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离散小波分解下的图像增强，快速，可以与其他波分解的图像增强做对比(Discrete wavelet decomposition of image enhancement, fast, with other wave decomposition of image enhancement to do comparison)

matlab仿真对采集数据进行滤波的两种方法：多次平均滤波和一阶滞后滤波的比较。(matlab simulation filtering the collected data in two ways: the average number of first order lag filter and the filter comparison.)

Self authentication of Color Images. I. Kostopoulos1, A. N. Skodras2, and D. Christodoulakis3 A research paper implementation.

matlab电网直流输电次同步振荡建模代码，完善建模信息(matlab Grid HVDC sub-synchronous oscillation modeling code, improve the modeling information)

复杂网络的拓扑辨识,通过复杂网络中节点的状态可以辨识出复杂网络的连接结构（洛仑兹系统）(topology identification of complex networks. According to the node state of complex network, we can know the topology of this complex networks(Lorentz system))

可以生成二维码,然后可以读取二维码比较结果(Can generate a two-dimensional code, and then compare the results can be read two-dimensional code)

石川公式法计算齿轮副啮合刚度，可以画一个周期(Deputy Incident formula method to calculate gear mesh stiffness, you can draw a cycle)

MATLAB下通过impulse invariant transformation方法设计数字滤波器，包含低通和带通滤波器代码。(Using MATLAB m-file to design LP and BP digital filter by impulse invariant transformation method.)

本PDF是对QPSK调制方式的完美解释，非常适合初学者学习，有了本材料，QPSK对你将是小菜一碟(This PDF is the perfect QPSK modulation to explain, very suitable for beginners to learn, with this material, QPSK will be a piece of cake for you)

卡尔曼滤波matlab程序，静态及动态实验，北航仪器专业大作业(kalman filter)