first harmonic

英 [fɜːst hɑːˈmɒnɪk]

美 [fɜːrst hɑːrˈmɑːnɪk]

一次谐波；基（谐）波

电力

英英释义

noun

• the lowest tone of a harmonic series
  Synonym:fundamentalfundamental frequency

双语例句

• First Harmonic Saturated Absorption Frequency Stabilization of Lasers Using Sampling Integration Technique
  利用取样积分实现激光饱和吸收一次谐波稳频
• The first harmonic winding and harmonic winding no-load property curve are gained when field current is change.
  通过改变励磁电流的大小，得到了基波绕组和三次谐波绕组的空载特性曲线。
• Harmonic analysis of angle measuring error has been done through Fourier analysis theory. First harmonic, second harmonic and third harmonic have been compensated with the method of software. Finally, measuring results have satisfied the specific requirements.
  利用傅立叶分析理论对测角系统的误差进行谐波分析，补偿一、二、三次谐波误差，得到补偿公式，通过软件方式实现误差补偿，最后使得测量结果满足技术指标要求。
• The first harmonic measurement is achieved using analog filters, because the error is too large, real bad, harmonic measurement process is no longer the preferred method.
  最早的谐波测量是采用模拟滤波器实现的，由于误差太大，实时性太差，谐波测量过程中该方法已不再优先选用。
• Even if inspiring frequency is far from frequency of the derived system, first harmonic, super harmonic and combined harmonic resonance may take place respectively in the normal speed range of an actual gear system, because of time-varying mesh stiffness.
  即使激励频率远大于派生系统的固有频率，在实际的物理系统中，由于时变啮合刚度的影响，也可能出现主共振、谐共振和组合共振。
• The first order non-simple harmonic coefficient enhances modulus.
  第一非简谐系数的存在使弹性模量增大。
• In fact, the radial composite deviations of master gears do exist and affect the accuracy of measurement results by the first harmonic.
  但实际上，标准齿轮的径向综合偏差是存在的，而且以一次谐波的形式传递给被测齿轮，影响其检测结果的准确性。
• With the first harmonic and its second harmonic the even order harmonics can be obtained.
  并定性解释了其产生机制和谐波效率提高的原因。
• 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.
  这些方法不能分析非整次谐波，不能区分一次谐波和偏心分量，并且含有较大的非线性误差。
• Phase splitting reactive power compensation of first harmonic in low voltage distribution network by computer controlled thyristor switch
  微机控制的晶闸管开关型低压配电网基波无功分相补偿