frft

获取图像上的曲线数据，读入一幅图片并选取所需的数据点加以保存处理。用法：使用鼠标左键取点，右键结束取点并保存数据(Get the curve on the image data, read and select a picture to save the data points needed to deal with. Usage: Use the left mouse button to take point, right end of the access point and save the data)

计算特征值的matlab源文件，主要是一个矩阵方程组的特征值的求解(calculate eigenmodes)

利用马斯京根原理，根据水文气象等历史数据进行下一时段的预测。(According to Muskingum principle,the forecast of the next time can be drawn by the historical hydro-meteorological data.)

This is a collection of Matlab files for computing time-frequency distributions or time-frequency representations.

惯导工具箱，惯导仿真的重要工具，适用于惯导算法仿真。(INS Toolbox, an important tool for inertial navigation simulation.)

本程序对天线中的一种重要类型： 半波、全波、三倍半波天线波瓣图 进行了仿真和三维成像。有助于对天线中波瓣图的理解。(This procedure of an important type of antenna: half wave, full-wave, three times the half-wave antenna lobe pattern simulation and three-dimensional imaging. Contribute to the understanding of the antenna lobe pattern wave.)

MATLAB语言编写变步长复化梯形求积公式的算法程序（函数式M文件）(MATLAB language-based variable step-size re-trapezoidal quadrature formula of the algorithm program (functional M file))

三相电压型PWN整流器的基于模型预测的直接功率控制，稳态时，直流电压纹波小，交流侧电流谐波含量小，功率因素为1(Three phase voltage source PWN rectifier based on the model predictive direct power control, steady state, the DC voltage ripple is small, the AC side current harmonic content is small, the power factor is 1)

这是一个很好的灰色预测小程序，学习学习。(This is a good little gray prediction procedure, learning to learn.)

本文通过对某公园近两年内被运出的某种动物的年龄和性别的数据进行统计分析，并针对题目的四个问题分别建立了符合实际的数学模型，在模型的求解过程中，应用C语言进行编程调试，通过统计学软件SAS，数学软件MATLAB等计算工具，编写相应的程序，对建立的模型进行求解，得出了符合实际的结果(Based on a park near to be shipped out within two years of a certain animal)