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ENGINEERING AND SCIENTIFIC CALCULATIONS USING MATLAB

Canny算子，用Canny提取数字图像的边缘(Canny operator, extract the digital image with Canny edge)

说明：  matlab 数字信号处理工具箱 含有非常完整的信号处理函数(signal_processing)

针对mean shift 跟踪方法中存在的光照变化不稳定问题， 提出了基于梯度特征与彩色 特征相融合的mean shift 跟踪方法。首先分别提取目标的梯度特征和彩色特征，利用多尺度的相似度 计算方法进行特征的匹配，然后通过最大化相似度对目标进行跟踪。通过物体和人体等运动目标的跟 踪，验证了改进的跟踪算法在光照变化情况下的鲁棒性优于原有的算法，显著降低了跟踪位置误差。(The instability of the light changes in the mean shift tracking method, the mean shift tracking method based on gradient features and color characteristics of fusion. First extract gradient features and color features of the target, the similarity calculation method using multi-scale feature matching, and then maximize the similarity of the target track. Through the tracking of objects and people moving target, verify the robustness of the improved tracking algorithm in the case of illumination changes is better than the original algorithm significantly reduces the tracking position error.)

利用FDTD算法，计算fopen环境下的雷达散射截面积。(Use FDTD algorithm to calculate fopen environment RCS.)

滤波器设计是信号处理的核心问题之一,Matlab软件在多个研究领域都有着广泛的应用。 本文介绍了基于Matlab环境下,用窗函数设计法实现FIR数字滤波器的设计,并阐述了与以前人 们常用的设计方法的区别,给出了设计实例。仿真结果表明,设计结果的各项性能指标均达到指定 要求,且设计过程简便易行。 (The design of filters is a core problem in signal processing. MATLAB software iswidely used inmany research fields. This article introduces themethod ofusingwindow function to design FIR digital filters based onMATLAB and its differences from the tradi- tional designmethods. And itgives a design example. The simulation shows that the design results canmeet the requirements verywell and the design procedure is very simple and practica.l )

ART and ARTMAP neural networks

“聚类分析”使用c语言编写，在MATLAB数学工具中，对数据先进行类别划分，然后将目标进行对号入座。压缩文件中有使用说明，可以自行选择模式功能。(Using c language, in MATLAB mathematical tool, identify the data clustering analysis, compressed file with instructions, you can choose the mode function.)

matlab 认知无线电中功率分配程序仿真(Power Allocation in Cognitive Radio matlab program)

Zhang wavelet neural network. Do the first wavelet network made by Dr. Zhang.