Phase demodulation matlab

First, a two-step phase demodulation algorithm based on Fourier transform (Kreis) is introduced [4,5], in which the measured phase can be directly retrieved by filexlib. amplitude/frequency demodulation followed by a modulation- detector. This is called the least favorable pdf for φ(t) [42]. Profile image of IJERD Editor For coherent demodulation signal with same frequency and phase as transmitted signal is required at receiver side.
A phase demodulation method specially developed for direct detection φ-OTDR is proposed and demonstrated. It is the only method to date that can be used for
This technique relies on two interferometric signals whose interferometric phase difference is odd times of π. It is able to demodulate phase signals with a
Phase modulation depth (PMD) is crucial for phase demodulation scheme of fiber optic interferometric sensors. Novel design of phase
Keywords: phase modulated signal, demodulation, analog-to-digital converter, quantization noise, clipping, carrier-to-noise ratio,
This Letter proposes demodulation type PLL for phase and frequency estimation of single-phase system that can reject DC offset. To reduce the measurement time required for a distance measurement, this paper proposes a novel, parallel-phase demodulation method. The proposed method

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