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A Quadrature Signals Tutorial: Complex, But Not Complicated

Understanding the 'Phasing Method' of Single Sideband Demodulation

Complex Digital Signal Processing in Telecommunications

Introduction to Sound Processing

C++ Tutorial

Introduction of C Programming for DSP Applications

Fixed-Point Arithmetic: An Introduction

Cascaded Integrator-Comb (CIC) Filter Introduction

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FIR Filter Design Software

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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 17346 threads in our archives.

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Frequency domain filter works bad :(

The Grue - 2014-07-30 06:28:00
Hello, I'm currently trying to write an integrator for a time domain signal that does it's work in frequency domain. An integrator in frequency domain means mainly to multiply the spectrum with 1/...Frequency domain filter works bad :(

Question regarding Faust for DSP [25 articles]

Mauritz Jameson - 2014-07-29 23:41:00
I have been given a problem to solve, but I'm having a hard time understanding the syntax and thus also how I'm supposed to solve the problem. The problem is stated here: regarding Faust for DSP

degrees/radians argument for sin/cosine functions [7 articles]

SBR123 - 2014-07-29 19:00:00
Hello All, I believe sin (45 deg) and sin (45 radians) will yield different values. In some literatures, both degress and radians are shown as argument to sine function (e.g. sin (pi/2) & sin (...degrees/radians argument for sin/cosine functions

representing discrete periodic signal using sinusoidal signals [18 articles]

SBR123 - 2014-07-29 10:47:00
Hello All, I am trying to understand the concept of representing a discrete periodic signal using sinusoidal signals. (without going into detailed math), If my understanding is correct, a discre...representing discrete periodic signal using sinusoidal signals

modulation scheme [7 articles]

SBR123 - 2014-07-28 21:54:00
Hello All, The classical modulation scheme is defined as, x(n)*cos(w_0*n) 0.5*[X(w+w_0) + X(w-w_0)] - eq(1) Similarly, text books also define frequency shifting as, x(n)*exp(j*w_0*n) ...modulation scheme

How to simulate AWGN in communication systems for specific bandwidth? [6 articles]

democritus1010101 - 2014-07-27 06:25:00
I am trying to generate a AWGN waveform to add it to the signal of my simul= ated communication system in MATLAB. The operating bandwidth of the communi= cation system is about B=3D3GHz and suppose ...How to simulate AWGN in communication systems for specific bandwidth?

Fourier series of sign(cos(.)) in simulation and practical mixer simulation [39 articles]

Peter Mairhofer - 2014-07-25 02:12:00
Hi, I simulate (or want to simulate) an RF system. My simulation Nyquist rate is 50GHz, the signals are 8 Msamples long and there is a 5MHz transmission at 1GHz (using standard I/Q modulation). ...Fourier series of sign(cos(.)) in simulation and practical mixer simulation

sound source localization using electret microphone array [9 articles]

matar770 - 2014-07-23 09:19:00
i want to use an electret microphone array to locate a sound sorce (actually its the direction of arrival) , im using Steered Response Power - Phase Transform (SRP-PHAT) algorithm, and i'm confused a...sound source localization using electret microphone array

Problem Using Kiss FFT [11 articles]

Javier Pajuelo - 2014-07-21 22:43:00
I get different results using Kiss FFT and Octave/Matlab fft. Here's the input/output of my code: ========================================================= xtmp[2][4] 0 1 2 3 0 (0.2348,-0...Problem Using Kiss FFT

Nyquist and rectangular waveforms [24 articles]

Bob Masta - 2014-07-21 11:28:00
This is prompted by the discussion of aliasing in the thread "Higher upsampling with minimum phase downsampling produces more aliasing" by 'jungledmnc'. My question is based on the observation th...Nyquist and rectangular waveforms
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