biseccion

用于地震工程学中的，修正反应谱的一种方法，尝试性修正反应谱(A method to modify the earthquake response spectrum)

采用 Welch法在matlab中进行功率谱密度计算(Welch method using power spectral density calculation in matlab)

image enhancement in clahe and dynamic range adjustment

说明：   模拟退火算法求函数 f(x)的最小值点， 且 l <= x <= u f为待求函数，x0为初值点，l，u分别为搜索区间的上下限，kmax为最大迭代次数 q为退火因子，TolFun为函数容许误差 算法第一步根据输入变量数，将某些量设为缺省值( Simulated annealing algorithm of a function f (x) the minimum point, and l &lt = x &lt = u f is the unknown function, x0 as the initial point, l, u, respectively, lower and upper limits for the search interval, kmax is the maximum q iterations for the annealing factor, TolFun as a function of allowable error algorithm is the first step according to the number of input variables, set default values for certain amount of)

说明：  matlab算法集 matlab算法集 (matlab algorithms algorithms matlab)

说明：  ex4_2 用MATLAB作巴特沃斯低通滤波器设计 ex4_3 用MATLAB作切比雪夫-1型低通滤波器设计 ex4_4 切比雪夫-2型低通滤波器设计 ex4_5 椭圆型低通滤波器设计 ex4_6 传递函数的模拟滤波器数字化 ex4_7 脉冲不变法简单实例 ex4_8 脉冲不变法巴特沃思低通滤波器设计 (ex4_2 using MATLAB for Butterworth low-pass filter design using MATLAB for ex4_3 Chebyshev-1-type low-pass filter design ex4_4 type-2 Chebyshev low-pass filter design ex4_5 elliptic low-pass filter design ex4_6 transfer function digitization of analog filters ex4_7 the same method is simple example of pulse-pulse unchanged law ex4_8 Butterworth low-pass filter design)

说明：  一个BP神经网络的matlab程序，利用BP神经网络实现预测功能。可以编制相关的预测程序参考。(A BP neural network matlab procedures, take advantage of BP neural network function prediction. Able to prepare the relevant reference prediction procedures.)

一本MATLAB入门书籍，比中国人自己写的容易懂多了，中国人的书就喜欢丢公式，人家都是用例子的(A MATLAB entry books, written by more than the Chinese themselves easier to understand more, Chinese people like to throw the book on the formula, others are using the example)

说明：  根据功率谱模拟气象回波，并计算强度，速度，谱宽(According to simulate weather echo power spectrum and calculate the strength, speed, wide-spectrum)

主成分分析数据处理代码，包括协方差矩阵计算等(data product)