查询词典 wave theory

The string theory interpretation implies that subtle energies are part of dimensional structures that underlay the phenomena of both matter and energy wave packets.

弦论的解释意味着微妙的精力是三维结构，这种现象背后的物质和能量波包。

The wave resistance optimization adopts Michell method of Linearity theory, and uses non-linear Rankine source method to evaluate it.

优化结果表明该方法可以定性的表达船舶阻力的情况，进而得到阻力性能良好的船体形状。

For the generation of hull form, the mathematic principle of DMSL method is exploited and the contours are designed in detail. Based on Michell integral and the development of wave making resistance theory, a variation method is proposed to connect the hull form with WMR.

然后在概述了兴波阻力理论发展的基础上，推导出了基于Michell积分的兴波阻力对于容许曲面的变分，从而将线型的变化与波阻的变化联系起来，为设计提供了有力的参考。

In this paper, the domestic and international millimeter wave passive detection theory and relevant research development overview are introduced.

本文全面的介绍了国内外毫米波无源探测系统的理论和研究发展概况，阐述了近年来毫米波无源探测系统的进展以及发展趋势。

Wave loads on articulated tower and tanker are calculated by using Morison equation and potential flow theory.

采用莫里森方程和势流理论分别计算了铰接塔和油轮的波浪载荷。

Equivalent linear method based on multiple reflection theory is used in the analysis, the shear wave velocity is calculated from empirical equation got from ground investigation, the dynamic characteristic of soi is taken from the laboratory test and is revised to simulate the liquefaction at the surface.

计算方法采用建立于重复反射理论上的等价线形化法，根据地层探查资料建立了推求地层剪切波速的经验公式，上体的动力作有下变形模量随应力水平的变化规律采用试验曲线。

First, the Noblesse New Slender Ship Theory is introduced and modified to make it suitable for numerical calculation, with which we can calculate the wave-making resistance coefficient of a ship.

首先引入Noblesse新细长船理论，通过在理论方法上的改进，使之适合于半滑行船兴波阻力系数。

Based on the theory of the electromechanical analogy and the special wave equation,the equivalent circuit of the exponential acoustic waveguide was derived,the formula of its impedance transformation was obtained.

基于机电类比原理，从特殊形式波动方程出发，推导出了指数形变截面声波导管的等效电路，从等效电路推导出了声波导管的阻抗转移公式。

Use the data of circuit breaker on-line working conditon monitoring of ShaoXing Power Bureau, applicate wavelet analysis theory and all kinds of signal dispoing methods, focus on vibration signal and winding electric current wave, at last, provide the fault diagnose result of circuit breaker, and build circuit breakers standard finger library and fault finger library.

利用绍兴电力局提供的断路器在线监测数据，应用小波分析理论和各种信号处理方法，重点分析振动信号与线圈电流波形，给出断路器的故障诊断结果，并建立起断路器的正常指纹库和故障指纹库。

Based on laser interferometer theory,Multi-wave interferometer by phase-shift ing method is applied on high-reflective coated optical flatness measurement.

本文以光干涉原理为基础，分析多光束干涉原理特点及其在平面形貌测量中应用可能，提出应用移相方法对被测镀高反膜表面进行调制，得到一系列被调制的干涉图样，经计算机对干涉图样进行自动采集和图像解包裹，获得被测表面的三维形貌数据，并通过实际测试验证了该方法的可行性和科学性。

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％。