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说明：  这次上传的程序源码是关于使用BP神经网络预测数据。(The upload program source code is on the use of BP neural network forecasts.)

用matlab gui画信号的频谱图和时域图形,再画出语谱图，模拟电话(Picture signal with matlab gui frequency spectrum and time domain graph, then draw the language spectrum, analog telephone)

多种策略变权重系数的粒子群优化算法源代码，用于求解复杂函数极值问题。(Multiple strategies variable weight coefficient of particle swarm optimization algorithm source code, is used to solve complex function extremum problems.)

有限元三角形线性常应变单元的单元刚度阵的计算函数(failed to translate)

这个程序是matlab的灰度变换程序我也是往上下的(Gray-scale transformation)

仿真了采用切比雪夫加权的一种新的线性阵的波束形成技术(Simulation of a new weighted Chebyshev linear array beam forming technology)

this program is made in matlab for executing

it is useful to one who are study GA. I hope it can hope you ,i will very happy.

matlab用法 主要用于线性规划，非线性规划，解决优化问题，作出最合理的决策等遗传算法程序(matlab usage is mainly used for linear programming, nonlinear programming to solve optimization problems, make the most rational decision-making, genetic algorithm)

AMI编码功能函数， (AMI encoding function)