查询词典 harmonic function

With the multiple spectrum character of the ultrasonic generator, an impedance model of ultrasonic transducer under the triple frequency harmonic is built.

本文利用超声电源的多频谱特性，推导出超声换能器在谐振频率三次谐波下的阻抗模型。

To solve the problem the method of vector orthogonalness of characteristic harmonic was developed.

同时研制了新的电弧高速扫描系统。

In power converters, unbalances generate undesirable DC ripple and non characteristical harmonic s in the AC side.

在电力变换器中，不平衡会产生不希望的直流波动以及交流侧无特征的谐波。

It shows that the cutoff of the harmonic can be extended remarkably by optimizing the chirping parameters.

研究表明，通过适当的选取啁啾参数，谐波的截止位置得到了显著展宽。

Diode switches or voltage controlled varactors implement dual-band resonators such that they can offer low impedance at the second harmonic of each frequency band, while, in some cases, presenting high impedance at the fundamental frequency as an RF choke circuit.

利用二极体开关或电压控制变容器实施双频共振器以提供在双频操作中每一个频段之二阶谐波的低阻抗，同时在一些实施例里也提供主频段的高阻抗、具有射频阻塞电路作用。

The role of chromaticism and harmonic ambiguity developed during the classical era.

半音和调式模糊的作用在古典主义时期也得到了发展。

The quality of note relation in semitone and chords sequence has been changed during the course of harmony chromaticism, and compared with the subordination status in classical harmony, they used more initiative in the modern music and contained more elements of chromatic tonality. With its own conception and titles, not the pertain to the roots fourth or fifth chords sequence, the chromatic turned into a individual harmonic sequence itself.

与在传统和声中次要位置相比，近现代音乐中的半音中音关系和弦连接的应用更为主动，也包含了更多的半音调性的因素，并且有了自己的概念与名称，不再是根音四、五度和声序进的附属，真正成为了一种独立的和声序进。

Comparing with the conventional algebraic method, with Circle Diagram Analysis it is easier to obtain and understand some conclusions of Fourier algorithm, for example, the phase and the amplitude of a certain order harmonic.

与代数方法相比较，采用圆图分析法更容易得出和理解富立叶算法的一些结论，如可一次求出某次谐波的幅值与相位。

We arrange it as follows:In chapter one, we give some explicit constructions of harmonic maps from Lorentz space R1,1 to classical semisimple Lie groups SL,SU Sp, SO by using Darboux transformation, i.e., we may obtain a new parallel transport from a known one via purely algebraic algorithm.

全文共分四章，具体内容如下：第一章利用Darboux变换的方法给出从R~(1，1)到经典实半单Lie群SL，SU，Sp，SO的调和映射的具体构造，即从已知的平行移动Φ_λ通过Darboux变换的方法得到新的平行移动？

We've found that on symplectic manifolds there exists a series of Euler-Lagrange cohomology groups different from both de Rham and harmonic cohomology in general and proposed a set of general volume-preserving equations that contain the Hamiltonian equations as a special case.

中文摘要：我们发现在作为经典力学中的相空间的辛流形上有可能存在不同于de Rham上同调和调和形式的上同调，称之为Euler-Lagrange上同调；提出相空间上保体积的一般方程，通常的正则方程是其特殊形式；进而推广了经典力学中著名的刘维定理；同时把Noether定理与上同调联系起来。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。