The validity of simulating star map is verified by using the angle-distance of stars and projectiontheorem.
利用星间角距和投影原理的性质来验证星图模拟的有效性。
2
Theorem of projection is more important in the study of prediction of stationary discrete-time sequence and function approximating.
投影定理在平稳时间序列的预报及函数逼近研究中起着重要的作用。
3
By using the fixed point theorem, we prove some new existence theorems of the solution for this class of nonlinear projection equations in Hilbert Spaces.