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Can I design speaker array and measure the distribution of sound field in the Phased Array System Toolbox?

You can build a round array in Phased Array System Toolbox, but I'm not familiar with acoustic vortices. Do you have a reference...

Can I design speaker array and measure the distribution of sound field in the Phased Array System Toolbox?

You can build a round array in Phased Array System Toolbox, but I'm not familiar with acoustic vortices. Do you have a reference...

約5年 前 | 0

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Get Directivity Values From phased.URA

If you want directivity values for all angles, you can just simply do D = pattern(sar_array, F(1), 'PropagationSpeed', PS, 'Typ...

Get Directivity Values From phased.URA

If you want directivity values for all angles, you can just simply do D = pattern(sar_array, F(1), 'PropagationSpeed', PS, 'Typ...

5年以上 前 | 1

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Spectrum cannot be calculated

From the figure, it seems to suggest that your data is complex but your block is set to compute one sided spectrum. I think you ...

Spectrum cannot be calculated

From the figure, it seems to suggest that your data is complex but your block is set to compute one sided spectrum. I think you ...

5年以上 前 | 0

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Trouble understanding "Lags" for Cross Correlation

1 lag is essentially 1 sample, so how much time it represents depends on your sample rate. In your case, since for 10 sec data y...

Trouble understanding "Lags" for Cross Correlation

1 lag is essentially 1 sample, so how much time it represents depends on your sample rate. In your case, since for 10 sec data y...

5年以上 前 | 0

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Multistatic radar simulation in Phased Array Toolbox

Yes Phased Array System Toolbox can model such scene. You can see a bistatic polarimetric radar example at https://www.mathwork...

Multistatic radar simulation in Phased Array Toolbox

Yes Phased Array System Toolbox can model such scene. You can see a bistatic polarimetric radar example at https://www.mathwork...

5年以上 前 | 0

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Simulation of Clutter Affected by Transmitting Weight

Thanks for the post, this is indeed a gap in the toolbox. We'll try to provide this capability in the future. What release are y...

Simulation of Clutter Affected by Transmitting Weight

Thanks for the post, this is indeed a gap in the toolbox. We'll try to provide this capability in the future. What release are y...

5年以上 前 | 0

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Inverse Direction of Arrival Estimation

If you are sure that Range-Azimuth is obtained via a 1-D FFT, then you can just do an inverse FFT, as long as you have the origi...

Inverse Direction of Arrival Estimation

If you are sure that Range-Azimuth is obtained via a 1-D FFT, then you can just do an inverse FFT, as long as you have the origi...

5年以上 前 | 1

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Phased Array Systems Toolbox

X is probably not a matrix. If you can provide more info regarding the data matrix, that will help us understand the problem bet...

Phased Array Systems Toolbox

X is probably not a matrix. If you can provide more info regarding the data matrix, that will help us understand the problem bet...

5年以上 前 | 0

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Max value of each vector in a 3D hyperspectral data matrix

Let's say xc is your datacube, does [z_max,z_ind] = max(xc,[],3) satisfy your needs? HTH

Max value of each vector in a 3D hyperspectral data matrix

Let's say xc is your datacube, does [z_max,z_ind] = max(xc,[],3) satisfy your needs? HTH

5年以上 前 | 0

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Using System Objects in complex programs (DSP)

Yes you can do it, there are many shipping System objects that do this. This is essentially done the same as a regular class. H...

Using System Objects in complex programs (DSP)

Yes you can do it, there are many shipping System objects that do this. This is essentially done the same as a regular class. H...

5年以上 前 | 0

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Difference between no steering and steervec in 0, 0 ?

Could you share how you invoke the two interfaces? From what you described? The two interfaces is a bit different in array defin...

Difference between no steering and steervec in 0, 0 ?

Could you share how you invoke the two interfaces? From what you described? The two interfaces is a bit different in array defin...

5年以上 前 | 0

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Hi. I have to create an FMCW signal, transmit, receive and mix them to get the IF signal, and inturn get the radar 2D matrix for post processing. But I my 2nd FFT doesnt give the correct value of velocity.

The following example might be helpful to you https://www.mathworks.com/help/phased/examples/automotive-adaptive-cruise-contro...

Hi. I have to create an FMCW signal, transmit, receive and mix them to get the IF signal, and inturn get the radar 2D matrix for post processing. But I my 2nd FFT doesnt give the correct value of velocity.

The following example might be helpful to you https://www.mathworks.com/help/phased/examples/automotive-adaptive-cruise-contro...

5年以上 前 | 0

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Is there any code for spatial spectrum in ESPRIT algorithm?

ESPRIT does not estimate the direction of arrival from spatial spectrum, thus the function currently does not generate the spati...

Is there any code for spatial spectrum in ESPRIT algorithm?

ESPRIT does not estimate the direction of arrival from spatial spectrum, thus the function currently does not generate the spati...

5年以上 前 | 1

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Is there an alternative for kalman filter

For a linear system, a linear Kalman filter is probably enough. There is also a simpler form of Kalman filter called alpha-beta ...

Is there an alternative for kalman filter

For a linear system, a linear Kalman filter is probably enough. There is also a simpler form of Kalman filter called alpha-beta ...

5年以上 前 | 0

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Are there any matlab functions to calculate E,H-plane beamwidths for a rectangular phased array?

