查询词典 wave theory

Based on existing theory of dielectric resonator, several difference configuration whispering gallery modes dielectric resonator and the characteristic of coupling between such a resonator and millimeter-wave transmission line are studied by means of electromagnetic theory, microwave theory and microwave circuit theory in this dissertation.

本文在现有的介质谐振器分析理论基础上，利用电磁场理论，微波理论和微波电路理论对几种不同的结构的边廊模介质谐振器和它与传输线间的耦合进行理论分析，并用数值计算的方法分析求解了这些边廊模介质谐振器的电磁参数和电路参数。

Today (it shall, 1698), from Manchuria Yan Lassan Khutuktu preach,"photo category learning","kosa theory" and "solemn theory" and "meso-Mahayana theory" taught in a multi-Kang area 4 on the and its commentaries, with the upper and lower density homes the same teachings, but also self-cultivation Xianmi two laws, there are 500 monks, but also the three major monasteries of the wave rather Kang village monk the source.

现今（应即1698年），由满洲颜拉散呼图克图宣讲《摄类学》、《俱舍论》、《庄严论》和《中观大乘论》，在多康地区讲授的四论及其注疏，与上下密院的教法相同，而且修行显密二法，有五百名僧人，同时也是三大寺的波颇康村的僧源。

Based on Born approximationmethod and the local principles of wave function in inhomogeneous medium and theray theory and the integral equation theory,this dissertation researches the theory andsimulation of the inversion method of large perturbational medium parameters andbreaks through the approximation condition of the small perturbational parametersand the weak scattering in traditional inversion method.

本文在Born近似方法的基础之上，基于非均匀介质中波函数局部理论和射线理论及积分方程等理论方法，对大扰动参数反演方法的理论和数值模拟进行了研究，突破了传统反演方法要求的参数小扰动和弱散射条件。

This research is to use conductive fiber to be an electromagnetic-wave absorption screen layer. This theory of electromagnetic-wave absorption is based on the knitted structure, which enables the electromagnetic-wave interference, diffraction and reflection on the screen layer effective.

本研究主要利用导电损失的导电性纤维，制作为平纹针织结构作为电磁波吸收体之护幕层，此部份的电磁波吸收原理是利用针织物特殊之材料结构性质使护幕表面达到有效之电磁波干涉、绕射、多重反射之衰减。

Due to the particularity of the blasting seismic wave ,the paper firstly introduce formation and categories of seismic wave and the way how to gather and pick-up signal of blasting seismic wave.in addtion , it also introduce two ways——frequency spectrum and wavelet theory to dispose and analyse the signal.

鉴于爆破地震波的特殊性，本文首先介绍了爆破地震波的形成和种类，爆破地震波信号的采集和提取以及对采集信号进行处理的两种分析方法——频谱分析和小波理论，接着针对云南小湾水电站的爆破震动测试对爆破地震波的特点以及传播规律进行了归纳和总结，并通过回归分析对经验公式进行了修正。

The dynamics model of missile sealifts system for navy ships connected parallely is established. The dynamics simulation analysis of system is studied. The dynamics characteristic of missile box on the condition of different sea states and place parameters of crane are analyzed. The theory and technology bases for the design of system of missile sealifts or navy ships connected parallely are presented. The controlled multibody system dynamics of the system of missile sealifts with wave compensation for navy ships connected parallely is presented. On the condition of stochastic momevement of depot ship and incept ship and under the action of sealifts and wave compensation, the dynamics of sealifts system is studied by using discrete time transfer matrix method of multibody system. The calculate method of electric machine impule is developed in the process of supplying missile and action of wave compensate. Based on the PLC control system, the control method, which control supply process by testing torque of guide strings is presented.

本文建立了舰艇并靠导弹补给动力学模，进行了舰艇并靠导弹补给及波浪补偿系统动力学仿真分析，获得了导弹箱在不同海况下和舰用起重机不同位置参数的运动规律，为舰艇并靠导弹补给系统设计提供了理论依据和技术基础；建立了舰艇并靠导弹补给及波浪补偿受控系统多体动力学，在补给舰和被补给舰随机运动下，在补给和波浪补偿系统作用下，应用多体系统离散时间传递矩阵法进行了补给系统动力学分析，得到了导弹补给过程中，波浪补偿时，导引电机和卷扬电机输入电机脉冲计算方法；建立了以PLC 控制系统为核心，用扭矩传感器测量导引带产生的扭矩来控制补给过程的控制方法；对系统振动问题进行了研究，提出了通过调整伺服电机参数减少系统振动的方法。

For frequency information fluid identification technology:the basic theory of fluid identification based on frequency information has been introduced,for inner and external factor affecting frequency,some steps have been proposed to attain reserved amplitude and frequency analysis data with high resolution,high S/N ratio;through the comparison of time-frequency analysis method, the high accuracy time-frequency analysis method has been selected to extract time-frequency attributes;the analysis method flow of common single frequency fluid identification has been proposed,according to the data of full frequency band,several anomaly zone modes of common single frequency attribute have segregated; incorporating converted wave and compression wave,fluid identification method based on PS wave combined time-frequency analysis has been proposed;the AVO property of various fluid type in frequency domain has been studied;the generalized fourier analysis method,Proni absorption filter has been introduced,and researched for anti-noise and for the seismic processing interpretation flow.The above technology have been applied to fluid identification of organic reef in WBT area in the east of Sichuan and fluid identification of clastic rock in GUANGAN area in the middle of Sichuan,the results show that the above methods are effective.

基于频率信息的流体识别技术方面：介绍了利用频率信息流体识别的基本理论，针对影响频率的内、外在因素，提出一些针对措施，以获得高分辨率、高信噪比的保幅、保频分析数据；通过时频分析方法的比较，选取高精度的时频分析方法提取时频属性；提出共单频属性进行流体识别的分析方法流程，结合全频带数据，分出几种共单频属性异常带模式；联合转换波资料和纵波资料，提出基于纵横波联合时频分析进行流体识别方法；研究了频率域内不同流体类型AVO现象；引进一种广义傅立叶分析方法：Proni吸收滤波，研究其抗噪性以及进行地震处理解释的流程；将这些技术应用川东北五百梯区块进行生物礁储层流体的识别和川中广安陆相碎屑岩的流体识别，取得较好的效果。

Then we find out the exact bounded wave solutions for WBK equation in chapter four. According to the theory of dynamical system, we investigate the explicit exact traveling wave solutions of nonlinear wave equations by using the characters of the closed trajectory connecting equilibrium points and the relations between obits and traveling waves.

在对系统进行定性分析、了解了系统所有可能解的大致形态的基础上，论文第四章给出了WBK方程的精确有界解，应用动力系统理论，利用连接平衡点的闭轨线的特点结合轨线与行波之间的对应关系来研究非线性波方程行波解的有界性及精确的显式表达式。

When the velocity proportion of longitudinal wave to transverse wave of a bed is distinctly different from that of another bed, the reflection factor will be changed with the variation of incident angle according to the elastic wave mechanics, which is the foundation of AVO theory.

由弹性波动力学理论可知，当一种岩层纵、横波速度与另一种岩层纵、横波速度之比明显不同时，反射系数随入射角的变化而变化。

According to the features of traveling-wave fault location,this paper describes the double terminal traveling-wave fault location method which based on the wavelet modulus maxima theory and application and realization of HVDC transmission line traveling-wave fault location.

根据行波定位的特点，介绍了一种基于小波模极大值理论的双端行波故障定位的方法，以及这种方法在HVDC输电线路行波故障定位中的应用和实现方案。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。