期刊文献+

相位中心改正模式的转变对GPS数据处理的影响 被引量:15

Impact on GPS Data Processing of Changing fom Relative Phase Center Corrections to Absolute Phase Center Corrections
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摘要 分析对比了GPS数据处理中使用的天线相位中心的相对改正方式和绝对改正方式,使用绝对改正模式具有更多的优点,而使用不同的天线相位改正模式时,会对GPS数据处理结果产生影响。利用BerneseGPS软件对某城市CORS系统网的实例数据进行了计算,结果表明,采用不同的相位中心改正方式对坐标结果在高程方向会造成cm级的影响,网的尺度比会变化6.4ppb,对流层天顶方向总延迟的估计值之间的差别为-6.9±4.0mm。 In precise GPS data processing, absolute antenna phase center correction model has much advantage with relative model. When using different antenna phase center correction model, it has impact on GPS results. After analyzing the results of a city's CORS GPS data processed by Bernese GPS software, we find that coordinate in height various at a cm level, net scale factor changed 6.4 ppb, difference of troposphere ZPD value is -6.9±4.0 mm.
出处 《武汉大学学报(信息科学版)》 EI CSCD 北大核心 2009年第11期1301-1304,共4页 Geomatics and Information Science of Wuhan University
基金 国家863计划资助项目(2007AA12Z312 2008AA12Z308) 武汉大学地球空间环境与大地测量教育部重点实验室开放研究基金(测绘基础研究)资助项目(07-10)
关键词 GPS 卫星天线 接收机天线 相位中心改正 GPS satellite antenna receiver antenna phase center corrections
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参考文献8

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二级参考文献12

共引文献73

同被引文献88

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