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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 6 years ago16 replieslatest reply 1 month ago2150 views
It's been a few months since the launch of the new forums.  Here are a few thoughts. The thumbsup and beer buttons    If there is one thing that could have a...

Calculating optimal loop point in audio sample

Started by smjedison 2 weeks ago10 replieslatest reply 4 days ago105 views
(Disclaimer, I'm self-taught and mostly a beginner when it comes to DSP) Hi! I've recently been working on a problem to find the optimal loop point in an audio...

mitigating phase shift

Started by Detlef _A 4 days ago5 replieslatest reply 4 days ago103 views
Hi, I want to PLL on the line voltage, here in Europe 50Hz. I have a noisy signal and i use a prefilter with a complex pole pair at 0.999*exp(+/- j*2*pi*50/10000)....

IQ mag: Integer approximation of square root of the sum of two squares

Started by Robmar 3 weeks ago23 replieslatest reply 2 weeks ago159 views
Anyone knows the name of this algorithm and a fast and also integer alternative?Int16 Mag(int16 i, int16 q)(If abs(i) > abs(q)  Return abs(i) + abs(q) / 4;Else ...

Power Spectral Density PSD° of OFDM signals

Started by Ayicha 2 weeks ago11 replieslatest reply 2 weeks ago99 views
Hello guys,I'm quite new in OFDM techniques and i would really appreciate if someone could help me. Here is my problem. Assume i have a binary stream converted into...

math/money reasoning issue, Not a spam Please

Started by kaz 2 weeks ago6 replieslatest reply 2 weeks ago122 views
I am lost in reasoning the following joke:Posted on Quora by Lynda ClarkeTHE £50 pound noteIt's a slow day in the town and the streets are deserted. Times are...

How do I produce a covariance matrix from IQ samples?

Started by asterixogalues 4 weeks ago5 replieslatest reply 3 weeks ago113 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...

Recent SPAM posts in the Forums

Started by stephaneb 4 weeks ago183 views
Hello, just a quick note to let you know that we are fully aware of the spam posts that made it into this forum lately, despite our spam filtering system.  The...

Channel power measurement

Started by LoganathanN 1 month ago2 replieslatest reply 1 month ago98 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 1 month ago3 replieslatest reply 1 month ago149 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.)...

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