查询词典 oscillation

According to the nonlinear oscillation theory and the obtained equation, the nonlinear characteristics and evolution law of Kunming precipitation anomaly system were studied.

根据非线性振荡理论和昆明地区的非线性振荡方程研究了昆明地区降水距平率系统演变的非线性特征及其演变规律。

By use of the average value way and Green formula,oscillation theorems for such equation satisfying two kinds of boundary value conditions is obtained.

考虑一类非线性抛物泛函微分方程的强迫振动性，利用平均值法和格林公式，在两类边值条件下得到这类方程的振动性定理。

We offer a new method on studying the oscillation of higher order dynamic equation on time scales. And the results generalize the theory of continuous and discrete dynamic equation.

该文所用方法为研究时间模上高阶动力学方程的振动性提供了新的方法，且所得结果也统一和推广了连续和离散的动力学系统的理论。

Oscillation circuit ; Differential equation ; The stability analysis

振荡电路；微分方程；稳定性分析

A geometrical method of judging whether nonlinear differential equation of oscillation has stable solution—phase plane method, is applied to analyze operation stability for the first time.

首次将研究非线性振动微分方程稳定解判据的几何研究方法——相平面法——用于脉冲燃烧运行稳定性研究。

Proceeding from their oscillation differential equation, meeting the position conditions of borders and jointures between adjacent parts, this paper deducts the amplitude expressions of each part of whole system, and makes the stationary wave chart.

从微分方程出发，利用边界条件和各部分之间的连接条件，本文建立了超声传递系统各组成部分的振幅方程，得到驻波波形图。

Finally we consider the half-linear neutral delay dynamic equation A comparison result for the oscillation between the equation and a first order delay dynamical inequality is established.

在本章最后，考虑半线性中立型时滞动力方程建立了方程的振动性与一个一阶时滞动力不等式振动性的比较结果，在此基础上，给出了方程所有解振动的几个充分条件。

Time scale; delay dynamic equation; neutral dynamic equation; oscillation; generalized characteristic equation; Riccati transformation

基础科学，数学，数学分析时标；时滞动力方程；中立型动力方程；振动；广义特征方程； Riccati变换

Applying convection equation describing local precipitation anomaly system and real-time meteorological observatory data, the nonlinear oscillation equation describing Kunming precipitation anomaly system was derived and retrieved.

从描述局地降水距平率系统的对流方程和实际气象观测资料出发，导出并反演了描述昆明局地降水距平率系统的非线性振荡方程。

Combustion instability in liquid rocket engine is investigated with theoretical analyses, numerical simulations and experiments. Nonlinear science, such as Nonlinear Dynamics, Non- equilibrium Thermodynamics, and Wavelets, is introduced in the studies.Nonlinear oscillation equation of chamber pressure is established.

本文结合非平衡热力学、小波分析、非线性动力学等非线性学科，建立燃烧稳定性理论模型，发展两相喷雾燃烧非定常数值模拟程序，利用激光测粒系统，发动机高频热试系统等测试手段，重点围绕液体推进剂的化学动力学过程，对燃烧不稳定进行了较为系统的理论、仿真和实验研究。

Pradeep Indulkar, a senior official at the Maharashtra state Home Ministry say 101 human were killed and 287 injured.

马哈拉施特拉邦内政部高级官员Pradeep Indulkar称，有101人在冲突中丧生，287人受伤。

Mark Frei, a senior vice president of West, says 80% of West's homeagents have some college education, compared with 30% of those whowork in office-based call centers.

Frei说，该公司80%在家办公的人员都拥有本科学位，而在公司电话中心工作的人中只有30%拥有本科学位。