查询词典 wave theory

We put forward a new theoretical method named direct laser spectroscopy method, it holds some goodness which spectral method has not, it also showed that it was one of the best methods in molecular dynamics simulation by combined with the best method named chebychev polynomial expansion in time dependent wave packet theory. This had been approved bv example of H〓.

我们提出了一种新的理论方法即直接激光光谱法，这种方法具有以往常用的谱方法所不具备的优点，即高效性，并且通过与含时波包理论中最具有优越性的切比雪夫多项式展开方法结合，使得这种方法在动力学模拟中具有极大的优势，并以H〓分子为进行实验例。

Blue' in the sense of the number of a wave-length in electro-magnetic theory is a concept by postulation.

蓝'，在电磁理论中波长数目的意义上，就是一个用假设得到的概念。

A 3D potential flow theory is carried out to solve the wave-induced coupled motions between two ships.

本文采用三维势流理论求解两船在波浪中相互干扰的耦合运动。

The tools used in the paper contain the probability function and disturbance theory in wave mechanics.

本文中所使用到之工具包含波动力学中之机率函数，及微扰理论。

And the rarefaction wave of small leakage is diagnosed by means of hypothesis test method and fuzzy mathematics theory.

它采用双扭环技术和GPS时钟同步技术实现对传统负压波诊断系统的改进，采用假设检验和模糊数学理论对小泄漏故障负压波进行诊断。

Thedetailed work includes: 1、The basic theory of Ka-band power amplifier is researched, and four structures usedoften in millimeter wave Wilkinson divider, rat-race hybrid, dire...

利用放大芯片RMDA20420，制作了单片MMIC功率放大器，测试表明该放大器在工作频带内增益大于20dB，符合设计要求。

Such ray theory has been used widely in the study of wave refraction problem.

这样的射线理论已被广泛地应用于研究波浪拆射的向题之中。

Basing on electromagnetism theory characteristic of light wave, the formula of the relation of refringence e light is inferred under any axis location and any angle, when it is refracting.

基于平面光波在晶体中传播的电磁理论特性，推导了光波在晶体表面折射时，双折射光波中e光线透过晶体出射点的位置受到任意光轴取向、任意入射角影响的关系式；利用MATLAB对关系式进行了数值计算分析，绘出双折射e光与任意光轴取向、任意入射角关系曲线，并给出了对应的定量关系式；实验验证了该公式是正确的。

Computer optical element based on light-wave diffraction theory is through that etches on film base to produce relievo structure with two or multiple sidestep depths , and form pure phase and coaxial recurrence , so it has higher diffraction efficiency .

计算机光学元件基于光波衍射理论，通过在片基上刻蚀产生两个或多个台阶深度的浮雕结构，形成纯相位并同轴再现，使其具有极高的衍射效率。

But a new theory show that the magnetized plasma can also be resonant heated by low frequency wave.

而这一理论又有新的发展，即认为在低于粒子回旋频率的情况下也可能实现粒子的共振加热。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。