heterodyne detection
英 [ˈhɛtərəʊdaɪn dɪˈtekʃn]
美 [ˈhɛtərəˌdaɪn dɪˈtekʃn]
外差探测
双语例句
- Proposed is a double-sheet-metal structure FBG temperature sensor system based on heterodyne detection.
提出了一种基于外差探测的双金属片结构光纤布拉格光栅（FBG）温度传感系统方案。 - Research on Brillouin-based Distributed Fiber Temperature and Strain Sensing Using Heterodyne Detection and Signal Processing Technology
外差检测布里渊分布型光纤温度和应变传感及信号处理技术研究 - Research on a Simultaneous Measurement System of Temperature and Strain Distribution Based on Heterodyne Detection of Brillouin Scattering in Optical Fiber
外差检测式光纤布里渊温度和应变分布同时测量系统研究 - The influences of atmospheric turbulence on interference efficiency due to the angle of arrival fluctuation in the laser heterodyne detection system were presented.
研究了大气湍流情况下到达角起伏对激光外差探测系统干涉效率的影响。 - Study on Optical Heterodyne Detection in Synthetic Aperture Ladar Technology
合成孔径激光雷达中激光外差探测技术研究 - Application of holographic phase grating in the laser heterodyne detection system of detector array
全息位相光栅在使用探测器列阵的激光外差探测系统中的应用 - The application of optically pre-amplified receiver in conventional Intensive Modulation-Direct Detection ( IMDD) systems makes its sensitivity close to the sensitivity of heterodyne detection systems.
光前置放大器在强度调制&直接检测（IMDD）系统中的应用，使常规的IMDD系统灵敏度接近了同类外差接收机的指标，而在系统可靠性、稳定性和成本等方面则优于外差接收系统。 - N this paper, the theoretical analysis of a photorefractive adaptive optical heterodyne detection system is presented for the first time.
首次对光折变自适应光外差探测系统的工作状态进行了较全面分析。 - Investigation of the photorefractive adaptive optical heterodyne detection system for high speed amplitude modulated beams
高速调制光光折变自适应光外差探测系统实验研究 - Sensitivity study of the CO_2 laser heterodyne detection system
CO2激光外差探测系统灵敏度的研究 - The principle and experimental results of phase modulation optical heterodyne detection technique for measuring reflection of optical cavity are described.
本文叙述了用位相调制光外差技术探测光学谐振腔反射特性的原理及实验结果。 - This paper presents detector array and holographic phase grating experimental results and analysises for feasible application in CO2 laser heterodyne detection systems. It provides an important basis for their practicability.
本文给出了探测器列阵和全息位相光栅在CO2激光外差探测系统中应用的可行性实验研究结果和分析，为实现实用化提供了重要的依据。 - 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.
外差探测用来探测传感臂和参考臂由于温度变化引起的输出信号的频率差异。 - Study of Photorefractive Adaptive Optical Heterodyne Detection Technology with Pulse Laser
脉冲激光光折变自适应光外差探测技术研究 - Phase Matching of a Heterodyne Detection System
外差探测系统的相位匹配研究 - In this report some problems about the CO_2 laser heterodyne detection are dis-cussed.
本文讨论有关光外差探测的若干理论和实际问题。 - In optical heterodyne detection, the signal photon noise is a dominant factor reducing sensitivity.
在相干探测中，信号光子噪声将是限制灵敏度的主要因素。 - We have studied an all-fibre temperature sensor with heterodyne detection scheme theoretically and experimentally, in which PMF and double frequency laser were used. From that we obtained the linear relationships between the phase and temperature.
介绍了系统的实验原理，对应用了PMF和双频激光，具有光外差检测方式的全光纤温度传感系统从理论和实验上进行了原理性探讨，均得到相位读数与温度之间的线性关系。 - This paper presents an optical communication system algorithm with intensity modulation and nonlinear heterodyne detection.
本文提出一种采用光强度调制非线性外差检测的传输方案。 - A new photorefractive adaptive optical heterodyne detection system
一种新型的光折变自适应光外差探测系统 - It combines the advantage of low light source and heterodyne detection.
采用低相干光源和外差探测的方法，提高了干涉仪系统的灵敏度和信号采集的准确性； - The semiconductor laser spectroscopic measurement system with high sensitivity is established by using the tunable extra-cavity diode laser as the source and by combining the optical heterodyne detection technique and concentration modulation technique for detecting the transient molecules.
以可调谐外腔半导体激光器为光源，结合光外差调制技术、浓度调制技术建立了一套高灵敏度半导体激光光谱测量系统，可用来开展对瞬态分子的高分辨光谱研究。 - Dephasing processes of coherent Frenkel excitons were studied using accumulated photon echo with double modulation and heterodyne detection technique.
用双调制外差检测的累积光子回波技术研究了相干弗兰克尔（Frenkel）激子失相过程。 - Optical Communication System with Intensity Modulation and Nonlinear Heterodyne Detection
强度调制非线性外差检测光通信系统及其性能 - The Quantum Noise in Optical Heterodyne Detection
光外差检测中的量子噪声 - The effect of optical amplifier noise and the four wave mixing in optical fiber on the performance of the multichannel FSK direct and heterodyne detection transmission system with cascaded optical amplifiers is discussed.
研究了光纤放大器噪声和光纤四波混频（FWM）对级联光纤放大器多通道传输系统性能的影响。 - Heterodyne efficiency is an important parameter to evaluate the performance of heterodyne detection system.
外差效率是评价外差探测系统性能的重要参数之一。 - Effects of signal light axis offset and tilt to heterodyne detection are analyzed.
简要分析了信号光光轴偏移及倾斜效应对外差探测的影响。 - Directly detect synthetic aperture laser radar in the idea of synthetic aperture laser radar is under the background of rapid development but facing that optical heterodyne detection over long distances are difficult to implement development.
在合成孔径激光雷达飞速发展的背景下却面对着光学外差探测在远距离上很难实现的现实，直接探测合成孔径激光雷达的想法正是在这样前提下开展起来。 - Firstly, a microwave electro-optical modulation based spontaneous Brillouin scattering heterodyne detection system is proposed and analyzed by comparing the demodulation schemes of temperature and strain when they coexist at the same time.
首先，通过比较温度和应变同时存在时对两者解调的各种检测方案，总结并分析一种基于微波电光调制的自发布里渊散射外差检测系统。