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功率谱分析是信号处理的重要内容，包括频率解与动态区域解、误差改进方法等程序(Power spectrum analysis is an important aspect of signal processing, including the frequency of solutions and dynamic regional solutions to improve the methods of procedure error)

介绍了《MATLAB语言常用算法程序集》一书的源程序(" MATLAB language commonly used algorithm for assembly," the source book)

边缘提取技术边缘是图像对视觉的最主要特征，因此在计算机视觉技术中提出了多种检测边缘的算法。由于各种原因，图像常常受到随机噪声的干扰，经典的边缘检测的结果常常是将噪声误检为边缘点，而真正的边缘由于噪声干扰却可能被漏检。因而对于被噪声污染的图像来说，一种好的边缘检测方法应具有良好的噪声抑制能力，同时又有完备的边缘保持特性。(After analysing the soft threshold funetion,the smoothness threshold function is proposed by modifying the soft threshold function.because this function keeps smooth in the entire value range,some important details in the process of image denoising can be held. Firstly we detect the edge of the noising image. )

说明：  MATLAB及其在理工课程中的应用指南,西安电子科技大学出版社出版 陈怀琛编著(MATLAB courses in the sciences and the application of guidelines, Xi'an University of Electronic Science and Technology Publishing House Huai-compilation)

认知无线电中基于压缩感知的协作频谱检测算法。用matlab实现该算法的仿真结果。(Compressed sensing in cognitive radio based cooperative spectrum sensing algorithm. Implementation of the algorithm using matlab simulation results.)

利用头脑风暴算法，求解cec——2017 benchmark，是史玉回老师的源代码进行的修改(brain storm algorithm)

动力学教程中的数值方法，包括中心差分法，newmark法，wilson法(Tutorial dynamics of numerical methods, including the central difference method, newmark Act, wilson Law)

strategy pattern example(An example for using a simple Strategy Pattern)

说明：  am调制解调，水平有限，希望大家多多指正(am modulation and demodulation, the level is limited, a lot of hope that we can correct me)

initialisation de la fcm