A Demodulation Method of 2FSK Signal Based on Duffing Oscillator [PDF]
, 2011 This article put forward a new method on 2FSK signal demodulation by using Duffing Oscillator based on the theory of weak signal detection in Chaotic System. In this paper we utilize the regulation of the wave form generated by the chaotic system when it
Er Fu Wang +3 more
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Low Computational Cost Distributed Acoustic Sensing Using Analog I/Q Demodulation
Sensors, 2019 Distributed acoustic sensing based on phase-sensitive optical time-domain reflectometry (Φ-OTDR) has been widely used in many fields. Phase demodulation of the Φ-OTDR signal is essential for undistorted acoustic measurement.
Fei Jiang +6 more
doaj +1 more source
Demodulation Using Block and Data Flow Based Object Oriented Approach [PDF]
, 2020 Demodulation aims to extract message information from modulated signals. It is implemented by software using digital signal processing algorithms. Demodulation is of great importance in Communication Electronic Support systems.
Bulent Tavli +3 more
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Research on Fiber-Optic Strain Signal Processing Based on Demodulation Technique [PDF]
, 2010 A higher performance signal processing module is demanded because of the high sensitivity of fiber-optic sensor probe. Excellent signal processing module is expected have the function of restore the sensor signal and very little to the introduction of ...
Xiao Wei Du, Li Rong Li
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Twice-FFT demodulation for signal distortion in optical fiber FP acoustic sensor
Heliyon, 2020 A Twice-FFT demodulation method for signal distortion state is proposed and experimentally demonstrated in an optical fiber Fabry-Perot (FP) acoustic sensor.
Ningzhe Xing +3 more
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PhotonicsIn this paper, a digitalized polarization fading suppression and phase demodulation technique for a phase-sensitive optical time-domain reflectometry (φ-OTDR) sensing system utilizing polarization diversity virtual coherence is proposed, in which virtual
Xiatong Wu, An Sun, Yanming Liu, Wei Ji
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Design of communication system for ocean expendable sound velocity meter(XSV)
Dianzi Jishu Yingyong, 2019 A communication system based on the ocean expendable sound velocity(XSV) was designed and implemented. The 2DPSK signal was used as the transmission signal, and the single double-stranded enameled wire was used as the communication channel.
Fan Hanbai +3 more
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A Generalized Demodulation and Hilbert Transform Based Signal Decomposition Method [PDF]
, 2017 This paper proposes a new signal decomposition method that aims to decompose a multicomponent signal into monocomponent signal. The main procedure is to extract the components with frequencies higher than a given bisecting frequency by three steps: (1 ...
Wei-Xin Ren +4 more
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Signal processing steps in the probabilistic amplitude demodulation (PAD) model. [PDF]
, 2023 Example of an amplitude modulation (AM) hierarchy derived by recursive PAD application. In the first demodulation round (left column), the data (a) are demodulated using PAD set to a fast time scale.
Yukie Nagai (6844217) +3 more
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Errors in the demodulation algorithm with a generated carrier phase introduced by the low-pass flter
Научно-технический вестник информационных технологий, механики и оптикиIn this paper, we study the errors of the homodyne demodulation method based on arctangent function solutions (PGC-ATAN) which are associated with the use of a low-pass flter (LPF) in this signal phase demodulation algorithm.
G. P. Miroshnichenko +2 more
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