Answered
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...

10 years ago | 0

| accepted

Answered
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...

10 years ago | 0

| accepted

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

10 years ago | 0

Answered
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...

10 years ago | 0

Answered
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...

10 years ago | 0

Answered
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...

10 years ago | 0

Answered
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...

10 years ago | 0

Answered
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...

10 years ago | 0

| accepted

Answered
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...

10 years ago | 0

| accepted

Answered
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...

10 years ago | 0

| accepted

Answered
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

10 years ago | 0

Answered
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...

10 years ago | 0

Answered
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...

10 years ago | 1

Answered
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...

10 years ago | 0

Answered
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...

10 years ago | 0

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

10 years ago | 0

Answered
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 ...

10 years ago | 0

Answered
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...

10 years ago | 0

Solved

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...

10 years ago

Solved

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...

10 years ago

Answered
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...

10 years ago | 0

Answered
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...

10 years ago | 0

Solved

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...

10 years ago

Solved

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...

10 years ago

Solved

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...

10 years ago

Solved

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...

10 years ago

Solved

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 ...

10 years ago

Solved

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...

10 years ago

Solved

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...

10 years ago

Answered
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, ...

10 years ago | 1