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Filters: Differences between fvtool and bode
I'm not sure how you are using bode, but from your transfer function, you are working with analog filter while fvtool is for dig...

11년 초과 전 | 2

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pattern data out of scanned phased antenna array, not just the plot
What version of Phased Array System Toolbox do you have? If you are using R2014b, then you can use |directivity| method to retri...

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how can i use a varying bandwidth in phased.FMCWWaveform function
You can modify the SweepInterval property in FMCWWaveform, if you set it to 'Positive', it sweeps from 0 to BW, where BW is the ...

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No time differencies in modeling phased.Collector
Are you expecting to see 0s in front of certain channels when you talk about time difference? |phased.Collector| doesn't do that...

11년 초과 전 | 0

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Undefined function 'physconst' for input arguments of type 'char'. error
|physconst| requires Phased Array System Toolbox. You can do a ver in command line to check if you have license for that...

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EasyGUI not working for version R2014b
Maybe you can put a breakpoint there and do >> set(obj.UiGuiArea) to see what can be set. It could just be a case sensiti...

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Modelling customAntennaElement and customMicrophoneElement
If you are not varying the spatial pattern, then null location, relative sidelobe level and directivity will stay the same since...

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I am unable to view the low frequency components of a signal that contains low (of the order of 20 KHz) and very high (of the order of THz) apart intermediate frequencies.
Without looking at your concrete steps, it's hard to judge. I'm also a bit confused when you say the signal from 10kHz onward is...

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Write a quadratic equation function
Isn't this just depending on the value of b^2-4*a*c, something like val = b^2-4*a*c; if val > 0 % two roots else...

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Sound source localization using Phased Array System Toolbox
Most DOA estimator shipped in Phased Array System Toolbox is indeed narrow band so they are probably not the best tool for wideb...

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Help with fir1 needed
Did you compute wnm from some other functions? This looks like a round off numeric issue. A simple fix could be adding the follo...

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i was trying this code but getting error for Y=fft(x.*hamming(length(x))); as .* operator matrix dimensions must agree.pls help me to resolve.
My guess is your |x| is a row vector while |hamming(length(x))| gives a column vector. You can add x = x(:); after seco...

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Hi please help me for following
This requires Phased Array System Toolbox shipped with R2014b, you may want to type ver in your command window to see if...

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How should I calculate power spectral density of signal with too high sampling rate
I would recommend first design a filter, to filter at 100Hz, then down sample/resample, and then do PSD calculation. Actually I ...

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How Array gain is calculated in Phased array?
The ArrayGain in Phased Array System Toolbox calculates the SNR improvement due to the array. The computation is outlined in the...

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error with using filter
|dsp.BiquadFilter| is a System object, so its main method is |step()|. Try a = step(Hd,a)

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How to implement multipath fading channels using Phased Array System toolbox?
In theory you should be able to cascade the two channels together. The FreeSpace channel in Phased Array System Toolbox basicall...

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How to design a narrow bandpass filter to pass frequencies between 90 and 110 Hz?
You may want to use |cheb2ord| to estimate the order of the filter first, that function will also return the |ws| needed in |che...

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implementing multistage multirate filters
Here is an example you may find useful http://www.mathworks.com/help/dsp/ug/example-case-for-multiratemultistage-filters.html...

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Converting indices to time
This means your sampling rate is 200 Hz, so you can construct your time vector as fs = 200; t = (0:numel(x)-1)/fs; th...

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How to plot this signal?
y = filter([a b c],1,x); plot(y)

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How do you calculate this transfer function?
You can use |1i| for |sqrt(-1)| but mainly you need to set your |w| correctly, right now your step size is |pi/(2*Fs)|. It could...

11년 초과 전 | 0

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Most populated range of floating point numbers in array
You can just do histc(a,[0 0.4 0.6 1]) if you know for sure you want the interval [0.4 0.6]. Otherwise, you can use |hi...

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Complex target simulation using phased.RadarTarget
Currently there is no such functionality in Phased Array System Toolbox. However, you can try to build one if you have the data ...

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equality of an array
Did you try isequal(A(1:45,1:45),B)

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Concatenate cell array into one string
x = {'a','b',5,[]} x = cellfun(@num2str,x,'UniformOutput',false) sprintf('%s ',x{:})

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Filter Design from Weighted coefficient.
The impulse response coefficients is your FIR filter.

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xcorr and time lag
You already have a variable |lags|, you can simply do |lags(idx)|. BTW I didn't see how you compute the lags, but you could get ...

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Trajectory Display in phase array tool box
It currently doesn't offer any off the shelve solution but as a workaround you can use MATLAB's plotting capability. For example...

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Matching value to corresponding variable via string name
YO = eval(myvec)

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