This MATLAB function returns a demodulated signal z, given the input frequency modulated (FM) signal y, where the carrier signal has frequency Fc and sampling rate Fs.
Play back an audio file after applying FM modulation and demodulation by using System objects to process the data in streaming mode. Load the audio fileguitartune.wavby using an audio file reader System object™. audiofilereader = dsp.AudioFileReader('guitartune.wav',...'SamplesPerFrame',4410...
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[3]Der, Lawrence. "Frequency Modulation (FM) Tutorial."Silicon Laboratories Inc.: 4–8. Extended Capabilities C/C++ Code Generation Generate C and C++ code using MATLAB® Coder™. Version History Introduced in R2015a
Play back an audio file after applying FM modulation and demodulation by using System objects to process the data in streaming mode. Load the audio file guitartune.wav by using an audio file reader System object™. Get audiofilereader = dsp.AudioFileReader('guitartune.wav', ... 'SamplesPe...
The FM Broadcast Demodulator Baseband block demodulates a complex baseband FM signal by using the conjugate delay method, and filters the signal by using a de-emphasis filter. To demodulate stereo audio using 38 kHz, enable stereo demodulation. To demodulate RBDS signals from the 57 kHz band, ...
Frequency demodulation collapse all in pageSyntax z = fmdemod(y,Fc,Fs,freqdev) z = fmdemod(y,Fc,Fs,freqdev,ini_phase)Description z = fmdemod(y,Fc,Fs,freqdev) returns a demodulated signal z, given the input frequency modulated (FM) signal y, where the carrier signal has frequency Fc...
Play back an audio file after applying FM modulation and demodulation by using System objects to process the data in streaming mode. Load the audio fileguitartune.wavby using an audio file reader System object™. audiofilereader = dsp.AudioFileReader('guitartune.wav',...'SamplesPerFrame',4410...
Ais the carrier amplitude. fcis the carrier frequency. x(τ) is the baseband input signal. fΔis the frequency deviation in Hz. The frequency deviation is the maximum shift fromfcin one direction, assuming|x(τ)| ≤ 1. A baseband FM signal can be derived from the passband representation ...
Play back an audio file after applying FM modulation and demodulation by using System objects to process the data in streaming mode. Load the audio file guitartune.wav by using an audio file reader System object™. Get audiofilereader = dsp.AudioFileReader('guitartune.wav', ... 'SamplesPe...