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Forums Update, Tips and Tricks - Please Read!
Started by 9 years ago●19 replies●latest reply 3 months ago●3159 viewsIt'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...
Started by 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...
When performing an FFT, modifying the magnitude spectrum in some arbitrary way, and then applying an inverse FFT, how should I handle circular convolution? How can...
Instantaneous frequency direction of human speech
Started by 2 weeks ago●7 replies●latest reply 2 weeks ago●163 viewsFor SSB (Single Side Band) modulation I use Prosch’s [1] IIR
all-pass filters as per below:For a single Cosine tone, with a frequency from the range
above, the...
Packet Based Equalization in Multipath Environment
Started by 4 weeks ago●3 replies●latest reply 3 weeks ago●124 viewsImagine a simplified communication channel that consists of 2
multipath terms that are about the same amplitude modeled with an FIR
filter [1 0 0 0 0 0 0 0 0 0...
Help with Shannon-Nyquist Reconstruction Artifacts in Interactive DSP Tool
Started by 4 weeks ago●3 replies●latest reply 4 weeks ago●160 viewsHello 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/)....
IIR Filter Implementation in the Frequency Domain?
Started by 2 months ago●11 replies●latest reply 4 weeks ago●209 viewsSilly question: Is it possible to implement a IIR filter in the frequency domain just as you would a FIR filter? Or is the answer, "Well, you COULD, but that's a...
Started by I'm looking again at an FSK demodulator.Currently using an arctan followed by a derivative which is giving good results. fred harris always recommends:f ~= (dI...
Started by The error of manually computed inverse FFT increase along x-axis
Started by 1 month ago●9 replies●latest reply 1 month ago●131 views1Hello, I am manually compute the inverse FFT using the NumPy FFT components by the below codes, to compare the rebuild signal with the original signal (sin function)....
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