Results 51 to 60 of about 101,715 (197)

AQUA‐FINS: Advanced Quantitative Underwater Analysis by a Flexible Integrated Nitrate Sensor

Advanced Sensor Research
This work presents a novel, integrated sensor array for real‐time monitoring of key water quality parameters in aquaculture: nitrate, pH, and temperature. The array, fabricated on a flexible substrate, comprises potentiometric nitrate and pH sensors, and
Shah Zayed Riam, Md. Najmul Islam, Ali Reza Galib, Mohammad Solaiman, AKM Sarwar Inam, Brian D. Ott, Shawana Tabassum   +6 more
doaj   +1 more source

Navigation Control and Signal Processing Methods for Multiple Autonomous Unmanned Systems

Applied Sciences
Autonomous underwater vehicles (AUVs) have been widely deployed in numerous underwater applications, such as biological monitoring, oceanographic surveys, and military underwater surveillance [...]
Haoqian Huang, Bing Wang, Yuan Yang
doaj   +1 more source

Compression Techniques of Underwater Acoustic Signals for Real-Time Underwater Noise Monitoring [PDF]

The 6th International Electronic Conference on Sensors and Applications, 2019
The monitoring of the marine environment results in large amounts of data that must be processed and transmitted effectively for efficient resource management. In particular, given its high sampling rate, underwater noise signal acquisition technologies deserve special attention.
Ivan Felis, Rosa Martínez, Pablo Ruiz, Hamid Er-rachdi   +3 more
openaire   +1 more source

Development and Application of Deep Water High Pressure Simulation Test Compartment

Shiyou jixie, 2017
To simulate the deep water and high pressure working environment of drilling and production equipment, and to systematically test and study the pressure bearing performance, sealing performance, action performance, safety and reliability of underwater ...
Zuo Qichuan, Liu Hongliang, Lei Guangjin, Huai Chao, Hou Xiaodong, Wang Bingwu, Chen Ye   +6 more
doaj  

Monitoring the sea environment using acoustics the role of the acoustical observatories [PDF]

, 2013
The presentation deals with theoretical factors and technical specifications pertinent to the design of an acoustical observatory for the monitoring of the marine environment. Two types of observatories are mentioned, namely active and passive. Among the
Taroudakis, Michael
core  

The Safe-Port project: an approach to port surveillance and protection [PDF]

, 2010
SAFE-PORT is a recently started project addressing the complex issue of determining the best configurations of resources for harbour and port surveillance and protection.
Abreu, M.A., Bezzeghoud, M., Calado, J., Captivo, M.E., Casimiro, R.P., Freitas, J.C., Gonçalves, G., Gonçalves, S., Lopes, J., Manso, M., Martins, M., Rodrigues, A., Salgado, R., Sousa, J.   +13 more
core   +1 more source

A Mobility-Assisted Localization Algorithm for Three-Dimensional Large-Scale UWSNs

Sensors, 2020
As one of the important facilities for marine exploration, as well as environment monitoring, access control, and security, underwater wireless sensor networks (UWSNs) are widely used in related military and civil fields, since the sensor node ...
Junhai Luo, Yang Yang, Zhiyan Wang, Yanping Chen, Man Wu   +4 more
doaj   +1 more source

An efficient scalable scheduling mac protocol for underwater sensor networks [PDF]

, 2018
Underwater Sensor Networks (UWSNs) utilise acoustic waves with comparatively lower loss and longer range than those of electromagnetic waves. However, energy remains a challenging issue in addition to long latency, high bit error rate, and limited ...
Alfouzan, Faisal, Boutaleb, Tuleen, Ghoreyshi, Seyed Mohammad, Shahrabi, Alireza   +3 more
core   +1 more source

Real Time Object Detection for Autonomous AUVS Using an Attention–Based Fast–Rcnn Framework

International Journal of Applied Mathematics and Computer Science
This article considers the problem of fish monitoring in an underwater environment, where many problems might occur, including occlusion, pose changes, and complexity of the scene.
Boudhane Mohcine, Toulni Hamza
doaj   +1 more source

Measurement of the atmospheric muon flux with the NEMO Phase-1 detector [PDF]

, 2010
The NEMO Collaboration installed and operated an underwater detector including prototypes of the critical elements of a possible underwater km3 neutrino telescope: a four-floor tower (called Mini-Tower) and a Junction Box.
Aiello, S., Ameli, F., Amore, I., Anghinolfi, M., Anzalone, A., Barbarino, G., Battaglieri, M., Bazzotti, M., Bersani, A., Beverini, N., Biagi, S., Bonori, M., Bouhadef, B., Brunoldi, M., Cacopardo, G., Capone, A., Caponetto, L., Carminati, G., Chiarusi, T., Circella, M., Cocimano, R., Coniglione, R., Cordelli, M., Costa, M., D'Amico, A., De Bonis, G., De Marzo, C., De Rosa, G., De Ruvo, G., De Vita, R., Distefano, C., Falchini, E., Flaminio, V., Fratini, K., Gabrielli, A., Galatà, S., Gandolfi, E., Giacomelli, G., Giorgi, F., Giovanetti, G., Grimaldi, A., Habel, R., Imbesi, M., Kulikovsky, V., Lattuada, D., Leonora, E., Lonardo, A., Lucarelli, F., Margiotta, A., Marinelli, A., Martini, A., Masullo, R., Migneco, E., Minutoli, S., Morganti, M., Musico, P., Musumeci, M., Nicolau, C. A., Orlando, A., Osipenko, M., Papaleo, R., Pappalardo, V., Piattelli, P., Piombo, D., Presti, D. Lo, Raia, G., Randazzo, N., Reito, S., Ricco, G., Riccobene, G., Ripani, M., Rovelli, A., Ruppi, M., Russo, G. V., Russo, S., Sapienza, P., Sciliberto, D., Sedita, M., Shirokov, E., Simeone, F., Sipala, V., Spurio, M., Taiuti, M., Trasatti, L., Urso, S., Vecchi, M., Vicini, P., Wischnewski, R.   +87 more
core   +2 more sources