Answered

simulating RWR in R2016a

If you open the example in MATLAB and click "Open Example" button, all files assoicated with the example will appear in the temp...

simulating RWR in R2016a

If you open the example in MATLAB and click "Open Example" button, all files assoicated with the example will appear in the temp...

10 mois ago | 0

Answered

Possible to obtain ultra wide band monostatic radar model?

There is a wideband radar example at https://www.mathworks.com/help/phased/examples/modeling-a-wideband-monostatic-radar-in-a-m...

Possible to obtain ultra wide band monostatic radar model?

There is a wideband radar example at https://www.mathworks.com/help/phased/examples/modeling-a-wideband-monostatic-radar-in-a-m...

10 mois ago | 1

| accepted

Answered

reading at UCA elements

Why would you say taht at least one antenna should not receive the signal? You are using isotropic element in the array so every...

reading at UCA elements

Why would you say taht at least one antenna should not receive the signal? You are using isotropic element in the array so every...

10 mois ago | 0

| accepted

Answered

phased.RangeDopplerResponse axis scaling

The input of RangeDopplerResponse is a matrix reprsents fast time and pulses. Therefore, if you have a TDM MIMO radar, you can e...

phased.RangeDopplerResponse axis scaling

The input of RangeDopplerResponse is a matrix reprsents fast time and pulses. Therefore, if you have a TDM MIMO radar, you can e...

10 mois ago | 0

| accepted

Answered

How to simulate automotive radar?

Have you looked at the following example? Would that be at the level you are interested? https://www.mathworks.com/help/phased/...

How to simulate automotive radar?

Have you looked at the following example? Would that be at the level you are interested? https://www.mathworks.com/help/phased/...

10 mois ago | 0

| accepted

Answered

constantGammaClutter function usage?

These are high level steps but they look ok. I don't quite understand the last step though. What do you mean by "output of the c...

constantGammaClutter function usage?

These are high level steps but they look ok. I don't quite understand the last step though. What do you mean by "output of the c...

10 mois ago | 0

Answered

Replicated.subarrays with taper

If you want to apply taper on the entire aperture, it might be easier to use the phased.PartitionedArray interface. You can then...

Replicated.subarrays with taper

If you want to apply taper on the entire aperture, it might be easier to use the phased.PartitionedArray interface. You can then...

10 mois ago | 0

Answered

The sequence to call beamforming and receiver ?

In Phased Array System Toolbox, receiver models thermal noise at the receiving elements so beamformer should happen afterwards. ...

The sequence to call beamforming and receiver ?

In Phased Array System Toolbox, receiver models thermal noise at the receiving elements so beamformer should happen afterwards. ...

10 mois ago | 0

Answered

I want to learn the phased array antenna with Matlab

I would start with the following page https://www.mathworks.com/academia/student_version.html HTH

I want to learn the phased array antenna with Matlab

I would start with the following page https://www.mathworks.com/academia/student_version.html HTH

10 mois ago | 0

Answered

Linear 45 degrees polarized antenna element

In R2018b, there is no easy way to specify a 45-degree short dipole. The easier way to achieve that is probably combine the fiel...

Linear 45 degrees polarized antenna element

In R2018b, there is no easy way to specify a 45-degree short dipole. The easier way to achieve that is probably combine the fiel...

10 mois ago | 0

Answered

[Phased Array Toolbox] Modelling an unmodulated continuous wave radar

A radar system is probably modulated. Since the modeling is done in baseband, for a single frequency continuous wave, that will ...

[Phased Array Toolbox] Modelling an unmodulated continuous wave radar

A radar system is probably modulated. Since the modeling is done in baseband, for a single frequency continuous wave, that will ...

10 mois ago | 0

Answered

Do I need a receiver channel when I using ULA?

The receiver also models the thermal noise in the receiver. If you need to include that effect, then you should not skip the rec...

Do I need a receiver channel when I using ULA?

The receiver also models the thermal noise in the receiver. If you need to include that effect, then you should not skip the rec...

10 mois ago | 0

| accepted

Answered

How to use Signal Analyzer App inside of a script

Signal analyzer is capable of generating MATLAB script so you can run the script to accomplish what you did in the app. Maybe th...

How to use Signal Analyzer App inside of a script

Signal analyzer is capable of generating MATLAB script so you can run the script to accomplish what you did in the app. Maybe th...

11 mois ago | 0

Answered

Plot RangeAngleResponse of ACC Example

It looks like you are using the first part of your code to generate xr and then the second part to do range-angle processing? If...

Plot RangeAngleResponse of ACC Example

It looks like you are using the first part of your code to generate xr and then the second part to do range-angle processing? If...

11 mois ago | 0

Answered

parameters for backscatterRadarTarget and its target

For question 1, the answer is no. However, the RCS pattern is only defined within the range specified by azpatangs and elpatangs...

parameters for backscatterRadarTarget and its target

For question 1, the answer is no. However, the RCS pattern is only defined within the range specified by azpatangs and elpatangs...

11 mois ago | 1

| accepted

Answered

Why do "corr(x,y)" and "xcorr(x,y)" give different answers when x and y are simulated discrete samples of radar signals of form a*e^ib, with partially correlated randomized b values?

It would be helpful if you could provide a script showcasing the difference and explain why you think the two should be the same...

Why do "corr(x,y)" and "xcorr(x,y)" give different answers when x and y are simulated discrete samples of radar signals of form a*e^ib, with partially correlated randomized b values?

It would be helpful if you could provide a script showcasing the difference and explain why you think the two should be the same...

