Numericalanalysis

计算瑞雷波频散曲线GUI小程序，matlab写，内含使用说明(Rayleigh wave dispersion curves calculated GUI applet, matlab write, containing instructions for use)

说明：  matlab 实现的蚁群算法,算法经过测试，用于非线性方程的优化求最值。(the implemention of anta algrithm by mtalab)

Matlab应用电子书5本，对初学者非常有用。Pdf格式。(Matlab Application five e-books, very useful for beginners. Pdf format.)

对摄像机进行标定。学习之用。学写代码的话比看OPENCV的代码要好，使用的话OPENCV或者MATLAB都足够了(Calibration of the camera. Learning. Write code, then look OPENCV than the code is better, the use of words or MATLAB are OPENCV enough)

对混沌时间学列但不预测及多步预测的输入信号信号归一化处理(Studies of chaotic time series prediction and multi-step, but not predictable input signal signal normalized)

controladores por variables de estado

现需要在高度为600~700KM范围内，回归周期为30天的太阳同步轨道上布置一颗L波段的合成孔径雷达卫星。 1. 请设计合适的轨道参数，并仿真对应轨道下一个运行周期内星下点轨迹图（纬度和经度两个图）； 2. 计算多普勒中心频率，多普勒调频率与纬度的关系图（设姿态角为0°，天线视角20°~60°，推荐35°）； 3. 按高斯投影方式，将星下点轨迹图投影到地图坐标上。(Now requires a height of 600 ~ 700KM range, return period of 30 days are arranged on a sun-synchronous orbit L-band Synthetic Aperture Radar satellites. 1 Please design the appropriate orbital parameters and simulate the corresponding orbit within the next operating cycle nadir trajectories (latitude and longitude two graphs) 2. Calculate the Doppler center frequency, Doppler frequency and the relationship between latitude Figure (set attitude angle is 0, the antenna angle of 20 to 60, recommended 35) 3 Press Gauss projection, the nadir trajectories projected onto the map coordinates.)

矢量控制方法在matlab/simulink中的仿真模型。详细且基础，有助于新手学习。(Vector control method in matlab/simulink the simulation model. Detailed and foundation to help novices learn.)

简洁适用的基音周期提取程序,采用自相关和平均幅度差函数相结合的方法(Simple application of the pitch period extraction procedures, the use of auto-correlation and the average magnitude difference function method of combining)

用于心电图ECG信号的QRS检测，经典算法P&T(The classical algorithm P&T which is used to detect QRS in ecg signals)