GENERATION OF THE HY-2 SATELLITE ALTIMETER LOOK-UP TABLE TO ACCOUNT FOR THE PTR AND LPF FEATURES

被引：0

作者：

Xu Xi-Yu ^{[1
]}

Xu Ke ^{[1
]}

Wang Zhen-Zhan ^{[1
]}

Wang Lei ^{[1
]}

机构：

[1] Chinese Acad Sci, Ctr Space Sci & Appl Res, CAS Key Lab Microwave Remote Sensing, Beijing 100864, Peoples R China

来源：

2013 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2013年

关键词：

Altimeter; Point Target Response; Low-Pass Filter; Look-Up Table; retracking;

D O I：

10.1109/IGARSS.2013.6723764

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper the PTR and LPF of China's HY-2A satellite altimeter were extracted and their features were analyzed. Then Look-Up Tables (LUTs) of the range (height), SWH and amplitude (AGC) were generated based on the PTR and LPF by Monte-Carlo simulation. The actual PTR and the Bessel FSIR expression were included in the simulation model to acquire the most accurate results. The biases with respect to the SWH and attitude angle were tabulated by very fine grids, and the pertaining biases must be corrected in the pre-processing routine to get better sea surface height products.

引用

页码：4217 / 4220

页数：4

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