Carrier recovery is discussed in Chapter 10 in "Telecommunication Breakdown" by Johnson and Sethares. I've been running the code they provide and I get the same...

Machine learning and detection in noise

Started by Gabrial 7 months ago7 replieslatest reply 5 months ago165 views
Hello everyone,,I've been tinkering with a problem involving detecting a set of tones in the presence of noise. I've looked at Goertzl and matched filter approaches,...

DSP for design verification

Started by iblackford 5 months ago2 replieslatest reply 5 months ago100 views
I'm sorry if this has been answered before, I did do some preliminary searching already. I'm looking to automate some design verification steps, and I'm curious...

Average Impulse Response from multiple measurements

Started by Samp17 5 months ago9 replieslatest reply 5 months ago138 views
I have taken several log sine sweep measurements in succession, long enough for the. room noise to settle to below hearing threshold before the next measurement...

Generating Sine wave in C and Pwelch Plot

Started by cogwsn 5 months ago2 replieslatest reply 5 months ago115 views
I have made a C code to generate sine wave. I generate two sine waves of frequency 100 and 500 Hz respectively. The sampling rate is 2000 Hz.But when I see the dumped...

Optimal detector for the frequency hopping modulation

Started by kman 6 months ago7 replieslatest reply 6 months ago104 views
I have a device, which transmits a signal of constant amplitude, and a frequency, chaotically hopping over predefined set of frequencies. For example: F0+500 F0+800 ......

Efficient digital interpolation filter

Started by LC_Poon 6 months ago5 replieslatest reply 6 months ago162 views
I came across this paper entitled "Design of Efficient Digital Interpolation Filters and Sigma-Delta Modulator for Audio DAC" where the author oversamples an input...

reconstruct phase-shifted sine tone

Started by iosman123 6 months ago8 replieslatest reply 6 months ago103 views
Hello,I am trying an example matlab code for reconstructing a sine-tone using window OLA, using a Hanning window (periodic). Sampling frequency is 8kHz and the...

Adaptive Filter Theory: prequisites to learning

Started by alnesbit 6 months ago7 replieslatest reply 6 months ago182 views
Hello!I purchaesd Haykin (2014), "Adaptive Filter Theory," 5th ed., largely to learn about echo cancellation and other useful topics for music and audio signal processing...

Understanding the Nyquist frequency when doing complex FFT

Started by ronnu 6 months ago13 replieslatest reply 6 months ago143 views
Hi, I'm working on shift algorithm in MATLAB. My selected sampling frequency is 64Hz. I created a complex time domain signal with a frequency of 30Hz. As far as...

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