The mathematical model of reentry maneuvering trajectory is established. The fitting expression of aerodynamic coefficient function on velocity, attack of Angle and altitude is presented.
建立了再入机动弹道数学模型,给出了气动力系数为速度、迎角、高度的函数拟合式,进行了最佳再入机动弹道设计和仿真计算。
Beeline fitting can keep the part of linearization and the acute Angle of Outlines of previous color blocks.
直线拟合可以保持原色块轮廓中比较线性化的部分和色块图形中的尖锐角部分。
I found it convenient to use a right Angle reducing fitting, followed by a gray threaded pipe, and a gray hose barb that threads onto the gray pipe.
我发现它方便使用直角减少拟合,其次是一个灰色螺纹管,和一个灰色软管烧烤认为线程上的灰色管道。
The range error and drift error are calculated and analysed when the fitting is performed on different firing angle, so that a reasonable fitting region is chosen to decide the firing angle.
对在不同射角下符合时,由射表误差源造成的射程误差和偏流误差进行了计算与分析,论述了符合射角选择的合理区域。
The circle does not necessarily need to touch the fitting lines nor is its centre necessarily on the wedge Angle bisector.
圆圈,纷歧定需求以接触拟合直线也必然是此中心的楔角等分线。
The software developed in this paper mainly contains curve fitting of measuring data, Gaussian distribution estimation of curves, calculation of the size of facula, divergence angle and waist facula.
文中开发的实验数据处理软件主要包括测量数据曲线的拟合、判断曲线是否符合高斯分布、光斑大小的计算、发散角和腰斑大小的计算。
Therefore researching space resource from the Angle of resource science and fitting space resource science into resource science have become a tendency.
因此,从资源学的角度研究空间资源问题,将空间资源学纳入到资源学的学科体系已成为大势所趋。
In optics polishing process, the active lap can reshape the profile for fitting the surface of large optical component with different local position and rotating Angle in real time.
能动磨盘在光学抛光时随磨盘移动位置和旋转角度不同而产生不同的变形以实时与大口径被抛光工件表面实现良好的吻合。
The continuum functional relationships among system efficiency, blade Angle, static head and flow rate of pumps are established based on the performance curve surface fitting method.
本文基于曲面拟合构造了装置效率、叶片角度与装置扬程和流量的连续函数关系,可以迅速准确地确定某一装置扬程和流量所对应的装置效率等参数。
Hanning windowed interpolation harmonic analysis algorithm and high-order sine fitting algorithm are the two effective algorithms for dielectric loss Angle measurement.
加汉宁窗谐波分析法和高阶正弦拟合法是介损角测量的两种有效算法,对两种算法的分析和比较有利于它们在实际中的应用。
The wedge angle bisector gives as intersection with the cutting edge profile point pint. (3) Draw a circle that intersects point pint and is tangent to both straight fitting lines.
这楔角的等分线给作为路口停止切割边缘轮廓点品脱的啤酒。 (3)画一个圆订交点,两品脱和相切直线拟合直线。
The wedge angle bisector gives as intersection with the cutting edge profile point pint. (3) Draw a circle that intersects point pint and is tangent to both straight fitting lines.
这楔角的等分线给作为路口停止切割边缘轮廓点品脱的啤酒。 (3)画一个圆订交点,两品脱和相切直线拟合直线。
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