Beantwortet
Collector for array formed of replicated subararrays
They do consider the gain at different angles. As to the input, you may want to check with your setting in array. Did you turn ...

etwa 4 Jahre vor | 0

| akzeptiert

Beantwortet
matlab which filtfilt function handles filter objects
The filtfilt that handles a filter object will be a method on the filter object. For example, you can find filtfilt() method in ...

etwa 4 Jahre vor | 1

| akzeptiert

Beantwortet
Building Radar Data Cube
For FMCW, after phased.ReceiverPreamp, that's the raw signal. You will need to mix it with the transmitted signal and then do an...

mehr als 4 Jahre vor | 0

Beantwortet
How to get received signal at the carrier when use Phased Array ToolBox
Phased Array System Toolbox models the signal as a complex baseband representation. Normally a signal occupies certain bandwidth...

mehr als 4 Jahre vor | 0

Beantwortet
Phased.RadarBackScatteringTarget be used in bistatic configuration
Bistatic and monostatic RCS is a bit different in the sense that bistatic RCS not only depends on the incident angle, but also d...

mehr als 4 Jahre vor | 0

Beantwortet
LinearFM Target Range Detection with Matched Filter Error
You forgot to set the sample rate in channel accordingly. Replace your channel definition as channel = phased.FreeSpace('Propag...

mehr als 4 Jahre vor | 1

| akzeptiert

Beantwortet
Beamforming using custom phases for each array element.
Like you said, you can use custom tapering on elements. Just convert the phase to the corresponding complex number and specify i...

mehr als 4 Jahre vor | 0

Beantwortet
phased.freespace channel multiple targets
What are dimensions of your inputs to the object? You may need to match the number of input signal to number or targets. HTH

mehr als 4 Jahre vor | 0

Beantwortet
how to simulate radar echo signal with time delay and doppler shift?
These examples in Phased Array System Toolbox mahy be a good start. https://www.mathworks.com/help/phased/examples/designing-a-...

mehr als 4 Jahre vor | 1

Beantwortet
generating matched filter for a rectangular pulse waveform
In general matched filter is the conjugated time reversal of the waveform, like y = conv(x,conj(flip(x))) HTH

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
How to save the previous figure generated by function'step(H,x)'
The constellation diagram is workig as expected. The object enables you to overwrite the plot over time so you can see how the c...

mehr als 4 Jahre vor | 0

Beantwortet
How can I get the phase of a ConformalArray
Could you elaborate what you mean by having steering vector as an input? In your pattern() call, the steering vector (I assume t...

mehr als 4 Jahre vor | 0

Beantwortet
Shnidman’s equations
In this case you can use shnidman to compute the SNR as a functionof N and then plot it manually, e.g. N = 1:50; Pd = 0.98; P...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
Can I use my own model in "trackingimm"
Yes you can. You need to provide your own motion model update/measurement functions as well as a function switching the state be...

mehr als 4 Jahre vor | 1

| akzeptiert

Beantwortet
2D beamforming simulation
First of all, I don't think elevation is changing. This plot is in spherical coordinates, so the surface is curved, but the colo...

mehr als 4 Jahre vor | 0

Beantwortet
Delay-Sum Beam-forming
The following page contains some relevant information and can be a good starting point. https://www.mathworks.com/help/phased/b...

mehr als 4 Jahre vor | 0

Beantwortet
How to model a rotating target ?
The following example may give you some ideas. https://www.mathworks.com/help/phased/examples/introduction-to-micro-doppler-ef...

mehr als 4 Jahre vor | 0

Beantwortet
Antenna Toolbox Directivity Appears To Saturate
Your array has more than 100 thousand elements so it's very large. Therefore, the calculation probably missed the narrow beam. A...

mehr als 4 Jahre vor | 0

Beantwortet
How can I find the incident angle of a 4x4 array that is divided from 1 Tx and 1 Rx channel using Phased Array Toolbox?
If all you care is just this 4x4 array, then you may just want to use a regular URA. It's not clear why you opt in a Partitioned...

mehr als 4 Jahre vor | 0

Beantwortet
phased array toolbox.
Yes this can be done. You can look at some examples in following pages to see how to transmit and receive with steering https:/...

mehr als 4 Jahre vor | 0

Beantwortet
How to add regular sine wave in phased array toolbox?
Could you clarify your use case? Although there is no regular sine in Phased Array System Toolbox, but you can use sin() functio...

mehr als 4 Jahre vor | 0

Beantwortet
How can I use replicated subarrays and still set individual taper and phases?
If you set SubarraySteering to Custom, it means you want to control each element individually, thus you need to provide a weight...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
How to introduce phase error into phased array
You can do somethign like this to simulate a phase error uniformly distributed within +/- 2.5 degrees in each element. pherr_de...

mehr als 4 Jahre vor | 0

Beantwortet
phased array mag2db
Thanks for the suggestion, we will look into this.

mehr als 4 Jahre vor | 0

Beantwortet
How can i fix this problem "Undefined function 'Taylor' for input arguments of type 'double'."
Looks like you are using a function from the book so you may want to find the function from the disc or download. You should als...

mehr als 4 Jahre vor | 0

Beantwortet
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...

fast 5 Jahre vor | 0

Beantwortet
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...

fast 5 Jahre vor | 1

| akzeptiert

Beantwortet
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 ...

fast 5 Jahre vor | 0

Beantwortet
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...

fast 5 Jahre vor | 0

| akzeptiert

Beantwortet
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...

fast 5 Jahre vor | 0

| akzeptiert