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Advanced Search Results For "DEMODULATION"

1 - 10 of 5,669 results for
 "DEMODULATION"
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On the Mode of Enhanced VR Virtual Simulation Technology in the Field of Foreign Language Teaching.

Publication Type:Academic Journal

Source(s):Advances in Multimedia. 5/30/2022, p1-13. 13p.

Abstract:This paper combines virtual simulation technology to improve the traditional foreign language teaching mode. Aiming at the problems of traditional phase-shift shadow Moiré profiler, a three-step quadrature-phase demodulation technique using unknown pha...

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BPSK Modulation-Based Local Oscillator-Free IQ Demodulation for Millimeter Wave Imaging.

Publication Type:Academic Journal

Source(s):Journal of Sensors. 11/5/2021, p1-9. 9p.

Abstract:The precision of local oscillator (LO) signal in in-phase and quadrature (IQ) demodulation strongly affects the imaging performance of millimeter wave (mmWave) radars. Therefore, to eliminate the requirement for high-precision LO, a simple yet effectiv...

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Securing Full-Duplex Amplify-and-Forward Relay-Aided Communications Through Processing-Time Optimization.

Publication Type:Academic Journal

Source(s):IEEE Transactions on Vehicular Technology. Jun2022, Vol. 71 Issue 6, p6790-6794. 5p.

Abstract:We investigate physical-layer security of the full-duplex (FD) amplify-and-forward (AF) relay channel. We provide a new perspective on the problem and show that the processing time (delay) at the relay can be exploited to improve the system’s security....

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Autoencoder-Based Signal Modulation and Demodulation Methods for Sonobuoy Signal Transmission and Reception.

Publication Type:Academic Journal

Source(s):Sensors (14248220). Sep2022, Vol. 22 Issue 17, p6510. 15p.

Abstract:Sonobuoy is a disposable device that collects underwater acoustic information and is designed to transmit signals collected in a particular area to nearby aircraft or ships and sink to the seabed upon completion of its mission. In a conventional sonobu...

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High-Precision Cavity Length Demodulation Method for Fiber-Optic Fabry–Perot Sensors Based on Dual Superluminescent Diodes.

Publication Type:Academic Journal

Source(s):Sensors (14248220). Aug2022, Vol. 22 Issue 15, p5898-N.PAG. 13p.

Abstract:A high-precision cross-correlation cavity length demodulation method for fiber-optic Fabry–Perot (F–P) sensors based on two different wavelength superluminescent diodes (SLDs) was proposed. This method can solve the problem of low demodulation accuracy...

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Asynchronous Demodulation Method for Four SSB arranged on Frequency Axis in Mobile Radio Path using Hilbert Transform.

Publication Type:Academic Journal

Source(s):International Journal of Electronics & Telecommunications. 2021, Vol. 67 Issue 3, p445-450. 6p.

Abstract:In this paper, an asynchronous demodulation method for a four-single sideband (SSB) signal arranged on the frequency axis is developed to support burst mode transmission in a mobile radio path and to achieve greater data throughputs. When a reduced pil...

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Digital coherent demodulation of multi-level phase-shift keyed and multi-level differential phase-shift keyed signals.

Publication Type:Conference

Source(s):AIP Conference Proceedings. 6/22/2022, Vol. 2467 Issue 1, p1-7. 7p.

Abstract:The possible options in designing digital coherent demodulators of multi-level phase-shift keyed (MPSK) and multi-level differential phase-shift keyed (MDPSK) signals based on a digital phase detector are studied. The demodulation algorithms are introd...

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A single-frame spatial carrier phase-shifting method realized by minimizing the coefficient of variation.

Publication Type:Academic Journal

Source(s):Journal of Modern Optics. Apr2022, Vol. 69 Issue 7, p359-367. 9p.

Abstract:An advanced spatial carrier phase-shifting algorithm based on minimizing the coefficient of a variation method is proposed, which realizes the phase extraction of a single-frame spatial carrier fringe pattern. In our test, compared with the existing cl...

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Reliability Demodulation Algorithm Design for Phase Generated Carrier Signal.

Publication Type:Academic Journal

Source(s):IEEE Transactions on Reliability. Mar2022, Vol. 71 Issue 1, p127-138. 12p.

Abstract:Phase-generated carrier (PGC) demodulation technology has been widely used in fiber-optic interferometric sensors system in recent years. Nonlinear errors caused by interference noise and parasitic amplitude modulation (AM) are key factors that affect ...

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Adaptive Demodulation in Impulse Noise Channels.

Publication Type:Academic Journal

Source(s):IEEE Transactions on Vehicular Technology. Feb2022, Vol. 71 Issue 2, p1685-1698. 14p.

Abstract:Electromagnetic interference causes considerable performance degradation on wireless communication systems. The performance degradation is largely affected by the characteristics of the interference. Impulse interference commonly occurs in industrial a...

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