在复杂的周期性振荡中,包含基波和谐波。和该振荡最长周期相等的正弦波分量称为基波。相应于这个周期的频率称为基波频率。频率等于基波频率的整倍数的正弦波分量称为谐波。
...整流输出电压和电流的谐波分析 9.1谐波和无功功率分析基础 1.谐波 满足狄里赫利条件,可分解为傅里叶级数 基波(fundamental)——在傅里叶级数中,频率与工频相同的分量 谐波——频率为基波频率大于1整数倍的分量 谐波次数——谐波频率和基波频率的整数比 ...
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... harmonic motion 谐运动;简谐运动;谐波运动 first harmonic 基波 harmonic frequency 谐频;谐振频率 ...
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... fundamental fuel lower calorific value 基准燃油低热值 fundamental harmonic 基波 fundamental law 基本定律 ...
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... fundamental component 基频分量 fundamental frequency 基频、基波 fundamental harmonic 基本谐波 ...
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The key to detect dielectric loss angle is correct extraction of the fundamental wave of voltage and current signal.
介质损耗角大小是判断高压设备绝缘状况的有效参数之一,而准确的提取基波电压和电流信号是检测介损角的关键。
参考来源 - 基于SSI理论的电力系统参数辨识与检测研究A current detection method based on the principle of distinguish phase was adopted. The use of DSP realized real-time detection of fundamental current.
采用了一种适用于单相电路的基于鉴相原理的基波电流检测方法,利用DSP实现了基波电流的实时检测。
参考来源 - 基于双BUCK拓扑的静止变流器和串联混合有源电力滤波器的研究By means of the HHT method, the base wave parameters of the quantized sinusoidal signal were obtained. And then, by some correction to the quantization error, accurate total distortion evaluation was given.
通过对量化后的正弦信号进行HHT,求出正弦信号的基波曲线参数后,然后再通过修正量化误差的影响,最终获得高精度总失真度的评价。
参考来源 - HHT方法及其若干应用研究In the supposed algorithm, the fundamental frequency and the harmonic amplitude-phase parameters are introduced as weights needed to be adjusted. The harmonic parameters are estimated through the adaptive measurement theorem.
该算法将基波频率和谐波幅值、相位共同作为权值参与学习调整,根据自适应研究测量原理估计各次谐波参数。
参考来源 - 谐波基函数神经网络在谐波检测中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
《会说话的鼓》中的阿基波基和《钢鼓》中的道格拉斯“瓦尔”塞兰特也出现了。
Sikiru Adepoju on talking drum and Douglas "Val" Serrant on steel drum and djembe were also appearing.
这种方法不需要硬件同步电路,能实时地计算电源电压中的基波正序分量。
The proposed method doesn't need hardware synchronization circuit and can perform the calculation of fundamental positive sequence component of the supply voltage in real time.
变换器1被控制为一个基波正弦电流源,变换器2被控制为一个可控电压源。
The converter 1 is controlled as a fundamental sinusoidal current source, and the converter 2 is controlled as a voltage source.
And in the inscription he writes, he boasts: "And the god Chemosh said to me, go, take Nebo from Israel.
他在题词中写到,他吹嘘到:,基摩神对我说,去,从以色列手中夺回尼波山。
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