The pulse laser heterodyne waveform is present.
同时给出了脉冲外差波形。
The Doppler frequency can be obtained as a heterodyne or beat effect.
由于外差或频差效应，能够得到多普勒频率。
The testing principle of the laser heterodyne measurement system is explained.
说明了激光外差测量原理。
Virtually all receivers in use today employ Armstrong 's super heterodyne concept.
实际上所有接收器在使用中今天使用阿姆斯壮的超级外差概念。
Function test and calibration self-heterodyne curve for direction finder on sea trial.
航行试验中测向仪效用试验及自差曲线校正。
Lastly, the best receiving aperture of a laser heterodyne receiver is discussed briefly.
最后简单讨论了激光外差接收机的最佳接收口径。
Aim To develop a laser diode modulated driver power for synthesis heterodyne interference.
目的为半导体激光器合成外差干涉研制一调制驱动电源。
In this paper a new processing method of laser heterodyne signals of vibrations is reported.
本文报导了一种新型的振动激光外差信号处理方法。
In the article, the mathematical model of balanced heterodyne reception was detailed derived.
理论上详细推导了平衡式外差接收的数学模型。
An absolute distance heterodyne interferometer using a dual longitudinal mode he ne laser is proposed.
提出了一种采用双纵模稳频激光器的新型绝对距离测量外差干涉仪。
This paper discusses the principle and form of Heterodyne-CW Doppler fuze and Toothed-FM fuze firstly.
本论文首先分析了外差式连续波多普勒引信及锯齿波调频测距引信的原理和系统组成。
A new method of measuring eccentricity of rotary turntable by means of optical heterodyne is described.
本文介绍了一种利用光外差测量原理测量旋转转盘偏心距的新方法。
An efficient heterodyne frequency method to measure the concentration of oil and water mixture is proposed.
提出了一种利用差拍法测量油水浓度的有效方法。
Heterodyne efficiency is reduced by aberration of receiving antenna for space coherent optical communication.
空间相干光通信中接收天线像差会使光外差效率下降。
Laser heterodyne interferometer has advantages of high measuring precision and anti-environment disturbance ability.
激光外差干涉仪以其测量精度高、抗环境干扰能力强等优点得到了广泛的应用。
The rhomb has been used in the CO2 laser heterodyne detection system, and the transfer efficiency is more than 93 %.
该菱体较好地用于CO_2激光外差接收系统中，其能量转换效率达到93%以上。
Optical heterodyne Zeeman modulation magnetic rotation spectroscopy (OHZM MRS) is a high sensitive spectroscopy technique.
光外差-塞曼调制磁旋转光谱技术是一种高灵敏的吸收光谱技术。
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。
Frequency offset locking technology is widely applied in laser heterodyne detection and laser radar, which is of great value.
偏频锁定技术广泛应用于激光的外差探测、激光雷达等方面，具有重要应用价值。
Experiment results are shown with a heterodyne interferometer by using this method to measure the dynamic displacement of a PZT.
文中还给出了用此方法进行信号处理的外差干涉仪测量压电陶瓷动态位移的实验结果。
This paper describes a new method, Doppler heterodyne measurement method of surface profile, using a simultaneous phase comparator.
本文提出了一种新的方法，多普勒外差法测量表面面形，并首次提出和制作了同步相位计。
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。
Base on the heterodyne laser Doppler theory, a heterodyne laser Doppler vibrometer (LDV) with fiber structure was designed and implemented.
基于外差激光多普勒原理，设计并实现了一套光纤结构的外差式激光多普勒振动计(LDV)。
The principle and experimental results of all-fibre optical heterodyne sys-tem, in which ordinary single mode fibres are used, are presented.
本文介绍了由普通单模光纤构成的全光纤光外差检测系统的基本原理和实验研究结果。
Puts forward a simple method to demarcate the input output characteristic and resolution of the measurement system of heterodyne interference.
结合某一外差干涉测量系统，提出了一个对测量系统的分辨力、输入输出特性进行标定的简单易行的方法。
The super-heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system.
在现代通信系统中，毫米波频段通常采用超外差接收机，混频器作为第一级就成为关键部件。
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。
A heterodyne interference is caused by a frequency modulation of a laser diode (LD) with a ramp injection current, and a linear phase detection is realized.
传感器利用注入结电流直接调频的半导体激光(LD)产生外差干涉，从而实现了干涉相位的线性检测。
A heterodyne interference is caused by a frequency modulation of a laser diode (LD) with a ramp injection current, and a linear phase detection is realized.
传感器利用注入结电流直接调频的半导体激光(LD)产生外差干涉，从而实现了干涉相位的线性检测。
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