In power system, standard time and power system frequency is key parameters.
在电力系统中,标准时间和系统频率是两个重要参量,如何迅速、准确地获取这两个参数是人们关心的问题,GPS时钟-周波测量仪的设计旨在解决这个问题,本文讲述了它的功能、硬件和软件结构设计。
The frequency in the power system varies stochastically,but this kind of variety has its tendency during a specified period.
提出一种利用时间序列分析方法建立的回归模型，根据该模型可以在线进行递推预测电力系统周波变化趋
The mixed Rossby-gravity waves were excited by meridional wind stress on 125°W equatorial Pacific.
在气候平均条件下，东太平洋125°W附近经向风应力可激发出高阶混合Rossby重力波。
high frequency analysis
高周波分析，高频分析
high,medium,low frequency induction heater
高中低周波感应加热炉
The higher modes have shorter periods than the fundamental mode and, moreover, they have higher velocities.
高振型波比基阶振型波周期短，波速高。
Solitary Wave Solutions and Periodic Wave Solutions to Equal Width Wave Equation;
Equal Width波方程的孤立波解雨周期波解
The waves boiled around the ship.
船周围波涛汹涌起伏。
The Periodic Loop Solutions of the Fornberg-Whitham Equation
Fornberg-Whitham方程的周期圈波解
The Periodic Loop Solutions of the Reduced Ostrovsky Equation
Reduced Ostrovsky方程的周期圈波解
Periodic-soliton Wave Solutions for Jimbo-Miwa Equation
Jimbo-Miwa方程的周期孤波解
Periodic Wave Solutions for Klein-Gordon Equation
Klein-Gordon方程的周期波解
A wave that repeats, like the one above, is called a periodic wave.
如上图所示的周期性的波，称之为周期波。
Bifurcation of Solitary Wave and Periodic Wave Solutions for BBM Equation;
BBM方程孤立波和周期波解的分支(英文)
Peakons,Solitary and Periodic Solutions for Generalized Degasperis-Procesi Equations
广义DP方程的尖波解、孤立波类解和周期波解
The frequency of beta waves ranges from 15 to 40 cycles a second.
β波的频率在每秒15周至每秒40周之间。
Of or relating to the component of lowest frequency of a periodic wave or quantity.
基波的周期波或周期量的最低频率的分力的或与此有关的
From Monday to Friday, the fluctuation of their mood appears to be like the sine wave.
从周一到周日,心境波动呈现出类似正弦波的趋势。
The E-vector makes one complete rotation as the wave advances through one wavelength.
当波前进了一个波长之后，E矢量转了一整周。
In addition to amplitude and wavelength, a periodic wave is characterized by its frequency.
除了振幅和波长，周期波有它自己的频率。
Research on High-order Harmonic Generation and Its Characteristic in Modulated Fibers;
高次谐波及其在周期性波导中的特性研究
