ft5206-1024X600

利用stft实现了跳频信号的跳周期估计 简单的进行了跳频信号的仿真，然后利用短时傅里叶变换对跳频信号进行分析，再对得到的时频矩阵提取时间平面，对时间序列去直流，进行傅里叶变换，最后实现得到跳周期。(estimates the hopping time of the sfh by stft )

仿真分析相控阵雷达中二维面阵的雷达方向图以及一些其他因素对方向图的影响，以及随机误差和量化误差的影响(Simulation analysis of radar direction Fig. 2D phased array radar array and some other factors on the direction map, and the effect of random error and quantization error)

以m 文件编写S-Function函数，实现以下Bell 和 Astrom(1987) 关于某160MW燃油机组特性的非线性系统的模型(M file write S-Function function implement following Bell and Astrom (1987) model of the nonlinear system on the characteristics of a 160MW fuel unit)

说明：  该代码完成用光流匹配法实现图像匹配，提供代码和参考图(The code to complete using the optical flow matching method for image matching, to provide the code and reference map)

说明：  《数字图像处理与机器视觉:Visual C++与Matlab实现》4 特征提取,图像识别初步,人工神经网络,基于ANN的数字字符识别系统(&quot Digital image processing and machine vision: Visual C++ and Matlab to achieve&quot four feature extraction, image recognition initially, artificial neural network, ANN based digital character recognition system)

信号功率谱分析，方法三、四，已在此详细编写(Signal power spectral analysis, methods, three, four, has been prepared in detail here)

说明：  利用MATLAB编程实现“已知直升飞机旋转机翼外形曲线上的一些型值点及端点处一阶导数值”。(The use of MATLAB Programming known helicopter rotary wing shape curve at some point and the endpoint-type value of one derivative values. )

主成分回归，可以提出自变量的影响。用MATLAB编写，运行通过。(Principal component regression, we can make the impact of independent variables. Using MATLAB, run through.)

高斯积分，可以实现任意区域上的平面二重积分，可以带有参数。精确度高，希望对大家有用！(Gaussian integration can be achieved on any area of ​ ​ the plane of the double integral with parameters. Accuracy, we hope to useful!)

HERE I HAD ATTACHED THE CODES FOR COMPRESSION