英语释义

• of or relating to the the beat produced by heterodyning two oscillations

• combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two

片语

self heterodyne自外差

heterodyne system外差系统

heterodyne action[电子]

heterodyne measurement[电子]

heterodyne converter外差式变频器

heterodyne stage外差级

heterodyne beat外差拍频

optical heterodyne光学外差

heterodyne oscillator an oscillator whose output heterodynes with the incoming radio signal to produce sum and difference tones

同义词： local oscillator

英汉例句

• 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。

• 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。

• in this paper the potential for measurement of water brillouin scattering with heterodyne lidar is studied.

  该文分析外差激光雷达测量水体布里渊散射的可行性。

• 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、跟蹤等领域有着广泛的应用。

• in the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.

  本文详细推导了用振幅调制激光为光源外差激光探针的信号光与参考光干涉光强表达式。

• photonic rf phase shifters based on ottd(optical true time delay), heterodyne mixing technique and vector sum technique were introduced. the principles and features were proposed and analyzed.

  介绍了基于光实时延迟线、基于外差混频技术和基于矢量和技术的光子射频移相器，对其工作原理和技术特点作了分析。

• 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。

• the relation between vibration amplitude and exciting voltage, also exciting frequencyof the loudspeaker are measured by laser heterodyne vibrometer.

  用激光外差测振装置测量了扬声器纸盆振动幅度与激励电压及激励频牢之间的关系。

• a new scheme which stabilizes if signal for the coherent fiber communication using double heterodyne phase locked tracking is presented.

  本文提出了一种新的相干光纤通信中频稳定的方案——「二次外差锁相跟蹤」。

• 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。

• 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。

• however, zero if architecture suffers from greater rf impairment comparing with classical heterodyne architectures.

  但是相对于经典的超外差结构，在零中频结构的接收机中射频损伤将更为严重。

• 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。

• an amended method of torque measurement based on laser doppler technology and the principle of optical heterodyne is discribed.

  提出一种基于激光多普勒技术和光学外差的原理进行扭矩测量的改进方法。

• 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。

• 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，分析了由激光脉沖激励超声的原理和优点。

• 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。

• 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。

• 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。

• combining optical heterodyne interferometry with transmitted ellipsometry, a new precision method with high speed was applied to the measurement of nanometer film.

  结合激光外差干涉法和透射式椭偏测量原理，研究了一种快速、高精度测量纳米厚度薄膜光学参数的方法。

• the spectrum form of square-wave controlled laser, optical signal heterodyne detecting device and principle of electrical signal demodulation are considered with emphasis.

  文中着重分析了方波控制激光器的频谱形式、光信号外差探测装置和电信号解调原理。

• 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。

• sound field and spectra thereof were investigated experimentally by utilizing the heterodyne analysis technique, so that both the screech and the wide-band noise can be recorded and studied.

  我们对它的声场和频谱作了详细的实验测量，由于采用外差分析技术，沖击噪声的离散谱和宽带谱可同时记录。

• several methods such as filter, dispersive line, and heterodyne for high power microwave frequency diagnosis are introduced and discussed.

  本文介绍了诊断高功率微波频率的滤波法、色散线法、外差法的原理及其装置的设计、性能和应用结果。

• 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。