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The Development and Application of the Universal Curve Fitting and Surface Fitting Software

Zhang Xiong

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Abstract

This paper introduces some main techniques and functions of the universal curve fitting and surface fitting software. The QNH performance curve of an axial fan was taken as an example, where the software is applied to do the surface fit and two dimensional interpolation. The result shows that the calculation using this software has reached a high level of accuracy, and completely meets the requirements of the engineering.

About this research paper

What this paper is about

This paper introduces some main techniques and functions of the universal curve fitting and surface fitting software. The QNH performance curve of an axial fan was taken as an example, where the software is applied to do the surface fit and two dimensional interpolation. The result shows that the calculation using this software has reached a high level of accuracy, and completely meets the requirements of the engineering.

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Method / approach

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Available abstract

This paper introduces some main techniques and functions of the universal curve fitting and surface fitting software. The QNH performance curve of an axial fan was taken as an example, where the software is applied to do the surface fit and two dimensional interpolation. The result shows that the calculation using this software has reached a high level of accuracy, and completely meets the requirements of the engineering.

Key concepts: Curve fitting, Software, Interpolation (computer graphics), Surface (topology), Surface fitting, Algorithm, Computer science, Engineering

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