查询词典 harmonics

His most famous piece, and possibly his most popular—though he was never popular—was "Stimmung", or "Tuning"(1968), a sextet for unaccompanied voices on a six-note chord of B-flat that sounded sometimes like a digeridoo and sometimes like blowing across the top of the bottle, and in which the most beautiful harmonics would be interrupted by this

该作品是一首六重奏曲，融入了降B调六位音符的无伴奏声音，它听起来有时像澳洲本土的风琴，有时又像风吹过瓶顶的声音，此外，作品里最美的和声却多了一些杂音，如下

Through studying distribution regularity of switching angle in SHET and the problem found when improving quality and efficiency of output waveform, optimal strategies that double switching angles and minimum pulses are ignored are proposed, the goal that hardware circuit is convenient to be made and more harmonics are eliminated by using less loss switching transistor is reached.

通过对特定消谐技术中开关角的分布规律及在提高输出波形质量和效率时所遇问题的研究，提出了省略开关角对及省略窄脉冲的优化策略，达到了便于硬件实现、功率开关管的损耗较小、而消除的谐波次数较多的目的。

Experiment results show that the stator current is a sine curve with little harmonics, the electromagnetic torque has good dynamic and steady response performance, and the estimated speed can accurately track the actual speed.

实验结果表明，定子电流为正弦波且谐波小，电磁转矩的稳动态性能好，电机的辨识速度能够快速而准确地收敛到真实转速。

The simulation and experiment results show that the stator flux track is a circle, the stator current is a sine curve with few harmonics, the torque has small ripple and fast dynamic response.

仿真和实验结果证明了本文实现的全速度范围异步电机间接转矩控制方案是可行的，系统具有良好的动静态性能，在具有较高开关频率的中小功率应用场合有着非常好的应用前景。

The experimental results show that the stator current is a sine curve with little harmonics,the electrics torque has good dynamic and steady response performance.The estimated speed can accurately track the actual speed.

实验结果表明，定子电流为正弦波且谐波小，电磁转矩稳态和动态性能好，电机的辨识速度能准确跟踪真实转速。

Because a bulk smoothing capacitor is usually installed on the DC side of many AC to DC converters, the characteristics of harmonic loads will be influenced by this capacitor. Nowadays, shunt active power filters can't reduce harmonics effectively for this voltage type harmonic-producing load. Therefore, a series active power filter is designed to meet the requirements of voltage-sourced harmonic loads. Both source current and load voltage are detected in order to reach the compensation voltage for the SAPF.

由於许多交直流电源转换器均在直流端并联一直流电容以作为稳压之用，此大电容将造成负载谐波特性的改变；此类谐波源负载，如果使用现今常见的并联型主动式电力滤波器并不能很有效解决此类谐波问题；因此本文将采用串联型主动式电力滤波器，并配合同时量测电源电流及负载电压的混合式控制模式，即可有效解决此类谐波问题。

This variation will be at least 20% for motors with low spacial harmonics but may be significantly greater.

对于低空间谐波的电动机，这个变化将至少为20%，但也可能远大于此。

To research the relation of oil's laser induced fluorescence intensity and oil temperature, the third(355nm) harmonics pulsed Nd: YAG laser was used as the exciting source, and a multi-track spectrology as the detector, and the intensities of laser induced fluorescence of oil under different temperatures were measured.

研究一种应用较广的油的激光诱导荧光强度与其本身温度之间的关系。用输出波长为355nm的三倍频Nd：YAG激光器做激发光源，用多通道光谱分析仪进行接收探测。

The characters of several current calculation methods of disturbing gravitation are compared and the spherical harmonics function to calculate the disturbing gravitation is adopted.

通过比较几种现有的扰动引力计算方法的特点，采用了球谐函数法计算扰动引力，给出了用几何关系法求落点偏差的方法，分析了扰动引力在导弹飞行过程中的变化趋势和球谐函数模型取不同阶数时扰动引力计算造成的落点偏差，实现了通过合理选取球谐函数阶数来保证扰动引力截断误差较小的快速计算。

There are statistical functions as well as advanced mathematical functions like spherical harmonics.

例如，这里有许多统计函数，比方说高等数学里的球面低函数。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失