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soundprocess

于 2020-11-27 发布

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下载积分: 1 下载次数: 5

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说明：数字信号处理，音频信号处理，A计权，三分之一倍频程等(Digital signal processing, audio signal processing, a weight, one third octave, etc)

文件列表：

soundprocess\adsgn.m, 629 , 2020-11-16
soundprocess\a_weight.m, 498 , 2019-07-17
soundprocess\fcnfft.m, 1117 , 2020-11-16
soundprocess\filterA.m, 1625 , 2020-11-16
soundprocess\noct.m, 7184 , 2019-07-14
soundprocess\soundprocess - 副本.m, 2414 , 2020-11-16
soundprocess\常用窗函数的恢复系数.JPG, 60811 , 2020-11-16
soundprocess, 0 , 2020-11-27

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MATLAB
一、牛顿－拉夫逊法概要首先对一般的牛顿－拉夫逊法作一简单说明。已知一个变量X的函数（4－6）解此方程式时，由适当的近似值X（0）出发，根据（4－7）反复进行计算，当X（n）满足适当的收敛判定条件时就是（4－6）式的根。这样的方法就是所谓的牛顿－拉夫逊法。式（4－7）就是取第n次近似解X（n）在曲线上的点处的切线与X轴的交点作下一次X（n+1）值的方法。参考图4－2（a）。在这一方法中为了能收敛于真解，初值X（0）的选取及函数f（X）必须满足适当的条件，如图4－2（b）所示的那种情况就不能收敛或收敛到别的根上去。这一方法还可以做下面的解释，设第n次迭代得到的解与真值之差，即的误差为时，则（4-8）把在附近对用泰勒级数展开（4-9）上式略去以下的项（4-10）的误差可近似由上式计算出来图4-2 （4-11）比较式（4-7）和（4-11），可以看出牛顿-拉夫逊法的修正量和的误差的一次项相等。用同样的方法考虑，给出对n个变量 (:Because of the importance and complexity of power system, better algorithm and programme language is very important . An interior point method based on the perturbed Karush2Kuhn2Tucker (KKT) condition is pre2 sented in this paper , where the method and process for the optimal power flow is treated through the Matlab’s symbolic math toolbox and Mfunction is also presented. Using the symbolic code , it can improve the adaptability of the programme dramatically. The advantage is that , what we need to do is change the model expression. We can make use of the symbolic programme to check our programme while we write the Mfunctions. Using the Mat2 lab , we find the optimal solutions and calculate quickly and efficiently. It has proposed the powerful and unique functions of Matlab in the optimization and calculation for power system. Key words :power system symbolic calculation optimal power flow interior point method)

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这是一个改进的查分进化算法，相应的论文为：An improved differential evolution with novel mutation strategy. 发表在IEEE 2014 Symposium on differential evolution (SDE)(This is an improved differential evolution. The corresponding paper is:An improved differential evolution with novel mutation strategy. On IEEE 2014 Symposium on differential evolution (SDE))

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soundprocess

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