Title :
System techniques and capabilities of the HY-2A altimeter
Author :
Ke Xu ; Heguang Liu ; Peng Liu ; Xiufen Yu
Author_Institution :
Key Lab. of Microwave Remote Sensing, Nat. Space Sci. Center, Beijing, China
Abstract :
HY-2A, the China´s first satellite for oceanic dynamic environment measurement, was launched on August 16th, 2011. As one of main payloads of HY-2A satellite, HY-2A radar altimeter is a dual-frequency (Ku and C band) altimeter with a conventional pulse-limited method. The altimeter can measure sea surface height, significant wave height, and sea surface wind speed. The accuracy of the altimeter is about 2cm (@4m SWH) or 4cm (@20m SWH). The system techniques and capabilities of the HY-2A altimeter are discussed in this paper.
Keywords :
artificial satellites; radar altimetry; China; HY-2A radar altimeter; HY-2A satellite; oceanic dynamic environment measurement; pulse-limited method; sea surface height measurement; sea surface wind speed measurement; wave height measurement; Accuracy; Bandwidth; Radar tracking; Satellites; Sea measurements; Spaceborne radar; HY-2A satellite; operation in flight; radar altimeter;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2014 IEEE International
Conference_Location :
Quebec City, QC
DOI :
10.1109/IGARSS.2014.6947663
