Overlap-add with window

Started by ctlee 1 week ago26 replieslatest reply 4 days ago77 views
Hi all,Suppose I have an input signal \( x[n] \) of length \( N \), an FIR filter \( h[n] \) of length \( M \), and a window function \( w[n] \) of length \( N...

WLAN Demodulation in MATLAB

Started by cogwsn 1 year ago5 replieslatest reply 12 months ago111 views
I am using the WLAN Tool Box of #Matlab V2107b. A term named CSI for each data subcarrier is defined as CSI(i) = H(i) X conj(H(i)) + N(i)H(i) = channel estimate...

How to downconvert a Complex RF signal in Matlab?

Started by M_313 1 year ago14 replieslatest reply 1 year ago538 views
Hi All,I was trying to simulate a digital communication model with a complex rayleigh fading channel in Matlab.The Data is BPSK modulated and is multiplied with...

Help on Demodulating an 8-PSK Signal

Started by M_313 1 year ago21 replieslatest reply 1 year ago180 views
Hi,I am trying to simulate an 8-PSK communication model in Matlab with real sequence. I have generated the tx signal as shown in the attached figure using 8 different...

Choice between Scilab and Python + numpy

Started by johnpote 1 year ago7 replieslatest reply 1 year ago1596 views
Hi everyone,I have a small bit of DSP to do related to work which has given me the oportunity to refresh prior DSP learning and expand it. I want to do this at home...

Visualizing the spectrum of a 433 MHz433 MHz signal in MATLAB

Started by NatiyaITD 1 year ago12 replieslatest reply 1 year ago272 views
I recorded a 433 MHz IQ signal with a SDR dongle as a .wav file and when I read it in #MATLAB, I see the following:This is the code:<code>[y,Fs] = audioread('HDSDR_SHORT_433920kHz_RF.wav',[5000000...

#Matlab rcosfir function

Started by bogfrog 1 year ago4 replieslatest reply 1 year ago215 views
figure; plot(rcosfir(.2, 3, 12, 1/9600, 'sqrt') - rcosfir(.2, 3, 12, 1, 'sqrt'))The difference is negligible. Why does the 'T' parameter (symbol period) seem to...

Generating Eye diagram in MATLAB

Started by aguntuk 2 years ago282 views
I have a time-domain signal generated from Cadence Virtuoso at the receiver side. I can plot eye diagram in Virtuoso. But having problem to generate eye diagram...

Calculating the minimum phase of a given magnitude response

Started by gretzteam 2 years ago4 replieslatest reply 2 years ago543 views
Hi,I'm trying to calculate the minimum phase response of a given magnitude response (measured). It is well known that there is a 1:1 relationship between the magnitude...

How to Convert IQ Signal to Real

Started by NoMoreAnalog 3 years ago4 replieslatest reply 2 years ago2126 views
I am using #Matlab DSP Toolbox to implement a Software Defined Radio (#SDR). If you are curious, it is for a Softrock RXTX ham radio transceiver that provides I...

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