heterodyne measurement
英 [ˈhɛtərəʊdaɪn ˈmeʒəmənt]
美 [ˈhɛtərəˌdaɪn ˈmeʒərmənt]
网络 【电子】外差法测量
双语例句
- The method for multi-beam laser heterodyne high-precision measurement of the glass thickness
多光束激光外差高精度测量玻璃厚度的方法 - A New Heterodyne Signal Processing Method for Nanometer Measurement
一种新型的纳米级外差干涉信号处理方法 - The testing principle of the laser heterodyne measurement system is explained.
说明了激光外差测量原理。 - The processing method of heterodyne signals combines integer measurement with fraction period measurement, so it has wide dynamic range and high resolution.
计大数和测小数周期相结合的外差信号处理方法，实现了大的动态测量范围和很高的测量分辩率。 - Laser heterodyne measurement is a detection technique with high sensitivity and it has wide applications in the domains of ranging, tachometry, guidance, tracking and so on.
激光外差探测是一种高灵敏度的探测技术，在测距、测速、制导、跟踪等领域有着广泛的应用。 - Applying acousto-optic modulator for optical frequency shifter, a heterodyne interferometric vibration measurement system is embedded in the phase-shift plane interferometer, and the real-time variation of optical path difference ( from 0 to half-wavelength) is processed by a one-chip RF/ IF phase detector.
以声光调制器作为光学移频器，在移相式平面干涉仪中组合成外差干涉测振系统，可以实现光程差微小变化（范围为0到1/2波长）的实时检测。 - Heterodyne vibration measurement and signal processing for environmental micro-disturbances on phase-shifting interferometer
移相干涉仪环境微扰的外差检测及信号处理 - This paper describes the theoretical analysis of the cross-coupling and parasitic frequency-modulating errors in the twin-channel heterodyne UHF and microwave phase shift measurement system, and discusses the correct combinations of these errors in various cases.
本文对超高频或微波频段双通道外差法相移测量系统中的交义耦合误差和寄生调制误差作了理论分析，并讨论了它们之间在各种不同情况下的正确合成规律。 - In this paper, signal conversion method ( processing before analogue) are used including RC active and on active notching filters, RC low pass filters, double T filters, switched capacitor filters and heterodyne measurement method, etc.
本文采取了信号变换（模拟前处理）的测量方法，包括RC有源、无源陷波电路、RC低通滤波电路、双T滤波网络，开关电容滤波及外差测量法等。 - A new type of laser heterodyne interferometer for the measurement of absolute distance is proposed. It employs a dual mode He-Ne 0.6328 μ m laser, the technology of optical heterodyne, electric heterodyne and phase comparison to measure the fraction fringe of synthetic wavelength directly.
提出了一种用于绝对距离测量的新型外差干涉仪，它采用0.6328μm双模氦－氖激光器，光外差干涉和电信号混频、比相技术，直接测量合成波小数级次。 - Research on Diffraction Grating Heterodyne Interference Measurement
衍射光栅外差干涉测量的研究 - The signal-to-noise ratio of the nondestructive testing system employing optical heterodyne and ultrasonic techniques is analyzed and calculated from two aspects including phase matching of optical heterodyne measurement in nondestructive testing and the effects of beam incidence on the intensity of heterodyne signal and signal beam.
对光外差超声无损探伤系统的信噪比从两个方面入手进行了计算分析：第一，光外差测量在无损探伤中的相位匹配；第二，光束入射角对信号光光强和外差信号强度的影响。 - The accuracy can be enhanced with optical heterodyne technique and the phase measurement of Doppler signals.
对多普勒信号进行光学外差处理并对多普勒信号进行测相，可以提高测量的精度。 - A new signal processing method for heterodyne interferometer, phase and integer periodic phase measurement, is described.
介绍了一种新的外差干涉信号处理方法&相位及相位整数测量法。 - In order to describe accurately laser heterodyne interferometer measurement in fast ultra-precision, a new model is proposed.
为了精确地描述激光外差干涉在快速超精密测量中的位移测量，建立了激光外差干涉快速超精密测量模型。 - With this new method, it is superior to usual heterodyne interferometer and beat interferometer for absolute distance measurement in anti-interference, short measurement time and high accuracy.
此法避免了该领域常用的外差干涉仪的不足和拍波干涉仪结构复杂的问题，而且测量精度高、抗干扰能力强、测量时间短，使绝对距离测量技术更具有实用性。 - A new auto-collimating method is described in this paper for the precision optical system used in space, which is developed on the principle of heterodyne interferometer. The measurement error of a typical collimated system has been analyzed.
基于外差干涉仪原理描述了用于精密空间光学自动准直的新方法，分析了利用这种方法进行光学测量的系统误差。 - On the Grade "ji" Design of a Laser Heterodyne Interferometer for 2 D Nanometer Scale Measurement
纳米级二维激光外差干涉仪的设计 - The theory of the optical heterodyne measurement system is expounded and the principle and merit of ultrasound pulse generated by a laser pulse are analyzed.
对光外差系统的测量原理进行了说明，分析了由激光脉冲激励超声的原理和优点。 - Nonlinear errors caused by mis-installation of common-path heterodyne interferometer affected the measurement precision of the system.
共光路外差干涉仪具有很高的分辨率，但因为安装、调试误差会产生非线性误差，影响系统的测量精度。 - Study of heterodyne ellipsometry for nanometer film measurement
纳米厚度薄膜外差椭偏测量技术的研究 - Optical heterodyne measurement of phase retardation of wave plate
光学差拍方法测量波片的相位延迟 - An approach based on laser polarizing heterodyne astigmatic principle was proposed for absolute tracing measurement of discontinuous surfaces.
提出一种基于激光偏振光差动像散原理的非连续曲面绝对跟踪检测方法与技术。 - Basic Requirements of the Delayed Self Heterodyne Spectrum Measurement System
延时自外差测谱系统的基本要求 - Phase Matching of Optical Heterodyne Measurement in Nondestructive Evaluation
光外差测量在无损探伤中的相位匹配 - Dual Mode He-Ne 0. 6328 μ m Laser Heterodyne Interferometer for Absolute Distance Measurement
用于绝对距离测量的0.6328μm氦－氖激光外差干涉仪 - The Balanced Dual-mixer Heterodyne for Measurement of Phase Difference between two Coherent Lights
对称双混频外差法测量相干光的相位差 - Observe the stable 100 MHz IF heterodyne signal at the moment of experimental measurement. Meanwhile we verify the effect of polarization mismatching factor on heterodyne efficiency.
实验中观测到了稳定的100MHz外差中频信号，并验证了偏振失配因子对外差效率的影响。 - Laser heterodyne interfer vibration measurement has particular advantage in nano-level vibration measurement for its high precision.
激光外差干涉的振动测量具有很高的精度，在纳米级振动测量中有着独特的优势。