From theoretically, the influence of the angularamplitude of simple pendulum on its period is analyzed, and the accurate calculation formula of the simple pendulum period are given.
从理论上分析了单摆的角振幅对其周期的影响，并给出了单摆周期的精确计算公式。
2
The creation and solution of dynamic equations and problems concerning input characteristics, transient angular frequency and analysis of amplitude response are described.
文中阐述了动力学方程的建立和求解、系统输入特性和瞬态角频、振幅响应分析等问题。
3
Based on specially array geometry designation, the angular spread could be estimated by substituting the estimated DOA into the amplitude information vector.