Réponse apportée
phased replicated subarrays with different phases on each subarray
The steering of the entire array is divided into two parts. The first parts is the weights at the subarray level, that's where y...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
Is the stepped frequency bandwidth calculation in the phased array toolbox correct?
Could you clarify the burst bandwidth computation? I would be interested if you could point me to a reference. The stepped F...

plus de 9 ans il y a | 0

Réponse apportée
how to provide PMUSIC function an autocorrelation matrix
Your equation looks fine, but if you only has one 12-element vector for the data, then the algorithm cannot work properly becaus...

plus de 9 ans il y a | 1

| A accepté

Réponse apportée
"Undefined function 'times' for input arguments of type 'channel.rician'" error on MATLAB, how to fix it?
You don't want to multiply the channel with the signal. Instead, you want to filter the signal with the channel, like the follow...

plus de 9 ans il y a | 0

Réponse apportée
Beamforming with microphone arrays
Looks like you are using an older version of the toolbox. Which release are you using? Instead of using pattern(h,carrierF...

plus de 9 ans il y a | 2

| A accepté

Réponse apportée
Use objects of class 'ConstantGammaClutter' only as scalars or use a cell array
This is not about the cell array since there is only one clutter object. It is really because you are using R2015b so the new sy...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
phased replicated subarrays with different phases on each subarray
Currently the capability of pointing the subarrays to different directions is not available in phased.ReplicatedSubarray and pha...

plus de 9 ans il y a | 2

Réponse apportée
Antenna Manifold or Amplitude Weights
Array manifold is sometimes used as a synonym of steering vector, so without looking at the data itself, I think it's possible t...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
How to separate signals from different directions
The result you see is due to the symmetry of the array. You can think the array as a spatial filter. For a ULA, it can distingui...

plus de 9 ans il y a | 2

| A accepté

Réponse apportée
This is concerning the phased.ura documentation and row - Y vs col - Z
I think the figure is correct as it shows 32 rows and 16 columns. When the document says the rows are along y axis, it means the...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
Polarplot in dB.
You need to be careful about dB values as they might be negative. So you need to preprocess it to make it all positive before pl...

plus de 9 ans il y a | 3

| A accepté

Réponse apportée
How do I codegen rand() so the seed is set off the clock, or otherwise not the same every time?
There are some relevant discussions here <https://www.mathworks.com/matlabcentral/answers/104306-why-does-my-compiled-rand-fu...

plus de 9 ans il y a | 1

Réponse apportée
How to design a Directional BPF?
To achieve spatial component, you need to have the measurement in the spatial direction too. So it's actually filters in two dim...

plus de 9 ans il y a | 0

Réponse apportée
is there a function 'helperRadarPulsePlot(rxpulses,threshold,... fast_time_grid,slow_time_grid,num_pulse_plot);' in matlab 2013a
This is a helper function used in the example of Designing a Basic Monostatic Radar. The example ships in R2013a so you should b...

plus de 9 ans il y a | 0

Réponse apportée
when i am running the line of sensor motion in matlab i see an error in the command window can anyone solve it
I'm assuming this is a follow up for <http://www.mathworks.com/matlabcentral/answers/313199-how-to-run-phased-platform-in-201...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
the attenuation due to rainfall calculated by function "rainpl" is different from ITU-R.838
The plot you see is in dB scale, that's why it does not look like a linear model, but it is indeed linear. I'm not familiar ...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
About "Designing a Basic Monostatic Pulse Radar"
There is a setting in the channel that you can check to simulate the two way propagation. That's what the example did. In simula...

plus de 9 ans il y a | 1

| A accepté

Réponse apportée
Repeat rows in a matrix
B = kron(A(1:22:end,:),ones(22,1))

plus de 9 ans il y a | 0

Réponse apportée
how to convert spherical coordinate to cartesian in DoA algorithm?
Not sure what you mean by "too many azimuth and elevation values". According to your settings, you should only get one set of az...

plus de 9 ans il y a | 1

| A accepté

Réponse apportée
How to set the distance in DOA algorithm?
Could you elaborate which algorithm you are trying to use? The assumption for DOA algorithms in Phased Array System Toolbox is t...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
How do you incorporate the unique patterns of each antenna in and array into the overall steering vector calculation (using Antenna and Phased Array toolboxes)?
You can use HeterogeneousConformalArray in Phased Array System Toolbox to model arrays with unique patterns for each element. Yo...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
Computing cross-ambiguity using ambgfun
Although |ambgfun| function has been available since v1, the cross ambiguity function capability is added in R2016b. That's why ...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
How to decide on the sweep time of FMCW radar?
The sample rate is determined by the signal bandwidth. If you want to simulate the propagated signal, then for a complex baseban...

plus de 9 ans il y a | 1

Réponse apportée
Phased Array System Toolbox
Could you elaborate a bit more what functions you are using? Phased Array System Toolbox has a set of functions that works only ...

plus de 9 ans il y a | 1

| A accepté

Réponse apportée
covariance matrix from a random vector?
|cov| should be the function you use, what about it makes you confusing?

plus de 9 ans il y a | 1

| A accepté

Réponse apportée
Number of leading zeroes as a variable
y = 6; z = 13; sprintf(['%0' num2str(y) 'g'],z)

plus de 9 ans il y a | 0

Réponse apportée
I have a code that has to be run using the communication system toolbox , I've downloaded the toolbox and I think ive installed it , but when i run the code , it doesnt sense any keyword . Please help . Thanks in Advance !
That example also requires Phased Array System Toolbox in case you didn't realize that. HTH

plus de 9 ans il y a | 0

Réponse apportée
can anybody tell me the code for time series of backscatterer radar wave?
Part of the following demo shows how to model the radar return with three targets. <https://www.mathworks.com/help/phased/exa...

plus de 9 ans il y a | 1

Réponse apportée
Matlab filter into simulink filter
You can consider using realizemdl(d_LPF) and then pass the signal through the generated filter. The doc can be found at ...

plus de 9 ans il y a | 1

| A accepté

Réponse apportée
I have found negative value of SNR(in dBc) of an ECG signal by using spectrum analyzer block in simulink.Is it correct?
That is normal. A negative dBc value simply means that the signal is weaker than the carrier. HTH

plus de 9 ans il y a | 1

| A accepté