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Digital Modulation and Demodulation

说明：  fcm我也不知道是干啥的，知道的可以下来用(Gansha fcm I do not know, and know you can come down)

Topological derivative Segmentation

该文件通过多个实例详细讨论了BP神经网络的原理和应用，希望对你有帮助。(The document discusses the principles and applications of BP neural network through multiple instances. May help to you!)

matlab的基本pso程序，很经典，可以帮助初学者对基于matlab应用的智能算法有一定的了解(The basic pso matlab program, it is classic and can help beginners matlab-based applications have some knowledge of intelligent algorithms)

mimo-ofdm 自适应的比特:分配按照信道响应降序排列,子载波间争夺比特和功率步长为2(mimo-ofdm adaptive bit: assigned in descending order according to the channel response, the rivalry between subcarriers bit and power step 2)

一维粒子滤波算法先建立状态模型和量测模型，再构造粒子滤波函数，通过统计分析得到估计后的状态变量，就是该算法的基本原理(One-dimensional particle filter algorithm to first establish a state model and measurement model, and then construct the particle filter function to be estimated by statistical analysis after the state variables, that is the basic principle of the algorithm )

Ansoft，必不可少的工程电磁场分析使用说明。(The operator direction of ansoft, whichi is necessary during the design of E&M.)

用Matlab实现的简单的kalman滤波实例，了解其递推方程(Matlab simple kalman filtering instance, to understand the recursive equations)

四阶龙格库塔法的一个实例 希望能够帮助大家(Fourth-order Runge-Kutta method)