You can use polarpattern to plot the pattern in the two planes and measure the beamwidth. HTH

Are there any matlab functions to calculate E,H-plane beamwidths for a rectangular phased array?

You can use polarpattern to plot the pattern in the two planes and measure the beamwidth. HTH

5年以上 前 | 0

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Beamsteering With Custom Elements Without Phased Array Toolbox

What you described to me looks like what you will be able to achieve with SteeringVector, or more precisely ArrayResponse. You m...

Beamsteering With Custom Elements Without Phased Array Toolbox

What you described to me looks like what you will be able to achieve with SteeringVector, or more precisely ArrayResponse. You m...

5年以上 前 | 0

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Getting the complex antenna response in the antenna library?

Is this what you mean? https://www.mathworks.com/help/antenna/ref/ehfields.html Or alternatively, if you want it to be in far ...

Getting the complex antenna response in the antenna library?

Is this what you mean? https://www.mathworks.com/help/antenna/ref/ehfields.html Or alternatively, if you want it to be in far ...

5年以上 前 | 0

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How to update patternCustom plots

Since magE is CData, you can just do h = patternCustom(magE,theta,phi); h.CData = newMagE; HTH

How to update patternCustom plots

Since magE is CData, you can just do h = patternCustom(magE,theta,phi); h.CData = newMagE; HTH

5年以上 前 | 1

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Periodogram of sinusoid: why power is -6 dB instead of -3 dB?

The periodogram shows the power density. The magnitude at those frequency for a sinusoid is 1/2, so the power is 1/4, which corr...

Periodogram of sinusoid: why power is -6 dB instead of -3 dB?

The periodogram shows the power density. The magnitude at those frequency for a sinusoid is 1/2, so the power is 1/4, which corr...

5年以上 前 | 0

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How can I know the period of a FMCW?

You may be able to use phased.LinearFMWaveform to achieve this. FMCW waveform is set to be without the idle time. HTH

How can I know the period of a FMCW?

You may be able to use phased.LinearFMWaveform to achieve this. FMCW waveform is set to be without the idle time. HTH

5年以上 前 | 0

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How can I load Phased Array System Toolbox to my trial Matlab?

There is a trial software link on the product home page. https://www.mathworks.com/products/phased-array.html HTH

How can I load Phased Array System Toolbox to my trial Matlab?

There is a trial software link on the product home page. https://www.mathworks.com/products/phased-array.html HTH

5年以上 前 | 0

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Angle of Arrival for UCA

You may want to take a look at root MUSIC algorithm provided in Phased Array System Toolbox https://www.mathworks.com/help/phas...

Angle of Arrival for UCA

You may want to take a look at root MUSIC algorithm provided in Phased Array System Toolbox https://www.mathworks.com/help/phas...

5年以上 前 | 0

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Adaptive beamforming using LMS

Hi Mirza, Thanks for requesting these features, we'll look into it.

Adaptive beamforming using LMS

Hi Mirza, Thanks for requesting these features, we'll look into it.

5年以上 前 | 0

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scale factor for constantGammaClutter model in phase array toolbox

The magnitude is determined by many factos, like the power and the value of gamma parameter. In addition, if your altitude is hi...

scale factor for constantGammaClutter model in phase array toolbox

The magnitude is determined by many factos, like the power and the value of gamma parameter. In addition, if your altitude is hi...

5年以上 前 | 0

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Relationship between noise power in a Band-Limited White Noise block VS Variance in a Random Number block

You may want to look at the Algorithm section of the following doc page https://www.mathworks.com/help/simulink/slref/bandlimit...

Relationship between noise power in a Band-Limited White Noise block VS Variance in a Random Number block

You may want to look at the Algorithm section of the following doc page https://www.mathworks.com/help/simulink/slref/bandlimit...

5年以上 前 | 3

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Beamforming with FFT not showing Grating Lobes

This is because when you use FFT, by definition FFT covers only between 0 to 2pi. But when you have an element spacing of severa...

Beamforming with FFT not showing Grating Lobes

This is because when you use FFT, by definition FFT covers only between 0 to 2pi. But when you have an element spacing of severa...

5年以上 前 | 0

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Problem in the initFcn callback of model

When you say that you rewrote the init function, did you overwrite it? If so, it should use the same one. You can certainly rena...

Problem in the initFcn callback of model

When you say that you rewrote the init function, did you overwrite it? If so, it should use the same one. You can certainly rena...

5年以上 前 | 0

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IMU sensor fusion viewer "HelperOrientationViewer"

You may have to open the example in MATLAB and click the "Open Example" button. That will copy all necessary helper functions in...

IMU sensor fusion viewer "HelperOrientationViewer"

You may have to open the example in MATLAB and click the "Open Example" button. That will copy all necessary helper functions in...

5年以上 前 | 1

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Variable measurement length for trackingEKF

Could you elaborate what kind of system you are trying to model? In general the dimension of the measurement doens't change over...

Variable measurement length for trackingEKF

Could you elaborate what kind of system you are trying to model? In general the dimension of the measurement doens't change over...

5年以上 前 | 0

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delay and sum beamforming

Have you tried phased.PhaseShiftBeamformer? That would perform delay and sum beamforming for you. HTH

delay and sum beamforming

Have you tried phased.PhaseShiftBeamformer? That would perform delay and sum beamforming for you. HTH

5年以上 前 | 0