initial angle中文什么意思

例句与用法

1. Three characteristics that discribe a sinusoidal signal are the frequency , amplitude , and initial angle
   表示正弦量的三个要素为频率、幅值（大小）和初相角。
2. A mathematics model and its concrete approach are advanced which is an algebraic algorithm to determine the initial angle for resolving ballistic equation set and to determine the ballistic the coefficient and drift accurately and quickly
   提出了用代数的方法决定解弹道方程的初始射角的及快速、准确的决定弹道系数、偏流的具体方法和数学模型。
3. Based on frequency - spectrum - transformation , this algorithm first changes acceleration spectrum into displacement spectrum , then calculates its amplitude , angular frequency and initial angle related to every displacement spectrum , finally sums up all the displacement components and forms the time course of the measured vibration
   该方法采用频谱转换法，首先将加速度谱转换成位移谱，再计算出位移谱中每个频率分量对应的幅值、圆频率和初相角，最后对各位移分量进行叠加得到振动位移的时间历程。
4. Secondly , the resolution of ray tracing based on the differential equations avoids the limitations of the methods based on integral equations such as low computation efficiency and the calculation difficulty at small initial angles in the vicinity of antenna , and the higher computation precision remains with a higher efficiency
   二、本文选用的以电波射线微分方程为基础的射线描迹解决方案，可有效地避免沿用已久的积分算法计算效率低、零度初始仰角附近难以计算等局限，并保持较高的计算精度和计算效率。