ML

对基于粒子滤波的目标跟踪进行仿真，附带有最后仿真的视频。(Based on the target tracking particle filter are simulated, accompanied by the simulation of the video.)

信号的频谱分析函数，输入复信号，fft的长度和Fs，可以直接输出信号频谱图。(Signal spectrum analysis function, the input complex signal, fft length and Fs, can be directly output signal spectrum.)

无监督神经网络利用matlab能够有效的实现图像化，还能得到最有结果(Unsupervised neural network using matlab can effectively realize the image of, but also get the most results)

很好的分析了大规模MIMO中多小区导频污染问题，并给出了一些可行的减轻污染的方法，值得参考。(Good analysis of large-scale multi-cell MIMO pilot pollution problems, and gives some practical ways to reduce the pollution, it is also useful.)

Round towards zero with a specified number of decimals

matlab最小二乘原理下的曲线拟合方法汇总：polyfit函数、“”命令、fminsearch函数、nlinfit函数。附上一个具体的例子：1900-2000年的总人口情况的曲线拟合。(matlab principle of least squares curve fitting method Summary: polyfit function, " " command, fminsearch a function, nlinfit function. Attach a specific example from 1900 to 2000, the total population of the curve fitting.)

任务： 1） 借助MATLAB画出误差性能曲面和误差性能曲面的等值曲线（参考PPT2.1第17页的两幅图）； 2） 写出最陡下降法以及LMS算法的计算公式（取 ）； 3） 用MATLAB产生方差为0.05, 均值为0白噪音S(n)，并画出某次采样得到的波形（即产生任意一个噪声随机序列）； 4） 根据 2）中的公式，并利用 3）中产生的S(n)，在 1）中的误差性能曲面的等值曲线上叠加画出采用最陡下降法以及LMS法时H(n)的在叠代过程中的轨迹曲线（参考PPT2.1第17页的右下图的曲线1和曲线2）。 5）用MATLAB计算并画出LMS法时 随时间n的变化曲线（对应S(n)的某一次的一次实现）和e(n)波形； 注意：某一次实现的结果并不能从统计的角度反映实验的结果 的正确性，为得到具有统计特性的实验结果，可用足够多次的 实验结果的平均值作为实验的结果。用MATLAB计算并画出 采用LMS法时，J(n)的100次实验结果的平均值随时间n的变 化曲线（即 生成随机噪声信号并计算结果，重复执行100次， 求平均结果）。 6）在 1）中的误差性能曲面的等值曲线上，叠加画出采用LMS法得到的100次实验中的H(n)的平均值的轨迹曲线； (Task: 1 ) Draw with MATLAB error performance surface and surface contour error performance curve ( refer PPT2.1 two chart on page 17 ) 2 ) Write the steepest descent method and the LMS algorithm formula ( take ) 3 ) Using MATLAB to generate variance of 0.05 with a mean of 0 white noise S (n), and draw a particular sampling waveform ( ie, any noise generated random sequence ) 4 ) based on 2 ) of the formula , and use 3 ) generated in S (n), in a ) the error performance curves superimposed on the surface contour plot using the steepest descent method and the LMS method when H (n) the iterative process in the trajectory curve ( refer PPT2.1 page 17 bottom right of the curves 1 and 2 ) . 5 ) using MATLAB LMS method is used calculate and draw the curve with time n (corresponding to S (n) of a first implementation of a ) and e (n) waveform Note : in a first implementation of the results are not reflected from a statistical point of view of accuracy of the experimental results ,)

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)

本matlab编程小例子是用于找油气的物探领域中的信号频谱分析，实用性强，资料最后附有可供学习的网站，希望本资料有用。(This is a small example of matlab programming used to find oil and gas geophysical field in the signal spectrum analysis, practical, with final data for learning website and hope this information useful.)

IT++ is a C++ library of mathematical, signal processing and communication routines.