Articles with "frequency surface" as a keyword



Experimental Observation and Analysis of Ionosphere Echoes in the Mid-Latitude Region of China Using High-Frequency Surface Wave Radar and Ionosonde

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Published in 2020 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2020.3014666

Abstract: Ionospheric clutter is a major factor affecting the performance of high-frequency surface wave radar (HFSWR). Previous studies have been mainly focused on the development of ionospheric clutter suppression methods involving delicate signal processing techniques or… read more here.

Keywords: hfswr; high frequency; surface wave; clutter ... See more keywords

A Method of Track Matching Based on Multipath Echoes in High-Frequency Surface Wave Radar

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Published in 2018 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2018.2868095

Abstract: The echo signal of high-frequency surface wave radar is a signal which may contain both ocean path echoes and ionosphere path echoes. Due to the diffuse scattering characteristic of target, a portion of the echo… read more here.

Keywords: surface wave; high frequency; track; wave radar ... See more keywords

Effects of sinusoidal mid-spatial frequency surface errors on optical transfer function

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Published in 2024 at "Chinese Optics"

DOI: 10.37188/co.2023-0229

Abstract: : Mid-spatial frequency surface errors (MSFSE) can cause small angle scattering in optical systems. read more here.

Keywords: surface errors; mid spatial; spatial frequency; frequency surface ... See more keywords