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# Discussion Groups > Comp.DSP

Comp.dsp is a worldwide Usenet news group that is used to discuss various aspects of digital signal processing.

There are 17716 threads in our archives.

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The threads with the newest articles are listed first.

## OFDM(doppler shift estimation)[4 articles] 0

.avinash. - 2015-08-31 18:20:00
Hey there everyone! I'm actually right now researching about ofdm based realization to efficiently estimate the doppler shift and I've kinda run into a block In the typical block diagram there's a I...

## Wireless communication and frequency band[10 articles] -1607

Sharan123 - 2015-08-30 18:46:00
Hello, I have a question pertaining to the frequency bands of carriers in wireless communication. So, when a two systems use two carriers of two different frequencies, say 2.5 GHz and 5 GHz then...

## Analog error correction codes[9 articles] -809

2015-08-30 11:33:00
There are 2 versions of analog error correction codes that I found.=20 One is from the biological sciences:=20 https://clm.utexas.edu/fietelab/Papers/nn.2901.pdf=20 It uses simple mapping onto phas...

## Datasheet Question[37 articles] -1585

Mauritz Jameson - 2015-08-30 10:32:00
Section 7.2.1 on page 11 in this PDF: http://cache.freescale.com/files/sensors/doc/app_note/AN4076.pdf describes how to convert a 14-bit value into a decimal fraction, but I'm not sure I underst...

## Discrete -Time Fourier Transform[2 articles] 0

Shadow Flux - 2015-08-27 23:48:00
So from what I searched in the net, DTFT is the continuous Fourier transform of a discrete (or quantized?) signal while DFT is the discrete Fourier transform of the quantized signal. Meaning DFT is us...

## Minimization / maximization problem[3 articles] 0

Piergiorgio Sartor - 2015-08-27 19:43:00
Hi all, I need some hint or pointer in order to try to solve a problem. This might not be the right place, but since here wise people are, maybe I got lucky (I tried sci.math too). If you know ...

## zero padding and periodic waveform energy calculation[2 articles] 0

helloworld - 2015-08-27 19:42:00
Consider a 100 Hz waveform sampled at 10kHz. One period would consist of 100 samples. I'm trying to better understand the energy of this waveform and the same waveform with 28 zeros. I'm asking...

## FM SW Demodulated Audio - I get just noise[10 articles] 0

b2508 - 2015-08-27 16:15:00
Hi everyone, this is my first post and it is quite important and urgent to me. I am new with this area so forgive me if I have some gaps in knowledge. I am trying to receive FM radio station...

## FIR filter bandpass filter from lowpass filter prototype[5 articles] 0

hyuckin kwon - 2015-08-27 10:41:00
I want to make bandpass filter from lowpass filter prototype. first i made lowpass filter and frequency translated using cosine function and i saw the freq. response of translated coefficient. b...

## Basic Sampling Theory Question[37 articles] 0

old_ee - 2015-08-27 06:48:00
Hi, If I have a sine wave with period T. The sampling theory says I can recover it by sampling at T/2. That is two points, barely enough to draw a straight line. What am I missing here? ...
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