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FFT spectrum shift after time domain decimation

Started by merat 2 months ago6 replieslatest reply 2 months ago115 views
Hi,  I am inputting a 100hz sine wave into a low pass filter.  I am sampling at 44800hz.  One thing I am noticing is that when decimation by lets say 2.  I...

Moving Sound Source Database for SSL

Started by asterixogalues 2 months ago2 replieslatest reply 2 months ago78 views
Dear colleagues,I've been working in Sound Source Localization and Tracking for over a year. However, I still need a good dataset that can provide not only real...

How can I calculate the doa for acoustic signals by applying the Music algorithm in MATLAB?

Started by Gerard123 5 months ago12 replieslatest reply 2 months ago200 views
Hi all, I'm trying to calculate the AoA and DOA of the received signals according to the Music method. And strangely, the final answer gives me the result in the...
Hello! If you receive and read the occasional DSPRelated newsletter, you probably already know that the 2021 DSP Online Conference is a go and we will very soon...

"Software Receiver Design" Timing Recovery Question

Started by OnMyOwn 3 years ago5 replieslatest reply 2 months ago134 views
I got through the first 11 chapters of this book with no problems,but I am now stuck on the beginning of Chapter 12, "Timing Recovery."I'm attaching the page where...

time recovery algorithm and CORDIC

Started by Ali23 5 months ago18 replieslatest reply 2 months ago173 views
I need your help in understanding how to simulate a timing recovery algorithm. I have already read a lot of literature � but I have still doubts how it works. Let...

Symbol Timing Recovery

Started by avi1987 5 years ago4 replieslatest reply 2 months ago397 views
Hi! I am trying to design the Symbol timing recovery(#STR) block of #DVBS Receiver. I have some difficulty in understanding some of the concepts of Gardner TED,...

DTFT optimization question

Started by Justinm 2 months ago16 replieslatest reply 2 months ago122 views
Hello Everyone,I am using cuda on a Jetson Xavier AGX to do some signal processing. I am processing a time series which is 16 bit samples taken at 1 GHz. Each...

Overdriven Sine Wave through DSP Filter

Started by groger 2 months ago17 replieslatest reply 2 months ago116 views
Hello,I'm not a DSP practitioner or even have the math background to fully comprehend the topic, but hoping to get a grasp on something. If a sine wave that is over-driven...

PDM - PCM CONVERSION AND THEIR CHARACTERISTICS

Started by NAranguiz_ 2 months ago2 replieslatest reply 2 months ago95 views
I am working on a university project.The part of the work that I had to delve into has to do with PDM-PCM conversion from a mems type microphone from the knowles...

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