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最小二乘法拟合进行n次多项式拟合，N用来控制拟合的次数，例如N=5时进行4次多项式拟合，还回的是拟合系数(Least squares fit polynomial n times, N is used to fit the number of control, e.g., N = 5 When quartic polynomial fitting, further back are fitting coefficients)

FFT A计权 倍频程分析 三分之一倍频程分析(F F T A w eight o c tave a n al o n e t hird o ctave)

说明：  用LBM代码编写的由于温差而产生的自然对流小程序(As with the LBM code written in natural convection resulting from temperature applet)

CFD数值计算中kw-sst两方程湍流模型的相关代码(kw-sst two equation turbulence model of CFD numerical calculation)

三维PML-FDTD的C语言代码，完全匹配层的C语言实现(3D PML-FDTD in the C language code, perfectly matched layer in C language)

可实现OFDM电力载波通信的前导序列检测，能进行连续多个前导检测(Can achieve OFDM power carrier communication leading sequence detection, can carry out a number of continuous preamble detection)

说明：  经过优化的C代码实现的Gauss-Seidel 迭代算法(Optimized C code of the Gauss-Seidel iterative algorithm)

半参数回归模型在测绘领域中的应用，先利用多期数据构建半参数回归模型，然后再预报未来多期数据(Semiparametric regression model applied in the field of surveying and mapping, the first use of multi-phase data to construct semi-parametric regression model, and then predict the future multi-phase data)

fluent模拟焊接，熔滴过渡的质量源项(Welding Simulation， mass source)

C++编写“三维粱单元有限元计算内核”，对杆系有限元的理论和C++的理解有了很大提高(C++ written " three-dimensional beam finite element kernel module" , and on finite element theory and the understanding of C++ has been greatly improved)