From theoretically, the influence of the angular amplitude 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。
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。
Based on specially array geometry designation, the angular spread could be estimated by substituting the estimated DOA into the amplitude information vector.
根据相干分布源的近似模型可知，在小角度扩展情况下，角度扩展主要影响广义方向向量各元素的幅度。
The influence of the size and the modulation amplitude of the defects on the intensity distribution and angular spectrum of the beam is also studied.
详细研究了振幅调制型“缺陷”的尺寸大小及调制幅度对受调制光束的光强分布和角谱影响。
The amplitude and phase is estimated respectively through a double integrator close-loop, in stead of vector of flux, with angular and speed as feedback.
此方案以估计出的位置角为反馈量，采用闭环双积分结构，分别估计了定子磁链的幅值和相位。
Based on the equivalent circuit, the resonance frequency equation, the expression of resonance frequency and the angular displacement amplitude magnification are obtained.
在此基础上得到了空载时扭转振动的频率方程、共振频率表达式及角位移放大系数表达式。
The direction of acoustic beam and angular width of main lobe can be changed by properly amplitude-weighting, decreasing the frequency of impulsive signal and adjusting the interval of array elements.
通过适当的幅度加权、降低激励信号的频率、调整阵元的间距等措施可以改变辐射声束的方向和辐射主瓣的角宽。
By introduced the micro-Doppler, this paper mainly analyzed the parameter extraction method, which can extract the angular frequency, amplitude and phase of the micro-motion target.
利用单距离多普勒干涉法对旋转目标进行了成像，实现利用成像结果提取微动特征参数的目的；
Under the condition of small amplitude, the operating equations of the wiggler are given, and then, the trajectories of the beam electrons and the angular spectrum of spontaneous emission are derived.
在小振幅条件下，给出了摆动器的工作方程，导出了束电子的运动轨迹和自发辐射谱分布。
Under the condition of small amplitude, the operating equations of the wiggler are given, and then, the trajectories of the beam electrons and the angular spectrum of spontaneous emission are derived.
在小振幅条件下，给出了摆动器的工作方程，导出了束电子的运动轨迹和自发辐射谱分布。
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