DSPRelated.com
Forums
The 2025 DSP Online Conference

Remembering Tom Lehrer

Started by neirober 6 months ago1 replylatest reply 6 months ago233 views
Tom Lehrer died Saturday at age 97.  He wrote and performed "Wernher Von Braun" and other satirical songs.  But his main gig was as a mathematician.  Here is...

How to parallelize polyphase FIR resampling filters

Started by weetabixharry 6 years ago14 replieslatest reply 7 months ago1612 views
I am struggling to find a good reference for implementing parallel rational-ratio FIR resampling filters. By "parallel", I mean a high-throughput hardware filter...

FMCW RF up-convserion doesn't land at the designated carrier

Started by ninjatuna123 7 months ago3 replieslatest reply 7 months ago157 views
I created a simple FMCW sweep using MATLAB in baseband, BW = 100MHz:sweepTime = 1e-3; % 1 ms sweep BW = 1e8; %100 MHz; fs = 2e8;% 200 MHz sample rate % FMCW waveform:...

Dither question, TPDF vs periodic oscillator

Started by PiterDeVries 7 months ago3 replieslatest reply 7 months ago169 views
Assuming my DAC is 1 million samples per second 12-bit, with the goal of increasing the effective number of bits beyond 12 bit at the expense of reduced sample...

Bandwidth of the Goertzel algorithm

Started by Cuencano 8 months ago18 replieslatest reply 8 months ago281 views
I needed to determine the 3 and 6 dB points of the Goertzel algorithm. While I found many posts here that addressed bandwidth indirectly, they didn’t specifically...

Efficient triaxial sampling of a single frequency signal

Started by hkortier 8 months ago11 replieslatest reply 8 months ago190 views
I have a single frequency (100kHz) magnetic wave (known power) signal measured by three, orthogonally sensitive, placed sensors (coils in x,y,z direction). The...

OFDM receiver IQ processing

Started by jekain314 9 months ago9 replieslatest reply 8 months ago310 views
The OFDM receiver front end operates on a real signal from the antenna. The receiver's IQMixer both downconverts the received signal to baseband and transforms the...

Carrier frequency offset (CFO) in OFDM with the real part of IFFT

Started by ziwukim 9 months ago10 replieslatest reply 8 months ago233 views
In the IEEE 1902.2 narrow-band OFDM PLC standard, the IFFT is performed but only the real parts are taken for the transmission while discarding the imaginary parts...

Help with Shannon-Nyquist Reconstruction Artifacts in Interactive DSP Tool

Started by Theau 10 months ago4 replieslatest reply 9 months ago218 views
Hello DSPrelated community,I'm developing an interactive web application for learning DSP concepts as part of a university project (project overview: https://thierrydutoit.github.io/iDSP/)....

A Query about "Improvements to the Sliding DFT Algorithm"

Started by etheory 1 year ago7 replieslatest reply 9 months ago302 views
Hi all! My first post here! Long time lurker first time poster. This one is kinda specifically directed at @RickLyons but happy for anyone to answer. I am reading: https://www.researchgate.net/publication/352874961......

Please login (on the right) if you already have an account on this platform.

Otherwise, please use this form to register (free) an join one of the largest online community for Electrical/Embedded/DSP/FPGA/ML engineers:

The 2025 DSP Online Conference