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实现Hilln密码体系的关键环节（加密、解密、破译）(Achieve Hilln password system key (encryption, decryption, decoding))

讲述4G通信OFDM技术理，介绍了该技术的基本原理，信道估计原理，同步原理以及峰均比抑制技术。(About 4G OFDM technology communication manager, describes the basic principles of the technology, channel estimation theory, the synchronization principle and PAPR reduction techniques.)

潮流计算是在给定电力系统网络结构、参数和决定系统运行状态的边界条件的情况下确定系统稳态运行状态的一种基本方法,是电力系统规划和运营中不可缺少的一个重要组成部分。(Flow calculation is determined in the given boundary conditions of the state of the power system network structure, parameters and decision systems running the system steady running state of a basic method is an important part of the indispensable power system planning and operation.)

no depresss ,matlab code,welcome to use.tanlan_2.txt

说明：  矩阵LU分解，非常方便的分解程序，简练而有效，希望大家下载(LU，derection，matlab NEWMark)

Matlab_presentation for new stars

基于simulink的PWM可控整流器，可以通过控制占空比实现所需的电压！(PWM controlled rectifier based on simulink, can be realized by controlling the duty ratio required voltage!)

Decimal to Binary Converter in C#

用分步傅里叶变化法求解非线性薛定谔方程，适用于非线性光纤系统(split_step_fourier method for nonlinear fiber optic)

学习统计套利的同志们不要错过这份资料，！！(Learning statistical arbitrage comrades do not miss this information! !)