查询词典 harmonic analysis

Numerical simulation proves that the proposed method is more accurate than conventional harmonic analysis method.

数值模拟试验表明，在适当选取点质量埋深度的情况下，本文的点质量调和分析方法较传统的调和分析方法精度更高。

The amending algorithm have the characteristics of easy implementation and high precision, and will be a practical method for harmonic analysis in power system.

该文提出的算法具有实现简单，精度高的特点，从而为电力系统中的谐波检测和分析提供了一种有效的算法。

It is of the harmonic analysis function of 1-40 times, and can communicate with PC via RS485 interface.

可通过RS485微机接口，与PC机实现通讯。

This paper introduces the principles of comprehensive substation voltage and reactive power control, and proposes the hardware structure and characteristics of the high performance MVR-Ⅲ series of this type of systems. It is emphasized that the special harmonic analysis and monitoring function of this system plays a very important role on safety of the reactive power compensa- tion equipment.

简要介绍了变电站电压、无功综合控制的原理，介绍了高性能的MVR-Ⅲ型系列装置的硬件结构及其性能、特点，强调了该系列装置特有的谐波分析和监视功能对无动补偿设备的安全有着极为重要的作用。

The Poly Vinylidene Fluoridemembrane was chosen to produce ultrasonic in transducer due to its higher sensitivity and better flexibility than other piezoelectric material.At the mean time,harmonic analysis to the PVDF film vibration was performed using ANSYS.The results show that the PVDF membrane can produce an ultrasound with afixed resonance frequency.

对各种压电材料进行比较分析，得到聚偏二氟乙烯膜比其它材料具有更高灵敏度和更好柔韧*，通过对其振动特*进行有限元分析，得到PVDF膜在固定频率具有振幅最大值，可知PVDF膜更适合做声频定向超声波传感器的振动膜来进行声音传播的方向控制。

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。

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。

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。

The simulation with simple harmonic analysis on the performance of a regenerator was carried out.

采用谐波分析法，对回热器进行了模拟。

A method of simple harmonic analysis for calculation of regenerator in thermoacoustic heat engine systems is described.

针对热声热机系统回热器的数值计算，讨论了简单实用的简谐分析方法，并对热声制冷机中的热声板叠进行了数值计算与分析。

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％。