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基于Welch算法的经典功率谱估计的Matlab分析，从经典功率谱估计周期图法原理入手，借助Welch 算法对其进行修正(Matlab Simulation Analysis of Power Spectrum Estimation Based on Welch Method，int roduces the principles of Periodogram method of classical PSD estimation，and makes use of Welch to amend Perodogram method)

Calculate speed and acceleration of mechanism

TD_SCDMA和TD_LTE帧结构及时隙干扰分析_张长青.pdf(The TD_SCDMA and the TD_LTE frame structure and the slot interference analysis _ Zhang Changqing.Pdf)

说明：  建立燃料汽车的相关模型，并且对该模型进行后续的分析(Using the model to simulate and analyze the fuel vehicle)

利用随机序列生成跳频序列，用于跳频通信并给出误码吕曲线。(Use of random sequence to generate frequency-hopping sequence for frequency hopping communication and give BER curves Lv.)

ofdm系统matlab仿真研究，结合书本觉得很有用。(Simulation of the system matlab OFDM, combine the book feel useful.)

MATLAB编程小程序，关于通信原理方面，通过小程序，学习编程(MATLAB programming applets, with regard to communication theory, through a small program, learning programming)

说明：  一个用MATLAB 实现的锁相环路得程序(a program of phase loop link using the tool of simulink )

旨在仿真OOK信号，这是国家重大项目的一个子课题，编译程序验证(Designed to simulate OOK signals, which is a sub task of national major projects, compiler verification)

数字水印图像的攻击测试 包括滤波、剪切、添加噪声、jepg压缩攻击等等(Attack test digital watermarking images, including filtering, cropping, adding noise, jepg compression attack, etc.)