1) 1/ 2 period
1/2周期
1.
Combined with the band-filter-based instantaneous harmonic detection method, a harmonicdetection system based on DFT(Discrete Fourier Transform) reconfiguration by 1/ 2 period is designed.
结合带通滤波器的瞬时谐波检测方法,设计了基于1/2周期重构离散傅里叶变换带通滤波器的谐波检测系统。
2) cycle
[英]['saikl] [美]['saɪkəl]
(1)周(2)周波(3)周期(4)循环
3) one-fourth period
1/4周期
1.
Based on the gyroscope s north-seeking principle equation and integral method,a one-fourth period integral method is proposed to seek the north in the one-fourth period.
通过研究陀螺仪寻北的理论公式及陀螺仪寻北的积分测量方法,提出了在四分之一周期测量时间内计算真北值的1/4周期积分测量方法。
4) 1-periodic orbit
1-周期轨
5) Period 1 solution
周期1解
6) period two solution
周期2解
补充资料：8 1/2