Similar words: heterodyne, superheterodyne, heterodyning, edge detection, failure detection, detection, defect detection, fault detection.
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1 In optical heterodyne detection, the signal photon noise is a dominant factor reducing sensitivity.
2 The heterodyne detection is used to detect the output signal frequency difference between the reference arm and sensing arm, which is caused by the temperature variation.
3 The influences of atmospheric turbulence on interference efficiency due to the angle of arrival fluctuation in the laser heterodyne detection system were presented.
4 The principle and experimental results of phase modulation optical heterodyne detection technique for measuring reflection of optical cavity are described.
5 A novel approach to the imaging system by scanning with the advantages of both the confocal scanning mode and the optical heterodyne detection method are scanned.
6 This paper presents an optical communication system algorithm with intensity modulation and nonlinear heterodyne detection.
7 Based on the study of self pumped phase conjugation (SPPC) and mutually pumped phase conjugation (MPPC) coexistence, a new photorefractive adaptive optical heterodyne detection system is proposed.
8 In the proposed system, only one photorefractive crystal is used to attain adaptive optical heterodyne detection, making the system simple and easy to adjust.
9 For detecting high speed amplitude modulated distorting beams, a stable output signal is obtained in a new photorefractive adaptive optical heterodyne detection system.
10 Proposed is a double-sheet-metal structure FBG temperature sensor system based on heterodyne detection.
11 In this paper,[www.Sentencedict.com] the theoretical analysis of a photorefractive adaptive optical heterodyne detection system is presented for the first time.
12 The rhomb has been used in the CO2 laser heterodyne detection system, and the transfer efficiency is more than 93 %.
13 Frequency offset locking technology is widely applied in laser heterodyne detection and laser radar, which is of great value.
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