Off by one windowing

Started by PiotrGrochowski 3 months ago13 replieslatest reply 3 months ago121 views
In, there are two variations of a Bartlett/triangular window sized 3:0 1 00.5 1 0.5However, I think the triangular window...

Viterbi equalizer

Started by roblkc3 3 months ago4 replieslatest reply 3 months ago112 views
Hello!I have been watching an old video from fred harris (this one) and there the Viterbi equalizer used in GSM is mentioned as one of the best ideas ever. However,...

Difference between harmonic (vocalized) and non (consonant) sounds

Started by Deimos 3 months ago4 replieslatest reply 3 months ago95 views
Hi guys! I'm a student and right now I'm following the Digital Signal Processing course at the university. I have to do this exercise using Python:Analysis of...

DSP principles question

Started by richgroot 3 months ago7 replieslatest reply 3 months ago163 views
I'm reading "Understanding DSP" in order to gain enough understanding to follow programs such as CubicSDR.  (I'm fluent in C++ and event-driven programming.) ...

Single Sideband Demodulation

Started by josefsepp 3 months ago2 replieslatest reply 3 months ago93 views
After watching the very good blog 'Phasing Method of Single Sideband Demodulation' authorRick Lyons, I decided to simulate some of the arrangements shown (such as...

Soft-output Hamming decoder

Started by cooltafel 3 months ago1 replylatest reply 3 months ago84 views
Hello, I am implementing an SISO Hamming decoder in Matlab for (4,7) and (4,8) Hamming. The soft-input is coming from a soft demodulator, and the soft values are...

Impulse response in OFDM system using IFFT

Started by cthys 3 months ago27 replieslatest reply 3 months ago118 views
Hi all, for my masters thesis I have acquired some measurements of the channel frequency response for 100 pilot subcarriers in a 1024 subcarrier OFDM system. Now...

Remove delay after filtering

Started by FankL 3 months ago1 replylatest reply 3 months ago124 views
Hello everyone!Hope that you are staying healthy and at a safe place, despite the ongoing lockdown.I implement  Digital Costas Loop for phase and frequency shifts...

Recover signal from the real part of IFFT

Started by Frank_os 3 months ago6 replieslatest reply 3 months ago167 views
In the IEEE 1901.2 narrow-band OFDM based  PLC standard, the IFFT is performed at the TX side to convert the signal from the frequency domain to the time domain....

Restorative Up-Sampling (RUP) and Quantization Error and Artifact Reduction (QEAR)

Started by Winkie 4 months ago12 replieslatest reply 3 months ago108 views ( contains pages about Restorative Up-Sampling (RUP) and Quantization Error and Artifact...

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