difference frequency
英 [ˈdɪfrəns ˈfriːkwənsi]
美 [ˈdɪfrəns ˈfriːkwənsi]
差频
双语例句
- Throughout analyzing the XLPE power cable insulation aging caused by the water tree, the on-line monitoring system design based on the difference frequency is presented.
通过对基于固体绝缘老化诊断方法的对比，得出检测电力变压器油中糠醛浓度是评价固体绝缘老化状态的有效方法之一。 - Study on the Electro-optic Polymers for Broadband Terahertz Generation Effects of gain saturation in terahertz radiation based on difference frequency generation
适用于宽带太赫兹辐射体系的高分子电光材料的研究增益饱和对光学差频产生太赫兹辐射的功率和稳定性的影响 - To overcome the disadvantages of light intensity difference frequency stabilization, the dithering frequency stabilization for four frequency differential laser gyro is studied in this paper.
为避免传统光强差稳频方式的缺陷，提出了四频差动激光陀螺小抖动稳频方法。 - Study on the Difference Frequency Circuit of MEMS Resonant Accelerometer
谐振式微加速度计差频检测电路研究 - Influence of input duty cycle on difference frequency performance based on XOR gate mixer
输入信号的占空比对异或门混频器差频输出的影响 - Choice of Difference Frequency Changer Capacity Based on Electric Motor Load
基于电动机负载差异的变频器容量选择 - Study on Multiple Frequency CW Ranging Method Based Quadric Difference Frequency
基于二次差频的多频连续波测距方法研究 - The Measurement of Water Vapor Isotope Based on Mid-Infrared Difference Frequency Generation
基于中红外差频激光测量水汽分子同位素丰度 - Effects of gain saturation in terahertz radiation based on difference frequency generation
增益饱和对光学差频产生太赫兹辐射的功率和稳定性的影响 - A Finite Difference Frequency Domain Method for Waveguide with Rough Surface and Imperfect Conductor
分析表面粗糙有耗波导传输特性的频域有限差分方法 - 2, Influence of varying effective index and stochastic deviations of domain boundary on the conversion efficiency of difference frequency generation ( DFG) in quasi-phase-matching ( QPM) waveguides are analyzed.
分析了变有效折射率和畴边界随机偏差对准相位匹配波导中差频转换效率的影响。 - A new ranging method based on quadric difference frequency is presented.
提出了一种基于二次差频测距的新方法。 - All-optical wavelength conversion ( AOWC) is mainly implemented by using four nonlinear effects: cross gain modulation ( XGM), cross phase modulation ( XPM), four wave mixing ( FWM), and difference frequency generation ( DFG).
实现全光波长转换主要利用四种非线性效应：交叉增益调制（XGM）、交叉相位调制（XPM）、四波混频（FWM）和差频（DFG）效应。 - A formula of atmospheric refraction error of range measured by difference frequency delay method is presented.
给出了用差频延时法测距的距离折射误差计算公式。 - An automatic balancing head employing permanent magnetic difference frequency motor ( PMDFM) is designed in the paper, to realize a non contact transmission of control signal and driving energy between a control element and the balancing head.
设计了使用永磁差频电动机的自动平衡头，实现了控制单元和平衡头之间控制信号和驱动能量的无接触传递。 - Preparation of sample of grain moisture measurement, design and implement of project, analysis of data which affect moisture measurement. The relationship of moisture, difference frequency, temperature and weight is pointed out.
粮食水分检测样本的制备，数据采集方案的设计及具体实施，最后通过对影响水分检测各因素之间的数据分析，指出了水分与差频、温度、紧实度之间的关系。 - The signals of four-wave parametric oscillation and four-wave difference frequency mixing have also been observed.
实验中还观测到了四波参量振荡和四波差频的信号输出。 - A zero phase difference frequency tracking control circuit for induction heating power supply and its frequency tracking method, phase compensation method and starting of the power supply are analyzed.
对感应加热电源无相差频率跟踪控制电路的频率跟踪方法、相位补偿及起动问题进行了理论分析和实验研究； - In the rotate difference frequency control of variable-frequency adjustable-speed system, we design a new control machine. It develops the difference frequency between the sensor oscillator output and the reference oscillator output.
本文对转差频率控制变频调速系统中的控制器进行了设计。为了满足不同电容值的传感器，同时为了克服频率输出受温度、电源波动等干扰的影响，论文提出了频率处理电路的设计。 - Principle of step motor divided drive and principle of difference frequency subdivision inductosyn system are introduced in this paper. And the build up and work principle of the inductosyn closed loop control variable step step servo system are also introduced.
本文介绍了步进电机细分驱动原理和感应同步器差频细分测量原理，并在此基础上介绍了感应同步器闭环变步距步进伺服系统的构成及工作原理。 - Both the analog and the digital scheme on the traditional difference frequency method are realized.
文中以传统的差拍测频法为平台，分别以模拟和数字两种形式实现此方案。 - Sliding difference frequency vector controls motor. Using simply varied structure and forecast calculation makes the system run smoothly.
电机采用滑差频率矢量控制，运用简单变结构和预测运算，使系统运行平稳。 - The Application of the Finite Difference Frequency Domain Method in Two Dimension Periodic Guided Waves Structures
频域有限差分法在二维周期导波结构中的应用 - A difference frequency measurement structure between two SAW one-port resonators has a high sensitivity and a little temperature impact. It also can compensate the hysteresis errors.
由两个SAW谐振器组成差动式测量结构，具有较高的灵敏度，并减少了温度对测量结果的影响，对迟滞效应带来的误差有一定的补偿作用。 - With the initial condition of excitation of the second-order nonlinear acoustic waves, the analytical expressions of sum frequency and difference frequency acoustic fields have also been obtained in the present paper.
由二阶非线性波的初始激发条件，本文还得到了和频差频声场的解析表达式。 - Due to existing the USAE signal and difference frequency signal brought by nonlinearity, dual-frequency HIFU has very different effect on the tissue of focal region compared with conventional single-frequency HIFU.
由于USAE信号和两束入射波非线性相互作用引起的差频波的存在，使得双频HIFU对共焦区组织的作用效果与常规单频HIFU有很大不同。 - The choice of difference frequency crystal and wavelength as well as the phase-matching problem of the three-wave interaction are the key problems in the generation of THz wave via nonlinear optical difference frequency mixing, and it should be seriously considered.
其中，差频晶体和差频波长的选择以及三波互作用的相位匹配等问题是非线性光学差频产生THz波的关键问题，应当着重考虑。 - FM Doppler radio of the fixed distance system transmits frequency modulated continuous wave signal, through the signal processing of the difference frequency signal which is gotten by mixing the transmitted signal and the received signal, the speed and distance information of the target can be valued.
调频多普勒无线电定距系统发射调频连续波，通过对发射信号与回波信号的差频进行信号处理，从而得出目标的速度信息以及距离信息。 - Each object can choose difference frequency, same frequency, or non-pressure parallel with corner function.
本装置最多可控制10个同期对象，每一个同期对象都能根据现场需要选择差频、同频、无压并网，并具有转角功能。 - During difference frequency parallel and same frequency parallel process, the device has the function of alarm, atresia and close brake when the system and the unit voltage and system frequency are too high or too low.
差频或同频并网过程中，对于系统和机组电压过高或过低、系统和机组频率过高或过低具有告警功能，且闭锁合闸。