可计算GPS卫星单点定位的对流层时延，使用的是霍普菲尔德改正模型。-Calculate single-point positioning satellite GPS tropospheric delay, are used to correct Hopfield model.

计算GPS信号在对流层中的延迟时间，采用的模型为经典的霍普菲尔德模型。-GPS signal in the troposphere calculated the delay time, using the model for the classical Hopfield model.

GPS伪距单点定位，包括导航文件、观测文件、精密钟差和精密星历的读取，对流层Hopfield模型，电离层K8模型，采用最小二乘法，最后通过调用matlab来计算测站坐标。对GPS编程初学者是很好的编程哦。-GPS pseudorange point positioning, including navigation documents, observation files, precision clock bias and precision ephemeris read, Hopfield m