查询词典 harmonic function

Taking the harmonic attenuation of the 10KV power distribution network at the 110KV substation in a smeltery as object of study, this dissertation aims to do research on the control strategies and its industrial application technologies for eliminating harmonic in medium and high voltage power network, prepare theory and teclinological knowledge for its universal application in our country, and accumulate experiences for its high-voltage and high-power application.

本文以某冶炼厂110KV变电站10KV馈电网的谐波治理为研究对象，旨在研究中压、中等容量电网的谐波治理控制策略和工程应用技术，为有源电力滤波器在国内的早日普及应用奠定理论和技术基础，为高压、大功率APF的应用投石问路、积累经验。

According to the geomagnetic 3 component absolute survey data of China for 1950～1990, and using the method of spherical cap harmonic analysis, this study calculates the spherical cap harmonic models of the geomagnetic residual field in China for 1950～1990 and draws corresponding residual maps.

根据中国1950、1960、1970、1980年和1990年地磁三分量绝对测量资料，使用球冠谐和分析方法，分别计算1950～1990年各个年代中国地磁剩余场冠谐模型。

Geomagnetic field ; Spherical cap harmonic analysis ; Chinese geomagnetic reference field ; Spherical cap harmonic model.

地磁场；冠谐分析；中国地磁参考场；冠谐模型

Based on the geomagnetic survey data in the eastern and central region of China for 1936, and DGRF1935 and DGRF1940, using the method of spherical cap harmonic analysis, the spherical cap harmonic model of the Chinese geomagnetic reference field for 1936(CGRF1936) is calculated.

根据 1936年中国东部和中部地区的地磁测量资料，以及国际地磁参考场DGRF1935和DGRF194 0 ，用冠谐分析方法计算 1936年中国地磁参考场的冠谐模型。

The spherical cap harmonic, rectangular harmonic and equivalent source models of satellite magnetic anomalies which derived from the same Magsat data can best express the distribution of the satellite magnetic anomalies.

根据相同的MAGSAT资料，计算的卫星磁异常冠谐模型、矩谐模型和等效源模型都能很好地表示卫星磁异常的分布。

In this condition, the parallel transformer can exhibit nearly zero impedance to harmonic current and very high primary self-impedance to fundamental current and thus lead harmonic current in power systems to flow into the transformer branch. With a step-down transformer, the power semiconductor switches of the active power filter are always worked in relatively low voltage, which ensure the security and reliability of the active filtering device.

实时检测并联变压器一次侧的谐波电流，根据谐波补偿条件，得到谐波补偿电流的指令信号，通过电力电子变流器跟踪产生谐波补偿电流注入到二次侧补偿绕组中，使得并联变压器对谐波电流呈现近似为零的低阻抗，对基波电流呈现很大的一次侧自阻抗，从而输导系统中的谐波电流流入并联变压器支路。

Them, it introduces Three Phase Ferromagnetic resonance circuit thoroughly and makes a further analysis of its generation of high harmonic, harmonic ferroresonance and the mathematical model of subharmonic.

然后详细地介绍了三相铁磁谐振电路，对其所产生的谐波谐振、基波谐振、分频谐波谐振建模，做了进一步的分析。

Total harmonic distortion, another ADC specification you need to watch, is the ratio of the rms sum of the powers of the harmonic components, or spurs, to the input-signal power

总谐波失真，另一个要注意的ADC指标，定义为谐波成分的均方根和，或者是输入信号功率的比值

Toccata reveals a mixed image, having in mind the style imitations, and rasembles toccatas of 20th sentury - from the music of Bartok, Stravinski, Prokofiev's harmonic style, Pancho Vladigerov's texture and harmonic originality, and even Chopin's etudes texture.

托卡塔揭示了一个混合的图像，同时具有风格的模仿，并rasembles20香榭舍托卡塔-从音乐的巴托克，斯特拉文斯基，普罗科菲耶夫的谐波风格，潘乔Vladigerov的质地和谐波原创性，甚至肖邦的练习曲纹理。

Every tonality we hear has a different harmonic structure, and that harmonic structure changes over time.

我们所听到的不同的音调有着不同的谐频结构，并且这个谐频结构会随着时间的推移产生变化。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。