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Chi Zhang, Zhong Yang, Haoze Zhuo, Luwei Liao, Xin Yang, Tang Zhu and Guotao Li
Self-localization and state estimation are crucial capabilities for agile drone autonomous navigation. This article presents a lightweight and drift-free vision-IMU-GNSS tightly coupled multisensor fusion (LDMF) strategy for drones? autonomous and safe n...
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Brian G. Sanderson, Richard H. Karsten, Cameron C. Solda, David C. Hardie and Daniel J. Hasselman
Tidal stream energy is a renewable energy resource that might be developed to offset carbon emissions. A tidal energy demonstration (TED) area has been designated in Minas Passage, Bay of Fundy, for testing and installing marine hydrokinetic (MHK) turbin...
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Lu Wang, Shiliang Fang, Yixin Yang and Xionghou Liu
Localization of emitting sources is a fundamental task in sonar applications. One of the most important factors that affect the localization performance is the sensor?target geometry. The sensor formation problem is usually addressed in related work assu...
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Dimitrios S. Paraforos, Galibjon M. Sharipov, Andreas Heiß and Hans W. Griepentrog
Remote sensing data in agriculture that are originating from unmanned aerial vehicles (UAV)-mounted multispectral cameras offer substantial information in assessing crop status, as well as in developing prescription maps for site-specific variable rate a...
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Yanyu Jiang, Valery Grigorev and Boris Katsnelson
Fluctuations of sound intensity in the presence of moving nonlinear internal waves (NIWs) are studied. Prior works revealed the existence of peaks in the spectrum of these fluctuations due to mode coupling. In the given paper, the results of experiment A...
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Dai Liu, Zhenglin Li, Guangxu Wang and Yunfeng Liu
An undulating bottom in shallow water has a significant effect on sound propagation. An acoustic propagation experiment was carried out in the East China Sea in 2020. Measurements along two separate propagation tracks with flat and undulating bottoms wer...
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Lorenzo Frezza, Paolo Marzioli, Fabio Santoni and Fabrizio Piergentili
The usage of aeronautical radio-frequency navigational aids can support the future stratospheric aviation as back-up positioning systems. Although GNSS has been extensively redundant in the last years of space operations, radio NavAids can still be suppo...
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Mohammad Hossein Same, Gabriel Gleeton, Gabriel Gandubert, Preslav Ivanov and Rene Jr Landry
By increasing the demand for radio frequency (RF) and access of hackers and spoofers to low price hardware and software defined radios (SDR), radio frequency interference (RFI) became a more frequent and serious problem. In order to increase the security...
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Malek Karaim, Mohamed Tamazin and Aboelmagd Noureldin
The Global Positioning System (GPS) provides an accurate navigation solution in the open sky. However, in some environments such as urban areas or in the presence of signal jamming, GPS signals cannot be easily tracked since they could be harshly attenua...
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Aja Tumavice, Alfredas Laurinavicius, Aleksandras Jagniatinskis, Audrius Vaitkus
Pág. 2704 - 2713
Railways are one of the most environmentally friendly types of transport. Rail transport requires less energy and emits less hazardous substances, but biggest issues with railways are an environmental noise pollution noise. To reduce this noise different...
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