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Welch法：Welch法对Bartlett法进行了两方面的修正：一是选择适当的窗函数w(n)，并在周期图计算前直接加进去，加窗的优点是无论什么样的窗函数均可使谱估计非负。二是在分段时,可使各段之间有重叠，这样会使方差减小。(Welch method: Welch method of Bartlett method amendments in two respects: First, select the appropriate window function w (n), and in the cycle before CALPHAD directly incorporated, plus the advantage of the window, no matter what kind of window function can be so spectral estimation of non-negative. Second, when in subparagraph can overlap between paragraphs, this would reduce the variance.)

MATLAB讲义，适合初学者，简单明了,包含全面(MATLAB lecture notes, suitable for beginners, simple, includes comprehensive)

This program calculates return on investments and overall viability of a construction project over a range of initial plot sizes. It models cash flows using rudimentary construction costs, sales revenues and mortgage repayments.

信号加噪方法，采用平均功率算法计算信噪比。(Signal plus noise method using average power algorithm to calculate the SNR.)

Digital communication labs,

this is code matlab for linear machine please try it

数字信号处理 各种滤波器的设计，中南大学电子信息工程 大三的课程设计全部源代码和实验报告，欢迎下载！(various digital signal processing filter design, Zhongnan University of Electronics and Information Engineering, the design of the church all of the source code and laboratory reports, download welcome!)

Example of key performance indicators applied on a real problem

用matlab实现3D骨架提取的抽取基本点集算法(sdfp oepo doip)

基于内点法的最优实时电价，首先给出的是14个节点的(Interior point method based optimal real-time price, given the first 14 nodes)