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Remove back lobe in ArraySynthesisExample.m
Hi Chris, I'm not sure what you mean here but it seems that you are using an isotropic element. Therefore, the lobe is genera...

10년 초과 전 | 0

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Array Pattern Synthesis: is first plot not correct?
Hi Chris, This is because in setting up the antennas, the example used a very crude way to remove the response at the back by...

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fdatool generates coefficients in s domain or z domain?
In general FDATool creates digital filters so they are in z domain.

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Question regarding Antenna toolbox example provided by mathworks ( beam pattern)
The example actually belongs to Phased Array System Toolbox, not Antenna Toolbox. 1. These are columns 2. wn is the steeri...

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Acoustic Beamforming using Microphone Array : Recorded Multi Channel Audio
Are you using one wav file for all four channels? For beamformers to work, you will need four separate signals from each microph...

10년 초과 전 | 0

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How can I create a simple two antenna Tx/Rx chain in Time Domain with Propagation delay, antenna bandwidth, and polarization effects?
Hi Mathew, Maybe you want to take a look at Phased Array System Toolbox and see if it can address some of your needs. http...

10년 초과 전 | 0

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Using xcorr to cross correlate data that contains "spikes"
You may want to use xcorr(x, y, 'coeff') instead. You will get a higher peak simply because your inserted random numbers...

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clarification regarding custom Antenna's "Radiation pattern"
Hi Chris, your guess regarding the frequency response is right. It is essentially a simple way to specify the pattern across the...

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Possible to obtain bistatic clutter model?
Unfortunately there is no bistatic clutter model in Phased Array System Toolbox at this point. Is there any particular model you...

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SENSORSIG function Matlab HELP
The |sensorsig| function produces a random test signal each time you invoke it. The only thing it does is to modulate the signal...

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cross correlation between a noise signal and a determined signal
Did you see the scale? When I run your code, the correlation is at the order of 10^-3, I'd say it's fairly small. HTH

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Question about FMCW radar matlab code
The following demo may be helpful http://www.mathworks.com/help/phased/examples/automotive-adaptive-cruise-control-using-fmcw...

10년 초과 전 | 0

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How to implement concentric circular array using matlab???
Please refer to the example at http://cn.mathworks.com/help/phased/examples/phased-array-gallery.html There is an concentr...

10년 초과 전 | 1

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FIR Filter in Simulink
The following function may be helpful to you, it can also be invoked form MATLAB command line http://www.mathworks.com/help/d...

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fft2 - how does it work
I'm a bit confused by your question, there is no fft2 in your code. All you do is fft along columns. Also for your code, if I ch...

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How CALL SIMULINK Block from M.file ?
You can use |sim| command http://www.mathworks.com/help/simulink/ug/using-the-sim-command.html

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Why drawnow ; is given after imshow in matlab?
This is used to flush the graphic queue so you can see the change on screen. This is often used in animation so you can see the ...

10년 초과 전 | 0

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how to program a delay sum beamformer for a specific target direction
You can use phased.TimeDelayBeamformer to do this if you have access to Phased Array System Toolbox. http://www.mathworks.com...

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Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

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Data Regularization
Provided is an m-by-n integer data matrix A whose elements are drawn arbitrarily from a set *S* = [1,2,3,...,S] for any large in...

10년 초과 전

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Why the radiated power from an array is not dependent on the antenna gain rather it depends on the antenna power pattern ?
Hi Raza, Sorry I didn't see this this one before, I believe we've covered this one in the following thread. I just want to pu...

10년 초과 전 | 0

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What are the underline assumptions while drawing the PowerPattern of an array in PlotResponse ?
Hi Raza, The power pattern can be considered as plotted on the surface of a sphere. The radius doesn't matter too much as lon...

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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

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Compute the step response of a DC motor
Compute the step response of a DC motor shown below <<http://blogs.mathworks.com/images/seth/cody/dc-motor.png>> The param...

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Model a simple pendulum
Model a simple pendulum of length 200cm with bob of mass 100g and plot the position in degrees. The pendulum starts at 30 degree...

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Produce a Fibonacci sequence
Construct a diagram that generates the Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13, 21, 34.....up to 377 The Fibonacci sequ...

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Make a low pass filter
Make a first order low pass filter that will filter out the high frequency oscillations for the given input signal. The cut-off ...

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Model a falling body
An object is falling freely from a height of 22 meters under the force of gravity. <<http://blogs.mathworks.com/images/seth/c...

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Model a mass spring system
Model an ideal mass-spring system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/images/se...

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What is the total power radiated from an antenna element in Matlab phased array toolbox ?
Hi Raza, Prad is the total power computed from the pattern but there is no guarantee that the sum needs to be 4*pi. In fact, ...

10년 초과 전 | 1