Fourier-matlab

长周期光栅的透射谱MATLAB模拟算法基于光栅的耦合理论。(Long-period grating transmission spectrum MATLAB simulation algorithm is based on the grating coupling theory.)

400赫兹矢量控制直流逆变电源MATLAB仿真(The 400 Hertz vector control DC power inverter MATLAB simulation)

维纳滤波法语音增强，为函数文件，需要另外一个脚本调用，形参格式参照文件第一行。(Wiener filtering speech enhancement, as a function of the file, you need to call another script, parameter format, refer to file the first line.)

介绍决策的基本理论、多目标最优化基本概念、求解非劣集的方法、有总体选好信息的求解方法、基于局部选好信息的交互式方法、 多属性问题求解方法、模糊多目标优化问题等(Introduced the basic theory of decision-making, multi-objective optimization of the basic concepts, methods of solving the non-inferior set, overall selected method for solving the local selecting information-based interactive, multi-attribute problem solving method, fuzzy multi-objective optimization problem wait)

说明：  求解在弹流润滑条件下中心油膜厚度，使用温诗铸在其著作中的经验公式(Solving Central Oil Film Thickness under Elastohydrodynamic Lubrication)

blackman window for filter matlab code with example

说明：  系统动力学的大作业，利用状态方程方法求解二阶系统的频响与时间响应，并作谱分析(Dynamics of large operations, using the state equation method for solving second-order system frequency response and time response, and for spectral analysis)

Numerical Methods Using Matlab (4th Edition),John H. Mathews (Author), Kurtis K. Fink (Author).This book provides a fundamental introduction to numerical analysis. This book covers numerous topics including Interpolation and Polynomial Approximation, Curve Fitting, Numerical Differentiation, Numerical Integration, and Numerical Optimization. For engineering and computer science fields.

用曲线拟合的方式估计线性调频信号的初始频率及其调频斜率。得到的效果比较好。(Curve fitting way to estimate the initial frequency and chirp rate of the linear FM signal. Get better.)

图像dct变换，量化，f3隐写，压缩，解压，使用matlab实现(Image DCT transform, quantization, F3 steganography, compression, decompression, using MATLAB to achieve)