Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 2 years ago10 replieslatest reply 2 months ago752 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...

Far Off Topic: A Simple Geometry Problem That Had Me "Going in Circles"

Started by Rick Lyons 5 days ago12 replieslatest reply 3 hours ago103 views
At a garage sale recently I bought the book "More Marilyn, Some Like It Bright!" for one U.S. dollar. In that book the following simple geometry problem was posedThe...

Basics of netwroking at work place , Not that Off dsp topic

Started by kaz 2 days ago1 replylatest reply 2 days ago65 views
In various work places I see a variety of network set-up scenarios usually undocumented and impossible to Google. Apart from that I see people using PC/Server for...

averaging two stream frames in time domain versus frequency domain

Started by kaz 4 days ago3 replieslatest reply 4 days ago47 views
In 3GPP (LTE) an uplink channel (PRACH) sent by handset has to be processed at baseband. The Prach signal is extracted from its given location and fft (e.g. 2K)...

Book on Frequency Hopping

Started by ibrakh1980 6 days ago2 replieslatest reply 6 days ago84 views
I was wondering if anyone knows of a reference for frequency hopping. Please let me know...Thanks!Ibrahim


Started by SenSen 1 week ago7 replieslatest reply 6 days ago83 views
Hello, I am currently working on a MUSIC algorithm for DOA of RF emitters in 3D. At the first stage, interested to apply the 1D MUSIC using a linear array of...

DSP; Framing and Windowing in Audio Signal Processing

Started by sparrowJr 2 weeks ago6 replieslatest reply 6 days ago88 views
Please help me, I'am newbie...Goal:I want to make a new signal ( synthesis) from my audio data( .wav) on time domain processing (delay-line based Method).Question:Should...

Fundamental frequency of a Guitar string

Started by DONVOTH 3 weeks ago29 replieslatest reply 1 week ago181 views
I am using a Zilog 8 bit Micro running at 20Mhz. I am trying to determine the fundamental frequency of a guitar string. I have turned the complex wave into a series...

Filter complex signal and get spectra

Started by AlexVigo 2 weeks ago2 replieslatest reply 2 weeks ago81 views
How to correctly get spectrum of filtered complex signal in time domain?  Filter with real coefficients (LPF). [1 2 1] The frequency response is in general...

filtering followed by fft a given frame

Started by kaz 2 weeks ago3 replieslatest reply 2 weeks ago61 views
The lte Prach channel requires fft at a minimum of 2k resolution. To achieve that some decimation is done. This means the stream will go through some filters then...

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