回答済み
about the amplitude of spectrum by fft
why do you say for sin(2*pi*t) the polarity is reversed? The theoretical equation has 1/(2*1i) as the scaling factor, so the res...

約12年前 | 1

| 採用済み

回答済み
Pwelch and accuracy/number of points
If you only need to get more points in pwelch plot, I think increasing the number of FFT points in |pwelch| should do the trick....

約12年前 | 0

| 採用済み

回答済み
Can filter function be replace by a fft/ifft operation?
I don't understand your approach of fft/ifft to filter the signal, so I cannot comment on that. But between |filter| and fft/iff...

約12年前 | 0

回答済み
Error using diff(X) command
You probably have a workspace variable named |diff|

約12年前 | 6

| 採用済み

回答済み
What are the frequencies when N in fft(x,N) is odd?
In general, you can do it as f = (0:N-1)*fs/N If you want to map it to negative frequencies if N is even f(N/2+1...

約12年前 | 4

| 採用済み

回答済み
Vectorized or Optimized Finite Low Pass Filter
If your signal is uniformly spaced, and if I understand correctly, your alpha can be pre-determined, then this can be done via ...

約12年前 | 0

| 採用済み

回答済み
How to build a filter from frequency response
You can use |fdesign.arbmag| to do this. The reference page has several examples. http://www.mathworks.com/help/signal/ref/fd...

約12年前 | 0

回答済み
How to process audio signal in realtime?
There is an example in the following page that can get you started http://www.mathworks.com/help/matlab/ref/audiorecorder.htm...

約12年前 | 0

約12年前 | 1

回答済み
Problem with psdesttype in pwelch function
I couldn't reproduce this. Sounds like an installation problem. Do you have Signal Processing Toolbox installed? You can use ...

約12年前 | 0

回答済み
Can we change the beamwidth in Phased Array System Toolbox?
Hi Ralph, I'm not sure if I get what exactly you ask for. In general, the beamwidth is altered if a set of weights is applied...

約12年前 | 0

| 採用済み

回答済み
About the generation of correlated random variables
Here is an example sigma = [1 0.2;0.2 1]; x = randn(1000,2)*chol(sigma); corrcoef(x) % verify

約12年前 | 1

回答済み
Bandpower function question/problem
The calculation of the fullPower is simply the square of the signal's rms value. As to the fullPower2, the command line help ind...

約12年前 | 0

| 採用済み

回答済み
Possible to export standalone MATLAB executable WITH toolboxes?
MATLAB Compiler supports many toolboxes, you can find out the list here http://www.mathworks.com/products/compiler/supported/...

約12年前 | 1

回答済み
Getting commands from Wavelet Toolbox gui functions
You can click the File menu and choose Generate MATLAB Code in it. HTH

約12年前 | 0

回答済み
Missing toolbox from simulink browser library
RF Toolbox and Phased Array System Toolbox currently have no Simulink libraries. Therefore you cannot find them. HTH

約12年前 | 0

| 採用済み

回答済み
Beamforming Question on Phased Array System Toolbox
Hi Ralph, I'm not hundred percent clear what you are trying to model, but I'll try to get the discussion going You are rig...

約12年前 | 0

| 採用済み

回答済み
export x and y data from a matlab plot into a matrix
You need to access |XData| and |YData| property, for example: h = plot(1:10); get(h,'XData') get(h,'YData') Here i...

約12年前 | 0

回答済み
Generate a radar plot in matlab similar to the one available in excel
If you have access to Phased Array System Toolbox, you can import the data as a custom antenna pattern and then plot it using |p...

約12年前 | 0

回答済み
can anyone suggest me code for generating radar signal using barker code sequences.
You can use |phased.PhaseCodedWaveform| if you have access to Phased Array System Toolbox. http://www.mathworks.com/help/phas...

約12年前 | 0

回答済み
polar plot Beamforming vector
You can use plotResponse if you have access to Phased Array System Toolbox http://www.mathworks.com/help/phased/ref/phased.ul...

約12年前 | 0

回答済み
FIR filter in Matlab for bandpass 250kHz - 700kHz and sampling frequency 250MSPS
If you are interested in the band between 250 kHz and 700 kHz only, then you can decimate your signal to, say 2 MHz first. Then ...

約12年前 | 0

回答済み
How 'Blakechart' function draw diagram whitout radar parameters (like peak power ecc.)?
Hi Franktiello, The resulting curve is computed based on the so called free space range, which is essentially the range deriv...

約12年前 | 0

回答済み
Changing folder's name from unknown name
d = dir; The above command returns a struct array which has a field called datenum. Each file in the current directory corr...

約12年前 | 0

| 採用済み

回答済み
How do I delete empty rows in a matrix?
CWOA(all(CWOA==0,2),:)=[]

約12年前 | 0

| 採用済み

回答済み
Nan and Inf with butterworth filter
If your signal does not contain nan or inf, then likely this is due to the numerical stability of transfer function designed by ...

約12年前 | 1

回答済み
Phased Array System tool box
Whether it is included as part of the university license really defers from university to university. Like Niklas suggested, you...

約12年前 | 0

回答済み
Using sinc as a filter
Hi Juan, Your filter is as long as your signal, that means whatever you see is basically the transient while Fourier analysis...

約12年前 | 1

| 採用済み

回答済み
How can I plot desired angle and undesired angle using polar plot?
You could try plotResponse if you have access to Phased Array System Toolbox http://www.mathworks.com/help/phased/ref/phased....

約12年前 | 0

| 採用済み

回答済み
FIlter design without using FDATOOL
I would still recommend you do do it first via FDATool and when you are satisfied with the response, export it to Simulink using...

約12年前 | 0