GPS-PPP

此文件是关于GPS定位系统服务的，希望有关编程人员能用得到吧，谢谢。(Illegal very very very very much is how deep v deep v deep v)

matlab编写程序，简单易懂，有效解决有上下层关系的DEA模型(Solving the bilevel DEA model)

大规模MIMO信道容量分析，主要分析了BS和MS天线数不断增大时，对信道容量的影响。(The analysis to Massive MIMO channel capacity as the antennas of BS and MS grow up. )

TD LTE中的多阶QMA调制解调中的过程仿真和误码率曲线，帮助全面了解LTE原理(The process simulation and BER curve of multilevel QMA modulation and demodulation in TD LTE helps to fully understand the LTE principle.)

维格纳-威尔分布三维图面图，跳频信号的stft，跳频信号的维格纳-威尔分布的频谱图(Wigner- Will the distribution of three-dimensional surface maps, frequency hopping signal stft, frequency hopping signal Wigner- Will the distribution of spectrum)

说明：  基于matlab对三维点云的法向量进行求取，并进行朝向统一。(Based on MATLAB, the normal vector of three-dimensional point cloud is calculated, and the direction is unified.)

求解随机微分方程dx=sinxdt+xdw的数值解(NUMERICAL SOLUTIONS FOR SOLVING STOCHASTIC DIFFERENTIAL EQUATIONS dx=sinxdt+xdw)

GPS定位程序，利用最小二乘法进行计算得出结果(GPS positioning process is calculated using the results of least-squares method)

运用等效焓降法对N200-12.75/535/535凝汽式火电机组热力系统各加热器凝汽系数、循环效率、汽轮机绝对内效率等机组热经济性指标进行计算(using the calculation method of condensing N200-12.75/535/535 condensing steam turbine thermal system each heater condensing coefficient, cycle efficiency, the steam turbine unit thermal efficiency of steam turbine absolute internal efficiency index to calculate. )

说明：  压缩包内包含牛顿插值和牛顿迭代的MATLAB程序。(The MATLAB program contains Newton interpolation and Newton iteration in the zip file.)