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- 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。
- Harmonic frequency mixing 谐波混频
- 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。
- A filter with a tuning frequency more than 10% below the lowest harmonic frequency with considerable current/voltage amplitude. 在相当大的电流/电压幅值时.;滤波器的调谐频率比最低值的谐波频率还要低10%25以上
- A high efficiency dual-band RF power amplifier has an output and/or input of a high frequency transistor well terminated at the second harmonic frequency for dual-band operation. 本发明乃一种高效率双频射频功率放大器，提供高频电晶体的输出端与?或输入端于双频操作中有良好的二阶谐波终止。
- 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。
- 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
- Harmonic frequencies in the power grid are a frequent cause of power quality problems. 谐波频率在电网中是造成电能质量问题的常见原因。
- Unfortunately, they also suffer from some disadvantages, such as poor rejection to outside passband, and they are easily to be disturbed by high order harmonic frequencies. 但是也都存在一些共同缺陷，诸如带外抑制能力较差，容易受到高次谐波分量的干扰等等。
- optical frequency mixing technique 光混频技术
- Harmonic Frequency Synthesizer and FSK Modulator 谐波频率合成器与FSK调制器
- harmonic frequency of loudspeakers 扬声器谐振频率
- harmonic frequency characteristic 谐波频率特性
- graded harmonic frequency telegraphy 分级谐频电报
- 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
- The harmonic combination of these tones. 四度和音音调的和谐组合
- C 3-Mode TM is the most advanced ultrasound contrast imaging technology by mow. It uses not only ultrasound signals of the harmonics frequency,but also the half of fundamental frequency and the fundamental frequency. C3 -ModeTM技术是目前最先进的造影剂成像技术 ,它不仅提取了造影剂二次谐波信息 (2fo) ,还同时提取了次谐波 1/ 2fo和基波fo频段的回波信号。
- He varied the transmission frequency. 他变换了无线电传送的频率。
