APT气象卫星图像接收的多普勒效应校正方法

2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS) Pub Date : 2021-11-16 DOI:10.1109/ISPACS51563.2021.9651104

Shou-Sheu Lin, Yan-Zhou Song

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引用次数: 1

摘要

从NOAA气象卫星接收一张有用的APT图像通常至少需要10分钟。由于接收时间长，存在多普勒频移和噪声问题。在本文中，我们提出了一种线性回归方法来估计APT图像的每条线的长度，然后应用插值来减轻多普勒频移和噪声。基于低成本软件无线电RTL-SDR和Matlab开发了一套完整的APT图像接收与处理系统。接收到APT图像并成功解码。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Doppler Effect Correction Method for APT Weather Satellite Image Reception

To receive an useful APT image from the NOAA weather satellites usually spends at least 10 minutes. It suffers from Doppler shift and noise due to long receiving time. In this paper, we propose a linear regression method to estimate the length of each line of the APT image, then, apply the interpolation to mitigate the Doppler shift and noise. We develop a complete APT image reception and processing system based on low cost software defined radio RTL-SDR and Matlab. An APT image was received and decoded successfully.

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来源期刊

2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)

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