Howtosignalprocessing
- How do you demodulate FM signal?
- How to demodulate FM signal in Matlab?
- Which method is used for FM detection?
How do you demodulate FM signal?
A simple and effective FM demodulation technique involves a high-pass filter (for FM-to-AM conversion) followed by an AM demodulator. A high-pass-filter-based FM demodulator is preceded by a limiter to prevent amplitude variations from contributing error to the demodulated signal.
How to demodulate FM signal in Matlab?
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 and sampling rate Fs . freqdev is the frequency deviation of the modulated signal. The value of Fs must satisfy Fs ≥ 2 Fc .
Which method is used for FM detection?
Quadrature Detectors
The quadrature detector is probably the single most widely used FM demodulator. It uses a phase-shift circuit to produce a phase shift of 90° at the unmodulated carrier frequency. This detector is primarily used in TV demodulation and is used in some FM radio stations.
