查询词典 harmonic analysis

Then steady forced vibration of the nonlinear Disk spring-mass system under base excitation and force excitation is obtained individually by using the Fourier series analysis and harmonic balance method.

详细探讨了考虑静力载荷影响的、具有弹性非线性和Coulomb摩擦阻尼非线性的碟簧元件的建模和动力学特性，首先利用Fourier级数分析技巧和平均法研究了非线性碟簧-质量系统的自由振动，讨论了影响自由振动的振幅和频率的各种因素，然后利用Fourier级数分析技巧和谐波平衡法研究了地基激励和力激励下非线性碟簧-质量系统的强迫振动，通过详细的参数研究考察了非线性碟簧元件的减振性能特征，最后采用修正的稳定性分析方法研究了两种激励下稳态响应的稳定性。

In this paper,a numerical computing principle of spherical harmonic synthesis and analysis is introduced,and its inherent parallelizability is studied.

1引言球谐分析是将各种全球数据转化成球谐系数的过程，而球谐合成则是其逆过程，它根据一系列球谐系数计算球面上的函数值。

The parallelism of computation of spherical harmonic analysis and synthesis is achieved by applying MPImode of parallel computing based on the Fourier transformation techniques.

特别是在重力场模型的研制中，联合利用各种重力数据，根据球谐分析计算重力场模型系数。

This thesis focuses on the structural form, harmonic vocabularies, and contrapunctal techniques used in Haydn's "Missa in Tempore Belli" and also provides information and suggestions on the performing aspects for the director and members of the choir. The analysis and comparisons of six recordings of this Mass are included as well for further use of performers, educators, and listeners.

以海顿《战争弥撒曲》中「垂怜曲」、「光荣颂」、「信经」、「欢呼歌」、「降福经」与「羔羊赞」等六曲之曲式结构、和声语法、对位技巧等音乐表现为理论依据，提出合宜的演唱教学方法，并从比较分析六个不同演唱版本之表现，寻求符合音乐结构的最佳诠释，以作为教学、演出、研究及欣赏之参考。

Further, we describe the origin of Crystal Oscillator's phase noise and phase jitter, also list a variety of its contributors. Secondly, we make an in-depth study and analysis in allusion to the given oscillatory circuit-Butler common base harmonic circuit.

然后针对特定的振荡电路结构-串联型巴特勒共基振荡电路-进行深入的研究和分析，并对主振电路中主要的噪声源-三极管进行的深入分析，包括激励对三极管及晶体的影响。

This paper gives a detailed analysis of the amplifying harmonic power devices, including the topological graph of the main circuit, the choice of parametrics, the design of the drive and protection circuit with its notice, the design of the control circuit, etc.

介绍了其工作原理，并对谐波功率放大装置做了重点研究，包括主电路的拓扑图设计及元器件参数选择，驱动和保护电路的设计和注意事项，以及控制电路设计等，并对整个谐波抑制装置的性能特点做了总结。

The theoretical analysis shows that the differential of initial phase angle and the interference of harmonic wave are the two main reasons causing the error.

理论分析和数值计算表明，信号初始相角的差异和信号谐波的干扰是引起测量误差的两个主要原因。

The fundamental positive component, which is employed to determine the phase angle of the source current reference, is obtained by performing harmonic analysis on the source voltage, while the magnitude of the source current reference is determined from the viewpoint of energy-balance.

该方法通过对电源电压进行谐波分析，得出电压的基波正序分量，由此来确定电源电流参考的相位信息；同时从能量平衡的角度确定电源电流参考信号的幅值信息。

Secondly, the sinusoidal model, which is the speech production model used in STC, and its simplified model, harmonic sinusoidal model, are depicted in this thesis. Then, the key techniques, including pitch detection, magnitude model presentation, phase model presentation, voice probability analysis, vector quantization and speech synthesis, are discussed.

然后，本文对STC的语音产生模型——正弦模型与谐波正弦模型进行了系统阐述，并对低码率STC的关键技术，包括基音检测、幅度和相位参数的模型表示、浊音度分析、矢量量化以及语音合成等进行了详细研究。

The real variable theory of the Hp space is one of the most wealthiest fields of harmonic analysis from 1970s.

H~p空间的实变理论是上世纪70年代以来调和分析中最富有成果的领域之一。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044