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首页> 外文会议>Proceedings of the Institute of Navigation 2011 international technical meeting >QZSS System Design and Initial Performance Verification
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QZSS System Design and Initial Performance Verification

机译：QZSS系统设计和初始性能验证

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The Quasi-Zenith Satellite System (QZSS), a Japanesernsatellite navigation system, broadcasts GPS-interoperablernsignals and augmentation signals as well as originalrnJapanese signals from an inclined, ellipticalrngeosynchronous orbit. Using this system, users aroundrnJapan and Oceania can make use of seamless positioning,rnnavigation, and timing services, even in urban canyonsrnand mountainous areas. A government policy supports thernproject to promote the use of geographical spatialrninformation linked to satellite-based navigation for arnwealthy and secure life in accordance with the rapidrnincrease of satellite navigation users nationwide. Tornsupport that policy, JAXA is in charge of developing thernfirst stage of the QZSS in collaboration with relatedrnministries and national research institutes.rnThe first satellite of the Quasi-Zenith Satellite System,rnMICHIBIKI, was successfully launched on September 11,rn2010, by a Japanese H2A launch vehicle. After a series ofrnorbit-raising and phase adjustment maneuvers, thernsatellite reached its operational orbit on September 27.rnOn-orbit checkout was started right after insertion of thernoperational orbit. All satellite system functions as well asrnfunctions of the newly developed on-ground controlrnsystem have been verified for 3 months. This paperrnsummarizes the design of the QZSS and describes the firstrnresults of the on-orbit checkout of the QZSS withrnparticular emphasis on integrated system performance,rnnot only of the flight segment but also of the groundrncontrol segment.
机译：准天顶卫星系统（QZSS）是一种日本卫星导航系统，可广播GPS互操作信号和增强信号以及来自倾斜，椭圆形地球同步轨道的原始日本信号。使用该系统，日本和大洋洲周围的用户甚至可以在城市峡谷和山区使用无缝定位，导航和计时服务。政府政策支持该项目，以根据全国范围内卫星导航用户的迅速增加，促进与基于卫星的导航相关的地理空间信息的使用，以实现专业和安全的生活。在这一政策的支持下，JAXA负责与相关部门和国家研究机构合作开发QZSS的第一阶段。rn准天顶卫星系统的第一颗卫星rnMICHIBIKI是由日本H2A于2010年9月11日成功发射的运载工具。经过一系列的升轨和相位调整演习后，卫星卫星于9月27日到达其运行轨道。在插入了运行轨道之后，就开始了在轨检验。卫星系统的所有功能以及新开发的地面控制系统的功能已经过3个月的验证。本文概述了QZSS的设计，并描述了QZSS的在轨检出的第一个结果，特别强调了综合系统的性能，不仅是飞行部分，还包括地面控制部分。

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