同时给出了脉冲外差波形。
说明了激光外差测量原理。
The testing principle of the laser heterodyne measurement system is explained.
所有境外差旅必须得到CEO的事先批准。
由于外差或频差效应，能够得到多普勒频率。
The Doppler frequency can be obtained as a heterodyne or beat effect.
实验结果显示，该系统能获得较好的外差信号。
Experimental result shows that a good heterodyne signal is obtained by the system.
最后简单讨论了激光外差接收机的最佳接收口径。
Lastly, the best receiving aperture of a laser heterodyne receiver is discussed briefly.
本文报导了一种新型的振动激光外差信号处理方法。
In this paper a new processing method of laser heterodyne signals of vibrations is reported.
空间相干光通信中接收天线像差会使光外差效率下降。
Heterodyne efficiency is reduced by aberration of receiving antenna for space coherent optical communication.
艾德温？阿姆斯特朗开发接收机电路—超外差式收音机。
Edwin armstrong develops a receiving circuit-the superheterodyne.
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。
This paper presents an optical communication system algorithm with intensity modulation and nonlinear heterodyne detection.
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。
Optical heterodyne Zeeman modulation magnetic rotation spectroscopy (OHZM MRS) is a high sensitive spectroscopy technique.
而紫外差吸收光谱和荧光光谱的变化与兔肌肌酸激酶的结果相似。
The changes of fluorescence and UV differential spectra are the same as those of rabbit creatine kinase.
本文首先指出了超外差接收机的固有缺点，即它有更多的虚假响应。
This paper first discusses the instinct disadvantage of a superheterodyne receiver, which is that it has more spurious response.
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。
An absolute distance heterodyne interferometer using a dual longitudinal mode he ne laser is proposed.
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。
A new method of measuring eccentricity of rotary turntable by means of optical heterodyne is described.
一种新型的、用于在线测量表面粗糙度的激光外差干涉仪已研制完成。
A novel laser heterodyne interferometer used for on-line measuring surface roughness has been developed.
在本发明的某些实施例中，发射机236可以是直接变频或外差发射机。
In some embodiments of the invention, transmitter 236 May be a direct up or heterodyne transmitter.
六端口雷达与传统的超外差式雷达相比，结构简单，便于集成，成本低。
Compared with conventional super heterodyne radar, it presents several advantages such as reduced system complexity, allowing a higher level of circuit integration and low cost.
介绍了我国有机高分子絮凝剂的产业现状、生产技术水平及国内外差距。
The industrial actuality and technological level of organic polymer flocculant in China are also introduced.
介绍了两种激光外差干涉信号的处理方法锁相频率解调法及组合频率解调法。
Two kinds of signal processing methods for heterodyne interferometer, phase locked frequency demodulation and combinatorial frequency demodulation are presented in this paper.
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。
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.
随着激光外差干涉测量速度的提高，其存在的原理性误差严重影响测量精度。
With the improvement of measurement velocity in laser heterodyne interference, the theoretical error of laser heterodyne interference seriously restricted the accuracy of measurement.
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。
The principle and experimental results of phase modulation optical heterodyne detection technique for measuring reflection of optical cavity are described.
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。
Laser heterodyne interferometer has advantages of high measuring precision and anti-environment disturbance ability.
讨论了微波外差式光纤布里渊传感系统的信号检测原理、参数选择和系统性能。
The signal detection principle, preferences and the system performance are discussed in optical fiber Brillouin sensing system based on microwave heterodyne technique.
下游工程是生物技术产业化的关键，但我国这一领域水平与国外差距十分显著。
Downstream engineering is the key to the industrialization of biotechnology. But the gap in this area between China and other countries is obvious.
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。
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。
Frequency offset locking technology is widely applied in laser heterodyne detection and laser radar, which is of great value.
应用推荐