基于方位角滤波的gnss spm延迟相互关联增强对日本沙尘和沙尘暴的探测

IF 0.3 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
Rin Tokunaga;Takeshi Higashino
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引用次数: 0

摘要

这封信建议应用GNSS中使用的精确点定位(PPP)技术来探测大气中的沙尘暴(DSS)。许多文献报道了gnss反演的天顶总延迟(ZTD)对气溶胶和沙尘暴的影响,但没有考虑沙尘暴到达角的指向性。由于包括黄沙和PM2.5在内的悬浮颗粒物(SPM)通常来自日本的西侧,因此在估计ZTD的过程中引入了方位角滤波。提出的SPM诱导延迟与地面SPM测量时间序列之间的相互关系得到了增强。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cross-Correlation Enhancement with GNSS-Derived SPM-Delay Using Azimuth Angle Filtering Towards Dust and Sandstorm Detection in Japan
This letter proposes the application of the precise point positioning (PPP) technique used in the GNSS for detecting the dust and sandstorm (DSS) in the atmosphere. Many of the papers have reported that the GNSS-derived zenith total delay (ZTD) is affected to aerosols and sandstorms, however, directivity for arrival angles of sandstorms is not considered. Since the suspended particulate matter (SPM) including the yellow sand and PM2.5 usually comes from the west side from Japan, azimuthal angle filtering is introduced in the process of estimation of the ZTD. The enhancement in the cross-correlation between the proposed SPM-induced delay and measured time series of the ground SPM has shown.
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来源期刊
IEICE Communications Express
IEICE Communications Express ENGINEERING, ELECTRICAL & ELECTRONIC-
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33.30%
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114
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