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harmonics相关的网络例句

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与 harmonics 相关的网络例句 [注:此内容来源于网络,仅供参考]

We proposed a set of tabulate shim coils to improve the imaging field homogeneity for permanent magnet. By studying the magnetic spherical harmonics and its Taylor expansion, the proposal of designing lower-order radial coils was derived including x, y, xz, xz~2, x~2-y~2 etc. In addition, a novel composite design was presented for the axial coils. By controlling the shim currents of axial coils, different axial magnetic fields can be obtained. This method simplified the design process of axial coils, and made the axial correcting magnetic field more precise.

本文针对永磁体的组成结构提出了一种平板式匀场线圈设计方法,通过研究成像磁场的球谐函数以及通电圆弧在自由空间产生磁场的泰勒展开级数,导出了x、y、xz、xz~2、x~2-y~2等低阶径向线圈的设计方法,同时针对轴向线圈提出了一种新的混合式设计方案,能够通过控制线圈中的电流组合实现对不同轴向磁场分量的获取,简化了轴向线圈的设计过程,提高了校正磁场的准确性。

A sort of SPIC—PFC circuit also gradually become a major concern for research along with the concern of power harmonics pollution.

智能功率集成电路中的功率校正电路也随着人们对电源谐波污染的关注而逐渐成为一个重要的研究对象。

By analyzing the characteristics of the several common load harmonic sources, this paper inducted the resistance formulas, sequence resistance and sequence impedance matrixes of tri-phase universe loads, star and triangle connection loads under harmonics condition.

在分析几种常用负载谐波源特性的基础上,推导出了在谐波环境下三相通用负载、星形和三角形联结负载谐波源的阻抗计算公式、序阻抗和序导纳矩阵。

There is much high order harmonics from the inverter, so the high frequency model of the step-up transformer is established to study the influence of the stray capacitors.

同时由于变频器向该系统注入了大量的高频分量,为此建立了变压器高频分布模型,以评估变压器分布电容对全系统的影响。

Now if the pedal is depressed after the note is struck, there will be sympathetic vibration in octave and harmonic strings, but all the other strings will be almost totally quiet because the standing waves contain only pure harmonics.

钢琴不只选择性的让常态模式留在钢琴中,还会选择性的发出常态模式的音响。如果在弹下一个音之后再踩下延音踏板,此时就只有八度音及一些和弦音的弦会受到影响而震动,其它的弦几乎都不会受到影响而保持静止状态。

The last part of this paper treated the results with the assistance of spline function and Nth-degree harmonics cam approximate. Thus, the new function of tappet, speed and accelerated speed was gained and the whole designing process was completed.

文章的最后部分分别用样条函数方法和N次谐波凸轮逼近方法对计算结果进行处理,得出新的从动件升程、速度和加速度的解析式,从而完成整个设计过程。

With the theory of hypothesis test, the sine spectral estimator can be used to detect the harmonics and to estimate the parameters exactly.

利用以上推导的多正弦窗谱分析方法提出了一种检测色噪声背景中的多频信号的测量方法。

The truncation error in calculating the harmonic loss is analysed and a method is offered to determine how many times harmonics must...

文中还对谐波损耗计算的截断误差进行了理论分析,确定了谐波损耗所需计算的最少谐波次数。

It features variable gain and variable tube process saturation for adding harmonics.

该放大器使用可调增益及可调电子管处理使音色饱满

A robust support vector algorithm for harmonics analysis of electric power system .

电力系统谐波分析的稳健支持向量机方法研究。

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