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- Based on frequency mixing technique, the hardware of this system, including UHF sensor and UHF receiver, was developed. 基于混频技术研制了系统硬件,它包括特高频传感器和特高频接收机。
- With HTS Josephson junction as the mixing element, 50th harmonic frequency mixing at 3mm wave band is obtained on the system. 在该系统上成功实现了高温超导混频器在3毫米波段的50次谐波混频。
- Its error source and the way of changing are analyzed, especially for two factors, i.e., elliptic polarization of laser and installation error of Wollaston prism, which can cause frequency mixing errors in common path heterodyne interferometer. 重点分析了在共光路外差干涉仪中由激光光源的椭圆偏振化和Wolaston棱镜的安装方位角引起的频率混叠误差的大小及变化规律。
- Frequency mixing errors caused by the two factors existing at same time, which are elliptic polarization of laser source and installation azimuthal error of Wollaston prism, were analyzed especially in common path heterodyne interferometer. 着重分析了在共光路外差干涉仪中由激光光源的椭圆偏振化和沃拉斯顿棱镜的安装方位角误差同时存在的情况下,引起的频率混叠综合误差的大小及变化规律。
- optical frequency mixing technique 光混频技术
- Parameters Estimation of BPSK Signal Based on Frequency Mixing 基于混频的二相编码信号参数估计
- Error Analysis of Frequency Mixing for Heterodyne Interferometer 外差干涉仪混频误差分析
- THEORY OF WIDE BANDWIDTH OPTICAL HARMONIC GENERATION BASED ON FREQUENCY MIXING 基于混频效应的宽带激光谐波转换理论
- Study on Heterodyne Ellipsometry and Error Analysis of Frequency Mixing 外差椭偏测量技术及其混频误差分析
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- A Data Acquisition System for Multi-frequency EIT based on Frequency Mixing and Sweeping Technique 一个基于扫频与混频相结合的多频EIT数据采集系统
- Simulation Study on the Application of Frequency Mixing Technique to Detecting UHF PD Signals 应用混频技术提取超高频PD信号及其仿真
- APPLICATION OF FREQUENCY MIXING TECHNIQUE TO ULTRA-HIGH-FREQUENCY PD DETECTION FOR TRANSFORMERS 变压器局部放电超高频检测中的混频技术研究
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- An Optical Parametric Oscillator of KNbO_3 and Its Frequency Mixing in a DAN Crystal Fiber KNbO_3光参量振荡器及其在DAN晶体光纤中的混频
- He manipulated the frequency dial of the radio. 他开始调拨频率键盘。