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optimal power flow for analysis power network load flow

face detect on web camera

对于阵列天线以及其他种类天线的2维及3维仿真，可以调节波长，天线长度，以及倾角等参数。(For 2-dimensional and 3-dimensional simulation of the array antenna, and other types of antennas, the wavelength can be adjusted, the antenna length, and the inclination and other parameters.)

power_simplealt.rar，功率电子领域matlab仿真文件，已经验证过，程序运行正常(power_simplealt.rar，Power electronics field matlab simulation file, has already been verified, the normal operating procedures)

the code is to track the lips. which need to be marked by red color. the code tracks the red color of the lips and thus the lips indirectly. such system can be very much useful for audio visual departments

等倾干涉（由薄膜产生的干涉。薄膜可以是透明固体、液体或由两块玻璃所夹的气体薄层。入射光经薄膜上表面反射后得第一束光，折射光经薄膜下表面反射，又经上表面折射后得第二束光，这两束光在薄膜的同侧，由同一入射振动分出，是相干光，属分振幅干涉）(Isoclinal interference)

用于数字滤波，可以有效率滤除高频信号，其中滤波频率固定(For digital filtering, can efficiently filter out high frequency signal, which filter frequency is fixed)

控制系统的一本书 用matlab进行仿真 (Control system in a book)

MATLAB在物理、经济、生活方面的应用，如交流电、调谐震荡电路分析、广告效益等等(MATLAB in the physical, economic, and life applications, such as alternating current, the tuning oscillator circuit analysis, advertising effectiveness, etc.)

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