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基于数字地球的车载卫星导航定位的设计与实现(Digital Earth s satellite navigation and positioning the vehicle design and implementation)

系统包括简单的基本功能，..........................(dfjk)

梯度下降法是最早最简单，也是最为常用的最优化方法。梯度下降法实现简单，当目标函数是凸函数时，梯度下降法的解是全局解。一般情况下，其解不保证是全局最优解，梯度下降法的速度也未必是最快的。梯度下降法的优化思想是用当前位置负梯度方向作为搜索方向，因为该方向为当前位置的最快下降方向，所以也被称为是”最速下降法“。最速下降法越接近目标值，步长越小，前进越慢。(The gradient descent method is the earliest and most simple and most commonly used optimization method. The gradient descent method is simple to realize. When the objective function is a convex function, the solution of the gradient descent method is a global solution. In general, the solution is not guaranteed to be the global optimal solution, and the gradient descent method is not necessarily the fastest. The optimization idea of gradient descent method is to use the current position negative gradient direction as the search direction, because the direction is the fastest descending direction of the current position, so it is also called the steepest descent method. The faster the slowest descent approach is closer to the target, the smaller the step, the slower the progress.)

三维的FDTD模拟电磁场仿真程序。采用PML边界。(Three-dimensional FDTD simulation of electromagnetic field simulation program. Using PML boundary.)

本文使用Matlab及Simulink软件源码包对cdma20000的前向业务信道进行时间流与数据流仿真，并对仿真结果进行了对比分析。 (This article uses the Matlab and Simulink software source code packages on cdma20000 the first time flow and data flow simulation, and simulation results were compared to the traffic channel.)

遗传算法 图像分割挺好用的 希望有用 matlab(Genetic algorithm for image segmentation with the hope of good useful matlab)

4个收集的vc，matlab纹理检测，纹理分割代码和数篇IEEE纹理分割，纹理缺陷检测论文(Number of Posts IEEE texture segmentation, texture defect detection papers and four personal collection vc, matlab code texture segmentation)

4-9-1的结构ga-lm的bp算法 有示例数值 不是拟合而是预测(4-9-1 structure of ga-lm bp algorithm is not fit but there are examples of numerical prediction)

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VC++与MATLAB混合编程学习的很好电子书(VC++ and MATLAB programming mix of good books to learn)