高精度重力测量的潮汐改正软件及其评估分析  

Tide Correction Software for High Precision Gravimetric Measurements and Its Evaluation Analysis

作　　者：朱传东 陈铭 明晓冉 庞柳青 田兴宇 苏建文 ZHU Chuandong;CHEN Ming;MING Xiaoran;PANG Liuqing;TIAN Xingyu;SU Jianwen(The First Monitoring and Application Center,CEA,7 Naihuo Road,Tianjin 300180,China)

机构地区：[1]中国地震局第一监测中心,天津市300180

出　　处：《大地测量与地球动力学》2023年第1期106-110,共5页Journal of Geodesy and Geodynamics

基　　金：中国地震局第一监测中心科技创新主任基金(FMC2022001);中国地震局地震科技星火计划(XH22017YA,XH22016YA);国家重点研发计划(2018YFC1503606)。

摘　　要：基于MATLAB GUI界面,采用天顶距直接法和负荷格林函数法编写一套重力固体潮与海洋潮汐负荷改正软件GTIDE,并将其与国际现有软件进行比较。结果表明,GTIDE软件易于操作、便于维护,能有效揭示重力固体潮与海洋潮汐负荷的变化特征,适用于高精度绝对重力与相对重力测量的潮汐改正。Based on MATLAB GUI interface,we compile a set of tide correction software GTIDE for gravity solid tide and ocean tide loading using zenith distance and Green’s function method.We analyze the reliability and applicability of GTIDE through comparison with existing international software.The results show that software is easy to operate and maintain,and its results can effectively reveal the variation characteristics of gravity solid tide and ocean tide loading.The GTIDE can be using for tide corrections of high-precision absolute gravity and relative gravity measurements.

关 键 词：重力固体潮 海潮负荷 潮汐改正 MATLAB 

分 类 号：P223[天文地球—大地测量学与测量工程] P312[天文地球—测绘科学与技术]