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Zhuo Li, Huixiang Ling and Xiao Zhao
There are plans to set up a space-based gravitational wave observatory that will use an ultra-large-scale laser interferometer in space to detect medium- and low-frequency gravitational waves. Both heliocentric and geocentric formations adopt the method ...
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Peberlin Parulian Sitompul, Pakhrur Razi, Timbul Manik, Mario Batubara, Musthofa Lathif, Farahhati Mumtahana, Rizal Suryana, Ibnu Nurul Huda, Taufiq Hidayat, Yana Taryana and Farhan Sobirin
After years of preparation, the Indonesia National Observatory, located in Mount Timau, Kupang Regency, is currently in the completion stage of research in astronomy and astrophysics and related subjects. An optic telescope with a 3.8 m diameter is expec...
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Diego Real, Agustín Sánchez Losa, Antonio Díaz, Francisco Salesa Greus and David Calvo
This paper encapsulates details of the NEMO laser beacon?s design, offering a profound contribution to the field of the time calibration of underwater neutrino telescopes. The mechanical design of the laser beacon, which operates at a depth of 3500 m, is...
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Kidoo Park, Yeongjeong Seong, Younghun Jung, Ilro Youn and Cheon Kyu Choi
The methods for improving the accuracy of water level prediction were proposed in this study by selecting the Gated Recurrent Unit (GRU) model, which is effective for multivariate learning at the Paldang Bridge station in Han River, South Korea, where th...
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Faezeh Behzadi Pour, Lorena Parra, Jaime Lloret and Saman Abdanan Mehdizadeh
Acquiring the morphological parameters of fish with the traditional method (depending on human and non-automatic factors) not only causes serious problems, such as disease transmission, mortality due to stress, and carelessness and error, but it is also ...
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Ahmad Falahzadeh, Daniel Mihai Toma, Marco Francescangeli, Damianos Chatzievangelou, Marc Nogueras, Enoc Martínez, Matias Carandell, Michael Tangerlini, Laurenz Thomsen, Giacomo Picardi, Marie Le Bris, Luisa Dominguez, Jacopo Aguzzi and Joaquin del Río
The use of marine cabled video observatories with multiparametric environmental data collection capability is becoming relevant for ecological monitoring strategies. Their ecosystem surveying can be enforced in real time, remotely, and continuously, over...
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Chang Shu, Feng Lyu, Rendong Xu, Xichen Wang and Wei Wei
Cabled ocean observatories (COOs) have enabled real-time in situ ocean observations for decades, thereby facilitating oceanic understanding and exploration. This review discusses typical COOs worldwide in terms of system configurations and state-of-the-a...
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Jaime Cortés, Felipe Lucero, Leandro Suarez, Cristian Escauriaza, Sergio A. Navarrete, Gonzalo Tampier, Cristian Cifuentes, Rodrigo Cienfuegos, Daniel Manriquez, Bárbara Parragué, Nicole Osiadacz and Randy Finke
Current advances in wave energy technologies have enabled the development of new integrated measurement platforms powered by the energy of wave motion. Instrumentation is now being deployed for the long-term observation of the coastal ocean, with the obj...
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Jie Chen, Hailin Liu, Bin Lv, Chao Liu, Xiaonan Zhang, Hui Li, Lin Cao and Junhe Wan
An extensible remote monitoring system for a seafloor observatory network in Laizhou Bay was established to realize long-term, continuous and on-line monitoring for a marine ranching environment. This paper deals with data communication, device managemen...
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Xingyu Zhou, Feida Jia and Xiangyu Li
Long-term configuration stability is essential for a space-based gravitational-wave observatory, which can be affected by orbit insertion errors. This paper investigated the stability of a geocentric gravitational-wave observatory from the view of the co...
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Lee W. Cooper and Jacqueline M. Grebmeier
Declines in seasonal sea ice in polar regions have stimulated projections of how primary production has shifted in response to greater light penetration over a longer open water season. Despite the limitations of remotely sensed observations in an often ...
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Hans Theodor Josef Steiger
The Taishan Antineutrino Observatory (TAO or JUNO-TAO) is a satellite detector for the Jiangmen Underground Neutrino Observatory (JUNO). JUNO aims at simultaneously probing the two main frequencies of three-flavor neutrino oscillations, as well as their ...
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Beatrice Jelmini
The Jiangmen Underground Neutrino Observatory (JUNO) is a multipurpose experiment under construction in southern China; detector completion is expected in 2023. JUNO is a homogeneous calorimeter consisting of a target mass of 20 kt of an organic liquid s...
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Manjula Lingala, Phani Chandrasekhar Nelapatla and Kusumita Arora
Continuous time series data from geomagnetic observatories are increasingly contaminated by anthropogenic noise related to developing socio-economic activities. More and more sophisticated techniques of data processing are used to eliminate this noise; n...
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Florian Amann, Francesca Badaracco, Riccardo DeSalvo, Luca Naticchioni, Andrea Paoli, Luca Paoli, Paolo Ruggi and Stefano Selleri
The Einstein Telescope will be a gravitational wave observatory comprising six nested detectors, three optimized to collect low-frequency signals, and three for high frequency. It will be built a few hundred meters under Earth?s surface to reduce direct ...
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Victor Getmanov, Roman Sidorov and Alexei Gvishiani
This article describes a method for recognizing sudden commencement events using digital differentiating filters. This method is applied to INTERMAGNET observatory data. Maximum amplitude derivatives for the magnetic components (X, Y, Z) and the total in...
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Peberlin Parulian Sitompul, Timbul Manik, Mario Batubara and Bambang Suhandi
We report on the measurements of radio frequency interference (RFI) at Mount Timau, Kupang, Indonesia, which is intended to host a future radio astronomy observatory. These measurements were taken twice in October 2020 and December 2020 to obtain the RFI...
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Jingyang Qiao, Wu Liu, Jingquan Liu and Jianping Zhou
Seafloor observatories can provide long-term, real-time submarine monitoring data, which has great significance for the study of major scientific technology in marine science, especially in the seafloor earthquake observation. The chained submarine data ...
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Yang Yu, Huiping Xu and Changwei Xu
Seafloor observatories enable long-term, real-time, and continuous observation that marks a new way for oceanographic measurements. In terms of seafloor observatory research, sensor control is a key issue for the stable and effective operations of functi...
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Simona Saviano, Daniela Cianelli, Enrico Zambianchi, Fabio Conversano and Marco Uttieri
Surface gravity waves retrieved by a network of HF (High Frequency) radars and measured in situ by an ADCP (Acoustic Doppler Current Profiler) current meter connected to an elastic beacon were used to carry out a multiple-year characterization of the wav...
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