查询词典 harmonic function

This paper has investigated the expression on rotational motion of earth's surface and Earth's deformation fields with complex vector surface spherical harmonic function, theoretical definition of the crust-fixed reference frames and the terrestrial reference system, and theoretical substantiating to the consistency between them.

徐州师范大学国土信息与测绘工程系，徐州 221116；2。中国科学院测量与地球物理研究所，武汉 430077摘要：本文研究了内核地球模型下的地球表面的旋转运动和地球形变场的复数矢量球函数表示，以及外壳固定参考架、地球参考系的理论定义和它们之间等价性的理论证明。

In this paper, a new numerical method, the coupling method of spherical harmonic function spectral and streamline diffusion finite element method for unsteady Boltzmann equation in the neutron logging field is discussed, and the convegrence and error estimations of this scheme are proved.

针对中子测井问题，研究非定常Boltamann中子输运方程的确定型数值求解方法，给出了求解Boltzmann方程的球谐函数展开和流线扩散有限元耦合方法，证明了这种耦合方法的收敛性和误差估计·实际算例表明此方法是有效

On one hand, profound understanding of harmonic oscillator model through various ways is crucial to understand the essence of quantum mechanics and research into micro physical models by means of quantum mechanics; on the other hand, the application of algebraic approach to solve the eigenvalues and wave function of mechanics is the main means to solve the actual problems in quantum mechanics.

简谐振子模型是量子力学中极其简单又重要的模型，其物理思想在其他相关的学科中都有着广泛的应用，通过多种途径去深入理解简谐振子模型，对理解量子力学的实质和运用量子力学作为工具去研究微观物理模型都有重要的意义；另一方面在实际工作中应用代数方法去求解力学量的本征值和波函数是研究量子力学的主要手段。

Summarize:Measuring function: three-phase voltage、wire voltage、current、frequency、active power、reactive power、power factor、bi-directional active energy、bi-direction reactive energy parameters etc. The additory functional module can conveniently extend DI/DO、harmonic analyzing etc; RS485 communication port, Modbus-RTU agreement ; Wide LCD screen convenient for viewing.

测量功能：三相电压、线电压、电流、频率、有功功率、无功功率、功率因数、双向有功电度、双向无功电度等，增选功能模块可方便扩充DI/DO，及谐波分析等功能；RS485通信接口，Modbus-RTU协议；大屏幕LCD显示。

However, various intrinsic problems exist in a conventional DLL such as narrow operation frequency range, harmonic locking, lack of frequency synthesis function, mismatch among delay stages, and unsuppressed VCDL noise.

但是，传统延迟锁相回路却有著较小操作频率范围、缺乏频率合成弁遄B压控延迟线中相位间不匹配、及压控延迟线的杂讯不能被压制等缺点。使得延迟锁相回路的应用范围受到限制。

And the traditional passive filter's function is also limited for avoiding the resonance and harmonic enlarging. The auto-compensator and harmonics shielding converter transformer can be used to solve these problems, which is based on the principle of the winding ampere and turn's balance. This paper elaborates this kind of transformer filter mechanism. In the view of the HVDC system, a new winding connection plan is proposed, and the filter optimization model is created.

作者基于自耦补偿与谐波屏蔽的换流变压器，针对某实际的HVDC模拟系统，提出了与该变压器配套的滤波装置的接线方案，并将外罚函数法和遗传算法相结合，对上述滤波装置进行优化设计，建立了以初期投资最小为优化目标、满足系统无功需求的滤波器优化配置的数学模型。

Assuming the angular velocity of the beam is given as a harmonic function of time, the rotating sandwich beam is regarded as a parametrically excited system.

假设电流变夹层梁绕固定轴线做随时间变化的简谐周期运动，将变速度转动梁作为一个时变参激振动系统，分析了不同结构和控制参数对失稳区域的影响。

As a diatonic chord that the altered chords even do not belongs to the key, but it can not change the tonality, its function is to strengthen the harmony tension, enrich the harmonic color, and describe the music figures.

内容提要：变和弦作为不改变调性的非本调自然音的和弦，是音乐作品中加强和声力度、丰富和声色彩、表现和声手法、描绘音乐形象的一类重要的和声材料。

As a diatonic chord that the altered chords even do not belongs to the key,but it can not change the tonality ,its function is to strengthen the harmony tension,enrich the harmonic color,and describe the music figures.

变和弦作为不改变调性的非本调自然音的和弦，是音乐作品中加强和声力度、丰富和声色彩、表现和声手法、描绘音乐形象的一类重要的和声材料。

The situation with the machine physics function of every Slave and different configuration, the load that reuse random takes no account of function is balanced, it is very unscientific, the machine that can give machine function difference so brings needless high load, bring the risk of delay machine even, at the same time high-powered database server also cannot develop its physics property adequately.

每个Slave的机器物理性能和配置不一样的情况，再使用随机的不考虑性能的负载均衡，是非常不科学的，这样一来会给机器性能差的机器带来不必要的高负载，甚至带来宕机的危险，同时高性能的数据库服务器也不能充分发挥其物理性能。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。