A Self-Calibration O/X-Mode Separation Method for Ionosonde

IF 3.7 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2024-12-26 DOI:10.1109/LAWP.2024.3522886

Haotian Hu;Tongxin Liu;Guobin Yang;Chongzhe Lao;Chunhua Jiang

引用次数: 0

Abstract

Radio waves in the ionosphere propagate in two modes: ordinary (O) and extraordinary (X). Accurate parameter inversion necessitates their separation. This letter proposes a self-calibrating O/X-mode separation method. By focusing on the higher-frequency branches beyond the overlap point of the F2 layer O/X traces, a direct iterative optimization method is used to determine phase-shift and amplitude compensation parameters for mode synthesis. By tracking diurnal variation characteristics of ionograms and extrapolating predictions, the parameters across the whole frequency bands can be determined. Comparing with the traditional separation method, this method is independent of antenna type and alignment, requires no internal or external calibration source, and can provide real-time calibration updates.

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电离探空仪的自校准O/ x模式分离方法

电离层中的无线电波以普通(O)和特殊(X)两种模式传播。精确的参数反演需要将它们分离。这封信提出了一种自校准O/ x模式分离方法。通过关注F2层O/X走线重叠点以外的高频分支，采用直接迭代优化方法确定模态合成的相移和幅度补偿参数。通过跟踪电离图的日变化特征和外推预测，可以确定整个频段的参数。与传统的分离方法相比，该方法与天线类型和对准无关，不需要内外部校准源，可以提供实时的校准更新。

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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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.