frequency theory

英 [ˈfriːkwənsi ˈθɪəri] 美 [ˈfriːkwənsi ˈθiːəri]

频率学说

医学



双语例句

  1. Frequency Synthesis Theory for Binary to Decimal Conversion
    二进制转换到十进制的频率合成理论
  2. The extinguish of arc of single-phase grounding fault is analyzed with high frequency theory and fundamental frequency theory.
    本文分析了小电流接地系统弧光接地过电压的基本原理及高频熄弧理论和工频熄弧理论。
  3. The Research on Soft Starter for Induction Motor Based on Discrete Variable Frequency Theory
    基于离散变频理论的感应电动机软起动器的研究
  4. A method of frequency reliability sensitivity for dynamic structural systems is presented in the paper based on the frequency reliability theory.
    基于频率可靠性理论提出了动态结构系统的频率可靠性灵敏度的计算方法。
  5. Experimental research on damage detection of cantilever beam based on frequency perturbation theory
    基于频率摄动理论识别悬臂梁损伤方法的试验研究
  6. According to multivariable frequency design theory, this paper studies the coupling between a guided bombs yawing and rolling channels by relative gain.
    文中从制导炸弹的侧向扰动运动方程出发,根据多变量频率设计理论,用相对增益法,研究了制导炸弹航向和滚转通道的交联耦合。
  7. The numerical simulation of time domain with MATLAB/ SIMULINK software verifies the correctness of the analysis results using the frequency domain theory.
    在MATLAB/SIMULINK环境下进行了时域数值仿真,验证了频域理论分析结果的正确性。
  8. Double frequency theory for measuring the parameters of a electric circuit
    电路参数的双频测试
  9. Sedimentation cycle study method and technology using wavelet time frequency analysis theory is mostly studied and exploited. Secondly, a new prediction model based on wavelet time series are developed.
    重点研究和开发了利用时频分析研究沉积旋回的方法和技术。第二,提出把小波分析和时间序列相结合的预测模型应用于大气污染物浓度预测。
  10. The introduction of medium frequency receiver theory;
    介绍中频数字接收理论;
  11. The study of double motors transmission system based on slip frequency theory
    基于差频理论的双电机传动系统研究
  12. Based on analyzing slip frequency theory, the torque speed control algorithm is obtained, and the computer real-time control has been realized by using the VC programming. The running characteristics of the asynchronous motor that it runs with different frequencies and different loads are researched by experiment.
    在分析差频理论的基础上,得出转速转矩算法,并利用VC编程实现了计算机实时控制,对异步电动机在不同频率不同负载下的运行特性进行了实验研究。
  13. Three-phase Boost-type PWM rectifier by passivity-based control combined with frequency domain theory is proposed in the paper, and passivity current controller, output-error compensated controller and frequency domain model of closed-loop system are obtained.
    提出将无源性控制与频域理论相结合来控制三相Boost型PWM整流器,得到无源性电流控制器、输出误差补偿控制器和闭环系统的频域模型。
  14. Research of a new phase-locked frequency synthesis theory and method
    一种新型锁相频率合成理论与方法的研究
  15. Based on frequency domain theory, local errors with different apertures are fitted using Zernike polynomials and experiments on optical elements are made using Zygo interferometer.
    基于频域分析理论,利用泽尼克多项式对不同口径局部误差进行了拟合,并利用齐戈(Zygo)干涉仪对带有不同面形误差的光学元件进行了试验分析。
  16. Based on Bragg scattering theory and Doppler frequency effect theory, X-band marine radar can be used to measure ocean wave and ocean current.
    基于布拉格散射原理和多普勒频移原理,利用X-波段导航雷达可以进行海浪和海流的观测。
  17. Therefore, we develop the programmable divider which use traditional Phase Lock Loop principle and the frequency synthesizer theory. We utilize the CPLD which is developed by Altera and make use of the VHDL to make the design of kernel programme.
    为此,本文研制了程序分频器,它利用了传统锁相环路原理,以及频率合成器的理论,使用Altera公司开发的CPLD,同时使用VHDL硬件描述语言进行核心程序的设计。
  18. Chapter 2 and 3 provide the primary concept and mathematical expressions for the time transfer by laser pulse in two aspects. One is time and frequency theory, the other is satellite laser ranging theory.
    第二、三两章分别从时间频率测量理论和卫星激光测距理论两方面介绍了激光时间传递技术中包含的基本物理概念及公式。
  19. The frequency theory of law strain dynamic pipe measurement is sketched. The frequency formula is deduced out. The relationship between exciting material, frequency and length of piles is reached.
    简述了低应变动测桩的频率理论,推导出了频率公式,得出了激励材质与频率、所测桩长之间的关系。
  20. The frequency theory of low strain dynamic pile measurement is described.
    根据低应变动测桩的频率理论,考虑波在不同介质中的传播特性,推导了频率公式;
  21. And relevant time-frequency analysis theory.
    并介绍了相关的时频分析理论。
  22. The Frequency Spectral Theory and Applications of Nonlinear Control System
    非线性控制系统的频谱理论及应用
  23. A frequency domain theory based on potential flow theory and rigid body dynamic equations is introduced to analyse the response of single moored float body to regular waves.
    首先介绍了用势流理论和刚体动力学方程,分析系泊单浮体波浪运动响应的频域理论。
  24. The physical mechanism about reflection of low-emission glass in near-infrared region is explained by using plasma cut-off frequency theory.
    利用等离子体截止波长理论,解释了低辐射玻璃红外反射的物理机制。
  25. The Experimental Study Of Writing Practice Frequency Theory
    写作训练频因理论的实验研究
  26. Method Based on the digital frequency synthesis theory and FPGA, the main part of a multi-frequency signal source is accomplished.
    方法:根据数字频率合成理论,基于FPGA实现了多频信号源的核心部分。
  27. The parameter estimation mainly includes several kinds of commonly used parametric model establishment and the solution method, such as AR model 、 ARMA model. The non-parameter estimate mainly includes the decomposes frequency estimate theory based on the eigenvalue decomposition.
    参数估计法主要介绍了AR模型、ARMA模型等几种常用数模型的建立以及求解方法;非参数估计主要包括基于特征值分解的频率估计理论,并给出了多信号分类法的计算过程。
  28. The choosing of the parameters of the beam is by the method of estimating inherence frequency theory, and the size of block and spindle are designed logically according to the setting sizes of beam and the ram head.
    横梁的参数根据简单梁理论近似估算固有频率方法进行选择,机座及主轴尺寸根据横梁及机头安装尺寸进行合理设计。
  29. Adopting the expand in frequency domain theory, not the linear prediction in phase space reconstruction algorithms, the reductive computing of boiler tube leak signal is done and validated by experiments.
    舍弃了传统相空间重构的过程中的线性预测模式,采用频域拓展的方法,对炉管泄漏声信号进行了还原计算,并通过实验进行了验证。
  30. The result suggests that 6 recurrence rate can be viewed as the threshold for L2 vocabulary acquisition. ( 3) There are some exceptional problems that input frequency theory cannot fully interpret.
    结果表明六次复现可以看作是二语词汇习得的一个分水岭。(3)同时也出现了输入频次理论无法解释的个别现象。