11 mois ago | 1

| accepted

Answered

can i discretise a transfer function in "butter" toolbox Matlab?

Could you explain what you mean by discreization? Using your syntax, the output of butter is already a digital filter so I don't...

can i discretise a transfer function in "butter" toolbox Matlab?

Could you explain what you mean by discreization? Using your syntax, the output of butter is already a digital filter so I don't...

11 mois ago | 0

| accepted

Answered

Duty cycle setting in phased.LinearFMWaveform

It will be helpful to show how you generated that plot. The duty cycle does not indicate how many pulses are there, it only sp...

Duty cycle setting in phased.LinearFMWaveform

It will be helpful to show how you generated that plot. The duty cycle does not indicate how many pulses are there, it only sp...

11 mois ago | 0

Answered

How to add noise to RangeAngleResponse in phased.array toolbox?

Here are my answers: The noise should be added in the raw signal. Normally the noise is not added on the range-Doppler response...

How to add noise to RangeAngleResponse in phased.array toolbox?

Here are my answers: The noise should be added in the raw signal. Normally the noise is not added on the range-Doppler response...

11 mois ago | 0

Answered

How to create a steering vector toward specify DOA?

Looks like you are trying to simulate the received signal? Yes it can be done, but you haven't provide any info about the array ...

How to create a steering vector toward specify DOA?

Looks like you are trying to simulate the received signal? Yes it can be done, but you haven't provide any info about the array ...

12 mois ago | 0

Answered

Why do signals differ in fdesign.fracdelay and dsp.VariableFractionalDelay?

Your dsp.VariableFractionalDelay is actually order 4. If you do vfd = dsp.VariableFractionalDelay('InterpolationMethod', 'Farro...

Why do signals differ in fdesign.fracdelay and dsp.VariableFractionalDelay?

Your dsp.VariableFractionalDelay is actually order 4. If you do vfd = dsp.VariableFractionalDelay('InterpolationMethod', 'Farro...

12 mois ago | 0

Answered

Where is the matlab code that outputs "RangeDopplerExampleData" in online Documentation: phased.RangeDopplerResponse System object; example "Range-Doppler Response of Pulsed Radar Signal Using Matched Filter" ?

That code is not available in the product. However, the example text does describe the setup of the simulation scene. With that ...

Where is the matlab code that outputs "RangeDopplerExampleData" in online Documentation: phased.RangeDopplerResponse System object; example "Range-Doppler Response of Pulsed Radar Signal Using Matched Filter" ?

That code is not available in the product. However, the example text does describe the setup of the simulation scene. With that ...

12 mois ago | 0

| accepted

Answered

How can I compute all the possible differences of the vectors in a matrix?

If you have Statistics Toolbox, you can try idx = flipud(combnk(1:4,2)) A(idx(:,1),:)-A(idx(:,2),:) HTH

How can I compute all the possible differences of the vectors in a matrix?

If you have Statistics Toolbox, you can try idx = flipud(combnk(1:4,2)) A(idx(:,1),:)-A(idx(:,2),:) HTH

12 mois ago | 0

Answered

Execute matrix in a "for loop"

Let's say your function is foo, you can do for ii = 1:size(m,2) y = foo(m(:,ii)); end HTH

Execute matrix in a "for loop"

Let's say your function is foo, you can do for ii = 1:size(m,2) y = foo(m(:,ii)); end HTH

12 mois ago | 0

| accepted

Answered

Composite System Object for Code Generation or use in Simulink

If you don't intend to change your Taps during the simulation, you may want to consider setting it as Nontunable, like prop...

Composite System Object for Code Generation or use in Simulink

If you don't intend to change your Taps during the simulation, you may want to consider setting it as Nontunable, like prop...

12 mois ago | 0

| accepted

Answered

How to plot multiple filter response on the same filter visualizer?

To get XData and YData of phase noise visualization, you can do the following pn = comm.PhaseNoise; h = visualize(pn); x = h....

How to plot multiple filter response on the same filter visualizer?

To get XData and YData of phase noise visualization, you can do the following pn = comm.PhaseNoise; h = visualize(pn); x = h....

12 mois ago | 0

| accepted

Answered

Filtering array of custom objects

You can probably try idx = arrayfun(@(x)strcmp(x.name,'foo'),stages); stages(idx); HTH

Filtering array of custom objects

You can probably try idx = arrayfun(@(x)strcmp(x.name,'foo'),stages); stages(idx); HTH

12 mois ago | 1

| accepted

Answered

How to interpret this PSD plot?

You may want to do a detrend in your signal to get rid of the peak at DC, like pwelch(detrend(signal),[],nSamples/2,nSamples,sa...

How to interpret this PSD plot?

You may want to do a detrend in your signal to get rid of the peak at DC, like pwelch(detrend(signal),[],nSamples/2,nSamples,sa...

12 mois ago | 0

Answered

How to plot multiple filter response on the same filter visualizer?

How do you describe your filter? The following example plots two filter responses in one figure and you should be able to do sim...

How to plot multiple filter response on the same filter visualizer?

How do you describe your filter? The following example plots two filter responses in one figure and you should be able to do sim...

12 mois ago | 0

Answered

Problem in 3D plot of clutter,jammer and target of radar

It seems that the jammer is along the a single angle. You have not provided any info regarding the clutter so I have no idea wha...

Problem in 3D plot of clutter,jammer and target of radar

It seems that the jammer is along the a single angle. You have not provided any info regarding the clutter so I have no idea wha...

12 mois ago | 1