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qpsk modulation in matlab

matlab 程序，WCDMA的程序，用MATLAB实现3G手机(SDR based MATLAB program aboutWCDMA. SDR in WCDMA)

This upload contains Matlab codes used in Electromagnetics Antenna problems

in this code random noise is denoise by wavelet and find the parameter for best wavelets

波达方向估计中延迟相加法的matlab程序(DOA estimation of delay in the sum of the law matlab program)

some FEM applications with MATLAB

关于详细介绍瞬时频率计算相关理论的文章，文章中已附有MATLAB程序(Detailed calculation of the instantaneous frequency of articles related to theory, the article with a MATLAB program has been)

逆变器具有灵活、高效的特点，是新能源并网的主要接口。当多个逆变器连接到电网的同一个公共连接点时，逆变器非理想的电源特性，使得逆变器之间、逆变器与电网之间存在的谐波交互作用可能引发谐振， 使系统出现过电压、 过电流现象影响电网的电能质量，甚至威胁系统的安全稳定运行(Inverter is flexible and efficient, and it is the main interface of new energy integration. When multiple inverters are connected to the same common connection point of the power grid, the inverter is not ideal. The harmonic interaction between the inverters, the inverter and the grid may cause resonance, which causes the overvoltage and overcurrent to affect the power quality of the power grid and even threatens the safety of the system. stable operation)

说明：  matlab对轨道角动量的仿真，可以更改波长和模态值以适应光学和电磁应用(Matlab simulation of orbit angular momentum can change the wavelength and mode value to adapt to optical and electromagnetic applications)

说明：  学习MATLAB中的关系运算和逻辑运算，掌握它们的表达形式和用法。掌握MATLAB 中的选择结构和循环结构。学会用MATLAB进行M文件的编写和调用。 (Learning MATLAB relational and logical operations, control their expression in the form and usage. Master MATLAB selection structure and loop structure. Learn to write and call the M-file with MATLAB.)