A NONLINEAR CONVERSION MODEL FORM ITRFYY TO CGCS2000

F. Wang; P. Zhang; Z. Y. Sun; Q. L. Zhang

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A NONLINEAR CONVERSION MODEL FORM ITRFYY TO CGCS2000

机译：非线性转换模型将ITRFYY形式为CGCS2000

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At present, ITRS series reference frameworks are widely used in the world. The results of GNSS are mostly based on the ITRF framework. Transform from ITRF to CGCS2000 is not easy, which restricts the promotion and use of CGCS2000. The conversion relationship between CGCS2000 and ITRF framework has imminent practical significance. This paper constructs the epoch reduction and frame conversion two-steps model which estimated the nonlinear model to solve the appeal problem. Effective test show that the nonlinear model accesses an improvement in not only precession but also accuracy relative to the tradition model.

机译：目前，ITRS系列参考框架广泛应用于世界。 GNSS的结果主要基于ITRF框架。从ITRF转换为CGCS2000并不容易，这限制了CGCS2000的促销和使用。 CGCS2000与ITRF框架之间的转换关系迫在眉睫。本文构建了估计非线性模型来解决吸引力问题的时代和帧转换两步模型。有效的测试表明，非线性模型不仅进一步进入，而且相对于传统模型的准确性。

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《International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences》 |2020年第4期|共4页
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F. Wang; P. Zhang; Z. Y. Sun; Q. L. Zhang;
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A NONLINEAR CONVERSION MODEL FORM ITRFYY TO CGCS2000

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