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spwm_xiazai。欢迎下载，共同学习，共同进步(spwm_xiazai. Welcome to download, a common learning and common progress)

正交信号校正法主要用于近红外光谱矩阵的预处理。其原理是将光谱阵与全氮含量阵正交,滤除光谱与因变量Y阵无关的信号,再建立定量校正模型,达到简化模型及提高模型预测能力的目的。(Orthogonal Signal Correction(OSC) removes variance in the X-block which is orthogonal to the Y-block. Such variance is identified as some number of factors (described as components) of the X-block which have been made orthogonal to the Y-block. When applying this preprocessing to new data, the same directions are removed from the new data prior to applying the model.)

迹线法实现轮轨接触，是轮轨接触力及垂向力的基础内容，需要轮轨接触角及型面数据作为初始 内容(Trace method to achieve the wheel-rail contact, is wheel-rail contact force and the vertical force base, you need a wheel-rail contact angle and surface data as the initial content type)

LDPC encoder and decoder design in MATLAB

在matlab环境下，利用ode命令求解常微分方程组的学习算例(In the matlab environment, the use of the command for solving ordinary differential equations ode to learn examples)

符合计数，用于单光子计数，当多光子到来时，统计时间(counting counting )

实现数字音频效果的源程序，包含多速率信号处理的内插和抽取源程序。(realize the audio effect.inlude the function of multirate signal processing knowledge)

Finite Difference Programming for Matlab in 2D

空时编码的一个matlab实现源程序，适合初学者。(Space-time coding to achieve a matlab source code, suitable for beginners.)

说明：  matlab 图论 中所有程序 求最短路。。最小生成树。。网络最大流等。。。(matlab graph theory for the short-circuit all the procedures. . Minimum spanning tree. . Network, such as maximum flow. . .)