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The Techniques and an Efficient PAPR Reduced Method of OFDM Systems(The Techniques and an Efficient PAPR Reduc ed Method of OFDM Systems)

Intermodulation or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies in a system with nonlinearities. The intermodulation between each frequency component will form additional signals at frequencies that are not just at harmonic frequencies (integer multiples) of either, but also at the sum and difference frequencies of the original frequencies and at multiples of those sum and difference frequencies.

estimate the fractal dimension with the algorithm of higuchi,petrosian and katz.

本文采用模糊数学和优化理论建立起一套预测模型由计算机自动预测电力负荷从而保证了预测结果的正确性和可信度通过对深圳市远景年电量预测的实例表明该方法是可行而有效的 (this fuzzy optimization theory and mathematical model to establish a set automatically by a computer forecasting electricity load so guarantee the accuracy of the results and credibility of the Shenzhen City Vision, electricity demand forecasting examples show that the method is feasible and effective)

地震数据处理中， 建立速度模型。 根据需求改变参数即可。(Seismic data processing speed of the model established in accordance with changes in demand parameters.)

一种改进的混沌算法，结合粒子群进化进行改进(An improved chaotic particle algorithm to improve the diversity of PSO)

Wrap-around code for a console using the ARC io-routines.

MATLAB® SimulinkInstallation Guide Release 2012a(MATLAB® & Simulink® Installation Guide Release 2012a)

基本教学程序 通过这个程序可以掌握初步的matlab编程(Basic teaching procedures)

pictures of matlab code of digital modulation