first harmonic
英 [fɜːst hɑːˈmɒnɪk]
美 [fɜːrst hɑːrˈmɑːnɪk]
一次谐波；基（谐）波
英英释义
noun
- the lowest tone of a harmonic series
双语例句
- 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。 - 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。 - More convenient using of fast Fourier transform to get the first harmonic of the mathematical model, and the error is relatively large.
利用快速傅立叶变换比较方便得到一次谐波的数学模型，而且误差比较大。 - If the frequency of a laser is modulated sinusoidally, the first harmonic component of saturated absorption signal can be used as error signal to stabilize the frequency of the laser.
对激光器进行频率调制，检测原子分子饱和吸收信号中的一次谐波成分得到频率误差信号，反馈控制可以实现激光频率的稳定。 - Thus a smaller membrane gives off a higher first harmonic.
较小的膜发出较高的第一陪音。 - The utility of the ratio of second and first harmonic to eliminate the influent of light source fluctuation was analyzed.
并对利用二次谐波与一次谐波的比值来消除由光源波动引起的影响等做了分析。 - 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。 - 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 order non-simple harmonic coefficient enhances modulus.
第一非简谐系数的存在使弹性模量增大。 - Through the method of curve fitting, the eccentric motion which is of the same frequency as the rotary speed is separated ( effectively) from the signals in the first harmonic component. Thus the rotational error of the spindle is determined correctly.
应用数学方法曲线拟合法对测量信号中与转速同频的偏心运动和主轴误差运动中的一次误差运动进行了有效的识别分离，正确消除了偏心运动，实现了主轴误差的准确评定。