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表情图像的滤波处理,已经运行过能用，但是使用时，记得改一下路径。(biao qing picture de lv bo chu li,yi jing yu xing guo ,ke yi yong.bu guo ji de yao gai yi xia lu jing.)

這是一個利用butter filter 的bandstop 來濾除原始訊號中有雜訊的方法，先轉為spectrogram觀察雜訊所分步頻帶與能量，再依照要濾除的部分作bandstopa(This is a use of bandstop butter filter to filter out the noise of the original signal has a method, the first step into a spectrogram observation noise and energy of the band, then follow to filter out parts for bandstopa)

用matlab编程实现氢原子电子轨迹几率图(Hydrogen atom with matlab programming electronic tracks probability map)

基于混沌理论构建的信号检测系统具有敏感微弱周期信号和对噪声有强免疫力的特点,用于微弱信号检测领 域优势明显。实验室内研究需要产生包括混沌噪声在内的各种噪声,并叠加微弱周期信号作为微弱信号检测系统的信号 源。介绍一种基于LabVIEW平台并结合Matlab计算模块的混沌噪声发生器,可产生典型的3种混沌噪声:Logistic,Duff2 ing,Lorenz形式。该发生器将LabV IEW易于接口实现和Matlab计算精度高、编程简捷的特点相结合,具有结构清晰、通用 性强、易于实现、使用方便的特点。 (Built based on chaos theory, sensitive signal detection system with weak periodic signal and has a strong immunity to noise characteristics of the area for weak signal detection have obvious advantages. Laboratory studies need to generate, including noise, chaos, including a variety of noise and superimposed weak periodic signal as a weak signal detection system, signal source. Introduction of a platform based on LabVIEW and Matlab calculation module with the chaotic noise generator can produce the typical three kinds of chaotic noise: Logistic, Duff2 ing, Lorenz form. The generator will be LabV IEW easy interface, and Matlab calculation of high accuracy, simple programming features combined with a clear structure and versatility, easy to implement, easy to use features.)

粒子滤波跟踪算法学习的好文档。为个人读书心得，主要从三个角度去理解粒子滤波，由浅入深，有学习价值！(Particle filter tracking algorithm to learn a good document. For personal reading experience, mainly from the three perspectives to understand the particle filter, Deep learning value!)

说明：  基于u率的压扩变换法降低峰均功率比的误码率matlab仿真源程序(U Based on the rate of compression and expansion transform lower peak to average power ratio of the bit error rate simulation source code matlab)

Implementation of a rule using a Groovy script.

基于极大似然估计方法的多普勒额频移估计算法(Maximum likelihood estimation method based on the Doppler frequency shift estimation algorithm places)

航管雷达的天线在水平方向上具有比较窄的波束，在垂直面上具有比较宽的波束，该程序仿真了航管雷达垂直面上余割型天线方向图(ATC radar antenna has a relatively narrow beam in the horizontal direction, has a relatively wide beam in the vertical plane, the program simulates air traffic control radar vertical plane cosecant antenna pattern)

matlab的程序正弦与预先函数与相应的图 还有就是验证繁衍定理(matlab program with a pre-sine function and the corresponding figure there is verification multiply Theorem)