Forums

Purity > 1?

Started by Aaron45 11 months ago26 replieslatest reply 10 months ago145 views
I have an application where I am computing a purity value, because I'm interested in how much noise is present.  Since I don't have a full spectrum measurement...

Is RMS a good metric to estimate gain

Started by skrowten_hermit 11 months ago8 replieslatest reply 10 months ago120 views
I have two vectors V1 and V2. V1 is the source signal vector and V2 being the (possibly) degraded (attenuated/amplified) output signal. I have calculated the RMS...

Off-topic: Xmas gift for a techie?

Started by neirober 10 months ago3 replieslatest reply 10 months ago97 views
I am reading Ian Stewart's great book:  In Pursuit of the Unknown, subtitled "17 Equations that Changed the World".  Here are the subjects of some chapters:Pythagoras's...

How to synthesize band-limited noise?

Started by Marcinstein 11 months ago15 replieslatest reply 11 months ago276 views
Hello everyone,My goal is to generate band-limited noise. Simply: user defines BW and my task is to generate time domain complex samples to imitate defined band...

DSP Master's Degree

Started by razed11 11 months ago9 replieslatest reply 11 months ago184 views
Hi Everyone,I have an undergraduate degree in aerospace engineering (1993) and soon after graduating became involved in a project where I helped write firmware...

Polyphase Filter Bank channelizer issue

Started by epetragl 11 months ago5 replieslatest reply 11 months ago342 views
Hello, I am currently studying the implementation of a Polyphase Filter Bank channelizer designed by Xilinx in its XAPP1161. The architecture is composed by a single...

Carrier frequency correction using real IQ

Started by pfeatherstone 11 months ago6 replieslatest reply 11 months ago122 views
How do i do carrier frequency correction using real IQ?If I have complex IQ ```z``` i can just do:```zn -> zn * exp(i*(phi*n + theta))```where ```phi``` is some...

Good mm-wave, 5G, machine learning and radar books

Started by adaptivefilter 11 months ago2 replieslatest reply 11 months ago117 views
Do you know any good books, from your point of view, about mm-wave analog signal processing, modern 5G dsp programming and algorithms, fmcw radars dsp or machine...
Hi,I can help anybody in Baseband Digital Signal Processing by providing some ideas if anyone needs.I will not charge anything.I can help in design and debugging...

OFDM Pilot Detection

Started by KanaBaba 12 months ago7 replieslatest reply 11 months ago117 views
I have captured OFDM I-Q data at IF. I have down-converted to it to baseband and then simply performed autocorrleation. Based on autocorrelation-based techniques...

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