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使用小波包变换分析两个信号的特征向量和各频率成分的功率谱(the analysis of two signals eigenvector and power spectrum using wavelet-packet transform)

abc to alpha be to qd to alpha beta to abc

an inferior assistant or a channel administrator hopes to append some additional message, such as the origin information, image notation or authentication data, within the encrypted image though he does not know the original image content. some parameters are embedded into a small number of encrypted pixels, and the of the other encrypted pixels are compressed to create a space for accommodating the additional data and the original data at the positions occupied by the parameters

说明：  用matlab建立一个网络模型。希望对大家有帮助。(Using matlab to establish a network model. We hope to be helpful.)

自己编写的matlab微粒群算法工具箱。微粒群算法（pso）是一种人工智能算法，速度比遗传算法快一些。(I have written matlab PSO toolbox. Particle swarm optimization (pso) is an artificial intelligence algorithm, the speed faster than the genetic algorithm.)

说明：  样条曲线曲面的相关理论知识，内含部分程序代码(Knowledge spline curve and surface fitting must-see, very good)

Code to find a word that fit to mask.

目标检测是雷达领域中一项重要的研究课题。在实际系统中，由于应用环境的不同，需要选取合适的检测算法。雷达中的恒虚警。(111c target detection is a key research project in Radar field．In real systems．the appropriate detection method should be selected due to different application environments.const false alerting rate in radar.)

剪切框架模型动力响应分析，即糖葫芦串形式的结构动力响应计算(dynamic response for shea frame model)

Compute and minimise the PAPR of an OFDM channel