• Only those even-order harmonics generated in the output stage itself are canceled.

    只有那些即使次谐波产生输出本身的取消。

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  • This paper proposes the flux mapping method using the higher order harmonics of the neutron equation.

    提出中子方程谐波进行通量拟合方法

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  • The resultant sine wave is smooth enough to drive an LVDT, which attenuates any residual higher order harmonics.

    合成正弦波足够平滑足以驱动衰减残余更高谐波LVDT

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  • The possible influence of nonuniform gaseous medium on high order harmonics generated by femtosecond laser is discussed.

    讨论了气体介质非均匀性飞秒激光谐波产生过程可能影响

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  • We aslo study the effect of the applied field on recording of the first three higher order harmonics of the space charge field.

    当扩散外加电场可比拟时,外加电场空间电荷影响不大;

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  • The errors caused by omission of the high-order harmonics are calculated and a reasonable selection of pulse number is discussed also.

    计算了忽略很高次数谐波造成误差论述合理选择

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  • Also, the harmonic filter is a low pass filter having a frequency cut-off point that attenuates first order harmonics of the output signal.

    此外谐波滤波器具有频率截止滤波器,低通滤波器削弱输出信号的一次谐波

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  • Wave distortion will occur when finite amplitude ultrasonic waves propagate in elastic solids, resulting in the production of higher order harmonics.

    有限振幅超声波固体传播时会发生波形畸变,伴随着谐波的出现。

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  • The formula of harmonic torque of this motor is obtained and the characteristics of every order harmonics are discussed by adopting the principle of magnet coenergy.

    采用能量法观点,从宏观、总体的角度分析得出电机谐波转矩公式研究了各次谐波特性

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  • A key issue in the design of such an inverter is to determine the switching angles so as to produce the fundamental voltage and not to generate specific lower order harmonics.

    研制这种多电平逆变器时关键问题就是如何产生开关角度,并以此来生成电压产生特定谐波

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  • How to deal with three-phase unbalance compensation and how to filter the low-order harmonics, especially the2nd-order, are the two difficulties for reactive power compensation.

    补偿难点在于如何补偿三相不平衡以及如何有效地低次谐波尤其是2次谐波。

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  • These methods can't be used not only to analyze the non integral order harmonics, but to distinguish the eccentricity and the first harmonic, and contain the lager nonlinear error.

    这些方法不能分析谐波不能区分谐波偏心分量,并且含有较大非线性误差

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  • Based on the analysis of spatial harmonics of periodically slotted structure the method for extending operation frequency-band through suppressing higher-order harmonics is discussed.

    基于周期性槽孔结构空间谐波分析讨论了抑制高次谐波以拓展使用频带方法

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  • Based on the hi-orthogonality of the higher order harmonics, the process and formulas for higher order harmonics calculation are derived via the source iteration method with source correction.

    给出了利用谐波双正交性。用带修正迭代方法求高谐波的具体流程公式

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  • In this paper, two simplification methods - decreasing the order of calculated harmonics and approximately treating the damper windings, are proposed and investigated.

    本文探索了两种简化计算方法降低谐波计算次数阻尼绕组近似处理

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  • The filter has no fundamental frequency decay and phase delay, and all harmonics above2nd order are filtered.

    滤波器处的幅值衰减相位延时,能将2次以上的谐波全部掉。

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  • The metering error considers the non linear effect of the voltage coil and current coil in watt hour meter under different order of harmonics and different distortion degree of input waveform.

    计量误差考虑电度表电压线圈电流线圈不同谐波次数以及谐波大小时非线性效应

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  • Two facts are found: (1) For the given laser pulse, the tighter the potential bound the electron, the difficulter scattering harmonics extends to high order;

    结果发现:(1一定强度和频率激光脉冲束缚场抑制谐波的产生;

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  • In order to eliminate the second-harmonics in the output side of single-phase PWM rectifier, the filter circuit consisting of an inductor and a capacitor is often used.

    为了消除单相电压型PWM整流器输出二次谐波影响,经常接入电感电容组成的二次吸收回路,本文对于二次吸收回路的参数选取和运用效果进行了研究。

    youdao

  • In order to eliminate the second-harmonics in the output side of single-phase PWM rectifier, the filter circuit consisting of an inductor and a capacitor is often used.

    为了消除单相电压型PWM整流器输出二次谐波影响,经常接入电感电容组成的二次吸收回路,本文对于二次吸收回路的参数选取和运用效果进行了研究。

    youdao

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