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分析了五孔测针标定曲线存在的问题 ,在最小二乘法基础上 ,建立了标定曲线的数学模型 ,完成了标定曲线的最优拟合 ,为三维流场的准确、自动测试奠定了理论基础。
Based on the least squares method, the mathematical model of calibration curve was established and the optimal fitting of calibration curve was completed, which laid the theoretical foundation for the accurate and automatic testing of three-dimensional flow field .