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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 3 years ago10 replieslatest reply 4 months ago1172 views
It'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...

Practical digital communications book

Started by simonzz 6 hours ago3 replieslatest reply 2 hours ago64 views
Hi all,I am trying to gain more practical experience in DSP for digital communications and SDR with FPGAs and programmable devices (I am not new to embedded systems...

Detecting the center frequency of a all-pass filtered sound

Started by pulpogarden 2 days ago3 replieslatest reply 2 days ago65 views
Hi,would it be possible to detect the center frequency at which an audio signal has been all-pass filtered from a recording of it? I assume that if you know the...
In the latest versions of MATLAB Simulink, they have added a block for the OFDM Baseband Modulator. I have gone through the article provided by the MATLAB support...

phase change

Started by Sharan123 4 days ago5 replieslatest reply 3 days ago110 views
Hi,Can anyone explain how to change the phase of a signal.For example, if I have a sine signal, how can I modify its phase?

ADC and Complex Mixer Nyquist question

Started by sachinwannabe 1 week ago10 replieslatest reply 4 days ago101 views
Hello,So I am struggling with a fundamental Nyquist bandwidth question. My SOC consists of a high-speed ADC followed by a complex mixer (with optional decimation).Say...

Extract pitch of irregular signal ?

Started by tunelabguy 2 weeks ago17 replieslatest reply 2 weeks ago104 views
I have tried both autocorrelation and a simple FFT power spectrum, but I cannot see how I can extract the tone of this audio signal: www.tunelab-world.com/irregular-engine.wav I...

New IEEE Signal Processing Society Journal

Started by Rick Lyons 2 weeks ago17 replieslatest reply 2 weeks ago172 views
The IEEE Signal Processing Society (SPS) is starting a new publication program called the "IEEE Open Journal of Signal Processing". That program will be "dedicated...

Increasing frequency of a sinusoids after FFT of a signal

Started by ruhul 2 weeks ago7 replieslatest reply 2 weeks ago115 views
Hi everyone,I am new to this forum.I have a signal composite of 500Hz, 1700Hz and 2500Hz signal. Sampling rate is 48K and number of data is of 1 s that is 48K too.I...

Single Carrier Block Modulation

Started by LoganathanN 2 weeks ago1 replylatest reply 2 weeks ago76 views
Hi All, I need some clarification in implementing Single Carrier Block Modulation. Especially in the receiver section. Transmit structure is consisting of 1 Pilot...

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