RESEARCH OF COLD SKY CALIBRATION FOR CHINESE FUTURE SATELLITE-BASED L-BAND RADIOMETER

被引：0

作者：

Zhao, Yili ^{[1
]}

Chen, Chuntao ^{[1
]}

Zhou, Wu ^{[2
]}

Ma, Chaofei ^{[2
]}

Zhu, Jianhua ^{[1
]}

Huang, Xiaoqi ^{[1
]}

机构：

[1] State Ocean Adm, Natl Ocean Technol Ctr, Tianjin, Peoples R China

[2] State Ocean Adm, Natl Satellite Ocean Applicat Serv, Beijing, Peoples R China

来源：

2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2017年

基金：

中国国家自然科学基金;

关键词：

L-band radiometer; Celestial Sky Calibration; Simulation; SMOS;

D O I：

暂无

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The satellite-based L-band radiometer of China under designing is aim to measure sea surface salinity, which will be launched in 2018. In this paper, a research of Celestial Sky Calibration (CSC) for Chinese L-band radiometer is presented. The orbit of satellite is calculated with planned parameters for a repeat period at first, and then the optimum location for performing a CSC is determined by calculating the weighted land fraction in view of the back lobes of L-band radiometer antenna. Furthermore, the celestial sky radiation received by the antenna is simulated for seeking the opportunity when the antenna temperature is stable enough for calibration.

引用

页码：2101 / 2103

页数：3

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