用三次样条曲线进行精密星历插值和卫星钟差插值-Cubic spline curve the precise ephemeris interpolation and satellite clock error interpolation

卫星轨道钟差卡尔曼修正-国外导航年会ION2011的文章，网络下载需要$25，-Real-time Combination of GNSS Orbit and Clock Correction Streams Using a Kalman Filter Approach