气象科技进展2016，Vol.6Issue(1)：83-87,5.DOI:10.3969/j.issn.2095-1973.2016.01.012
FY-3C的掩星探测特点和初步结果
Status of Radio Occultation Sounding Technology of FY-3C GNOS
廖蜜 1张鹏 2杨光林 3白伟华 4孟祥广 4杜起飞 5孙越强5
作者信息
- 1. 中国气象科学研究院，北京100081
- 2. 南京信息工程大学，南京210044
- 3. 国家卫星气象中心，北京100081
- 4. 国家卫星气象中心，北京100081
- 5. 中国科学院空间科学应用中心，北京100190
- 折叠
摘要
Abstract
This paper gives a brief introduction to the status of radio occultation technology implemented on FY-3C and describes the instrument mounted on it, GNOS (Global Navigation satellite system Occultation Sounder). The data processes are stated as well. To evaluate its performance, the refractivity proifles are compared by makking use of ECMWF reanalysis in terms of global and different latitudes. The results show that the performance of GNOS-GPS is the best at the vertical range of 5-25km with the standard deviation below 1%, consistent with other occultation sounders. The expected result demonstrates that middle and high latitudes show less bias than lower areas, due to fewer multipath effects of moist atmosphere. These results illustrate that FY-3C has possessed a new sounding ability with the ifrst trial, but still has much work to do to improve the precision at higher altitude.关键词
FY-3C/掩星探测/GNOS/折射率Key words
FY-3C/radio occultation technology/GNOS/refractivity引用本文复制引用
廖蜜,张鹏,杨光林,白伟华,孟祥广,杜起飞,孙越强..FY-3C的掩星探测特点和初步结果[J].气象科技进展,2016,6(1):83-87,5.
