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How do I produce a covariance matrix from IQ samples?

Started by asterixogalues 3 months ago5 replieslatest reply 3 months ago141 views
Dear Colleagues,I'm working with BLE AoA Localization. My problem is: What to do exactly with IQ(in phase-quadrature signals) information from an antenna array in...

Channel power measurement

Started by LoganathanN 3 months ago2 replieslatest reply 3 months ago105 views
Hello All,I need to implement a channel power measurement logic for the following reason. Actual problem statement is to detect the COMM radio activity (which last...

Dr. Mark Wickert's scipy-dsp-comm Work

Started by dcomer 3 months ago3 replieslatest reply 3 months ago169 views
I thought I'd post an interesting piece of work that I discovered yesterday from Dr. Mark Wickert, formally a Professor at UCCS (the University of Colorado at Colorado Springs.)...

Determining the frequency (between 1-100MHz) & amplitude of a sinusoid

Started by yloecher 3 months ago12 replieslatest reply 3 months ago152 views
An acquaintance of mine asked me the following question:We have a bandlimited signal (say 0-100 MHz) that consists of a sinusoid plus white noise. Both the amplitude...

Good site for distance Learning

Started by dcomer 3 months ago1 replylatest reply 3 months ago166 views
Many, like myself, are constantly refreshing their grey matter, after long and distinguished (well long to be sure) careers. The only positive outcome of the COVID-19...

PySDR.org

Started by dcomer 3 months ago2 replieslatest reply 3 months ago197 views
I came across an interesting site last night: pysdr.org. Thought I'd give it a shout-out for anyone that has an interest in SDR using python (yeah, like that isn't...

Phase Unwrapping of IQ data

Started by vishnuanayady 4 months ago12 replieslatest reply 4 months ago186 views
I am doing radar Sensor signal processing.The radar sensor gives iq data corresponding to the range(sweeps)I want to detect micro motion so that phas analysis is...

Blog editor issues

Started by adidua 4 months ago3 replieslatest reply 4 months ago90 views
I am really struggling with the blog editor! In addition to MathJax equations rendering inconsistently (or not rendering at all). Additionally, I keep hitting this...

Continuation of phase calculation comments

Started by Cedron 4 months ago1 replylatest reply 4 months ago138 views
Have a look at:  https://dsp.stackexchange.com/questions/69186#6923 Mhz 500kHz Bin width 0.5 ...

Super resolution using frequency domain.

Started by Lory_M 4 months ago143 views
Hi, I am trying to code in MATLAB a super resolution algorithm that was published in 1984. ("Multiframe Image Restoration and Registration" by Tsai and Huang 1984)....

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