What are the values used for initialization of matrices in kalman filter algorithm?
What is your 2D motion model? All these parameters depend on your motion model so there is not a common setting for all situatio...

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How can i get the exact peak point on music algorithms?
Not sure I understand exactly what you question, are you saying you have a MUSIC spectrum and want to find the peak location? If...

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Collector for Uniform Linear Array
You may be using an older release where the using the class name to do a function call is not supported yet, could you try the f...

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Why i can't plot a spectrum of a rectangular window function?
There is a mistake in your plotting command. Because the spectrum is in frequency domain, you need to have a frequency axis inst...

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Complementery and barker code
Here is a radar example for using PhaseCodedWaveform. <https://www.mathworks.com/help/phased/ug/basic-radar-using-phase-code...

más de 8 años hace | 0

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collect 400 samples from a LFM (5MHz bandwidth) signal modulated on 18GHz
Your sampling rate is set at fs, which is about 20 MHz, this means your Nyquist is about 10 MHz, regardless what your carrier is...

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How to generate complex envelop signal using chirp function
One way to get the complex chirp is to form analytical signal, e.g., f1 = 0; f2 = 10; t = 0:0.01:1; xi = chirp(t,f1,...

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How to shift a filter into higher frequency band?
The following link may be helpful to you <https://www.mathworks.com/help/dsp/examples/complex-bandpass-filter-design.html> ...

más de 8 años hace | 1

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rotate elements in phase.ConformalArray
Phased Array System Toolbox currently does not have a parameter for this. Thanks for the question and I'll take note for the req...

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Hi, How to plot the output signal from "Narrowband Transmit Array" block?
What information are you trying to plot? The output of transmit array block are signals in time domain, the directional informat...

más de 8 años hace | 0

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How to include element response in collectPlaneWave
I'm not an expert on CBSA, but steering vector computation does seem to account for the element response. When I ran your exampl...

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using antenna element designed from Antenna Toolbox in Phased Array Toolbox
You can just do something like ant = dipole; antarray = phased.ULA('Element',ant); HTH

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Uniform Circular Array - Consist of 4 Half wave Dipole Antenna
Could you elaborate what is wrong with the result? The code runs without any issue so I'm not sure what issue you ran into. Note...

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View helix elements the viewArray
This currently not supported in Phased Array System Toolbox, We'll look into if this can be added in the future. Thanks.

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How to access 'TextBox' in viewArray figure
Once you run |viewArray|, you can do findall(gcf,'Type','TextBox') It should return the all text boxes in the figure and...

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Where to find the phased.URA steering vector equation
You can find the general equation here at <http://www.antenna-theory.com/arrays/arrayfactor.php> There is a one to one map...

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Move phased.conformalArray phase reference center
For a conformal array, you define the position of each element in an [x;y;z] format, then there is an implicit origin for these ...

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how to use sprintf with fullfile
Might be because sprintf('%d%02d.txt',i) You specified two formats but only one input. Maybe one of them is not needed?...

más de 8 años hace | 1

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Assigning multiple variables vectors from a cell array
I would just do the following and then access them using 3rd indices reshape(cell2mat(cellArray),[size(cellArray{1}) length...

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How to build the following vectors
Not sure I understand the rule for the first one, but here is my guess [-2:2, 5:5:35] and for the second one 4.5:-0...

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Help needed plotting a graph
You need to use ./, like y=sin(x).^2./x.^2 HTH

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x,y,z plot and temperature
Is it something like this? x = rand(100,1); y = rand(100,1); z = rand(100,1); t = rand(100,3); scatter3(x,y,z,2...

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what is the difference between hold and plot of two curves in the same figure ?
If that's all you need, for the practical purpose, there isn't much difference. However, the internal settings in the two figure...

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Repeating a row vector in MATLAB until it reaches a specified length.
Here is one way to do it k_new = k(mod(0:length(j)-1,length(k))+1) HTH

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Documentation or code details of signal.internal.getToneFromPSD that was called in snr.m
It is in the internal package, as indicated by the name signal.internal.*. This means that the function is only intended for int...

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Generate portion of circular array elements
You can do both. You can either compute the position and normal of these elements and put them in a ConformalArray, see the firs...

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Why do I get the error "Too many input arguments"
It should just be x0=filter(LPF0,x); the coefficients is already in LPF0. HTH

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how to turn off the legend in Phased array Pattern
Once you get the plot, you can just do legend off HTH

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