Filtering and Smoothing in the Course of Ground-based Retracking of Space-based Altimeter Data

被引：0

作者：

Borovitsky, Dmitry S. ^{[1
]}

Zhesterev, Alexander E. ^{[1
]}

Ipatov, Valery P. ^{[2
]}

Mamchur, Ruslan M. ^{[2
]}

机构：

[1] JSC Russian Inst Radionav & Time, Dept Adv Res, St Petersburg, Russia

[2] St Petersburg Electrotech Univ LETI, Dept Radio Engn Syst, St Petersburg, Russia

来源：

PROCEEDINGS OF THE 2019 IEEE CONFERENCE OF RUSSIAN YOUNG RESEARCHERS IN ELECTRICAL AND ELECTRONIC ENGINEERING (EICONRUS) | 2019年

关键词：

satellite altimeter; retracking; Kalman filter; smoothing; ASSIMILATION; JASON-1;

D O I：

10.1109/eiconrus.2019.8657310

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：

Satellite altimeter on-board delay-lock loop, by a widely shared concept, is operationally just a tool of a reliable retaining of echo-signal within the tracking window, while "fine" altimetric parameter (orbit height, significant wave height, etc.) measuring is committed to the ground-based retracking of data transmitted from the space vehicle. In particular, in the course of retracking altimeter data are filtered and/or smoothed. In the paper implementation of these procedures via Kalman algorithm is described. It is stated that Kalman filtering and smoothing make estimates accuracy two and more times higher depending on significant wave height.

引用

页码：1155 / 1161

页数：7

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