| ????????????????????????λ????? |
| |
| 引用本文： | 陈俊勇.????????????????????????λ?????[J].大地测量与地球动力学,2009,29(2):1-3. |
| |
| 作者姓名： | 陈俊勇 |
| |
| 作者单位： | 国家测绘局,北京,100830;武汉大学,武汉,430079 |
| |
| 摘 要： | ??????????GPS??????GLONASS???????????????????GPS ???????3?????裬????GPS??GLONASS?????????????Galileo????????????????????????????? ???????????????????????????????????????????棬???????????????λ????е???????????????????????Ч???????????????????????????????????????
|
| 关 键 词： | ??????????? GNSS GPS GLONASS ??????λ |
PROGRESS IN GNSS AND ITS INFLUENCE ON NAVIGATION AND POSITIONING |
| |
| Chen Junyong.PROGRESS IN GNSS AND ITS INFLUENCE ON NAVIGATION AND POSITIONING[J].Journal of Geodesy and Geodynamics,2009,29(2):1-3. |
| |
| Authors: | Chen Junyong |
| |
| Abstract: | Introduced the new developments of GPS and GLONASS,the differences in technique between them,and the three steps of the GPS modernization.Besides,the future developments of Galileo and Compass are also introduced.In few years navigation satellite system will step forward a new era,i.e.multi-GNSS and hundred navigation satellites will exist simultaneously in the sky over the Earth,then it will obviously improve the availability,continuity and reliability in the navigation and positioning,and their costumer h... |
| |
| Keywords: | GNSS GPS GLONASS |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《大地测量与地球动力学》浏览原始摘要信息 |
| 点击此处可从《大地测量与地球动力学》下载免费的PDF全文 |
