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关于CAGD中曲面曲率线的计算方法研究的论文，具有实际的编程参考意义。(Surfaces in CAGD curvature line on the calculation method of the paper, the practical significance of programming reference.)

MATLAB function which creates a black and white version of a grayscale image by specifying a single threshold value pixels below this value become black, and above this value they are white. Usage:

波动率预测模型；期权定价；未来期权波动率预测(local volatility model (hestion calibration))

TDOA_AOA无线定位代码及卡尔曼滤波算法(TDOA_AOA wireless location code)

本程序是用于根据当地坐标信息来计算UTM坐标的转换程序，可能根据经纬高信息转换到当地的UTM坐标(This procedure is used for the conversion process according to the local coordinate information to calculate the UTM coordinates, according to latitude and longitude information may be converted to the UTM coordinates)

三相锁相环 PLL 基于s-function builder模块编写 经测试可用 整流逆变均可用(three-phase PLL based on s-function builder )

Improved Phase Correlation Matching

说明：  基于UPML吸收边界的三维FDTD数值模拟程序(3-D FDTD code with UPML)

it s important thing for development

renewable energy mode for beginers