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Several passive microwave satellites orbit the Earth and measure rainfall. These measurements have the advantage of almost full global coverage when compared to surface rain gauges. However, these satellites have low temporal revisit and…

计算机视觉与模式识别 · 计算机科学 2013-04-12 Seyed Hamed Alemohammad , Dara Entekhabi

In this paper, we propose a Light Gradient Boosting (LightGBM) to forecast dominant wave periods in oceanic waters. First, we use the data collected from CDIP buoys and apply various data filtering methods. The data filtering methods allow…

大气与海洋物理 · 物理学 2021-07-15 Pujan Pokhrel

Methodical aerial population surveys monitoring critically endangered species in Canadian North Atlantic waters are instrumental in influencing government policies both in economic and conservational efforts. The primary factor hindering…

信号处理 · 电气工程与系统科学 2023-05-18 Joshua Power , Derek Jacoby , Marc-Antoine Drouin , Guillaume Durand , Yvonne Coady , Julian Meng

Interferometric measurements of optical path length differences of stars over large baselines can deliver extremely accurate astrometric data. The interferometer GRAVITY will simultaneously measure two objects in the field of view of the…

The Laser Interferometer Space Antenna (LISA), which is currently under construction, is designed to measure gravitational wave signals in the milli-Hertz frequency band. It is expected that tens of millions of Galactic binaries will be the…

天体物理仪器与方法 · 物理学 2022-10-12 Stefan H. Strub , Luigi Ferraioli , Cedric Schmelzbach , Simon C. Stähler , Domenico Giardini

The ability to measure nanoradian polarization rotations, $\theta_F$, in the photon shot noise limit is investigated for partially crossed polarizers (PCP), a static Sagnac interferometer and an optical bridge, each of which can in…

This study employs a neural network that represents the solution to a Schr\"odinger bridge problem to perform super-resolution of 2-m temperature in an urban area. Schr\"odinger bridges generally describe transformations between two data…

大气与海洋物理 · 物理学 2025-12-15 Yuki Yasuda , Ryo Onishi

The new generation of high-resolution broad-band radio telescopes, like the Low Frequency Array (LOFAR), produces, depending on the level of compression, between 1 to 10 TB of data per hour after correlation. Such a large amount of…

In this paper, we develop an efficient method to evaluate the temporal exceeding probability of ship motion (percentage of time for the ship motion to be above a given high threshold) in an irregular wave field. Our method builds on our…

流体动力学 · 物理学 2025-08-29 Shayesteh Hafezi , Xianliang Gong , Yulin Pan

In this paper we describe the performance of the WaveBurst algorithm which was designed for detection of gravitational wave bursts in interferometric data. The performance of the algorithm was evaluated on the test data set collected during…

广义相对论与量子宇宙学 · 物理学 2009-09-29 S Klimenko , I Yakushin , M Rakhmanov , G Mitselmakher

Currently, HOPS and AIPS are the primary choices for the time-consuming process of (millimeter) Very Long Baseline Interferometry (VLBI) data calibration. However, for a full end-to-end pipeline, they either lack the ability to perform…

天体物理仪器与方法 · 物理学 2022-06-29 M. Janssen , C. Goddi , H. Falcke , D. van Rossum , I. van Bemmel , M. Kettenis , D. Small , I. Martí-Vidal

The knowledge gap in the expected and actual conditions of bridges has created worldwide deficits in infrastructure service and funding challenges. Despite rapid advances over the past four decades, sensing technology is still not a part of…

The Laser Interferometer Space Antenna (LISA) is a planned space-based gravitational wave telescope with the goal of measuring gravitational waves in the milli-Hertz frequency band, which is dominated by millions of Galactic binaries. While…

天体物理仪器与方法 · 物理学 2023-07-11 Stefan H. Strub , Luigi Ferraioli , Cédric Schmelzbach , Simon C. Stähler , Domenico Giardini

We report the experimental setup and overall results of the AARTFAAC wide-field radio survey, which consists of observing the sky within 50$^\circ$ of Zenith, with a bandwidth of 3.2$\,$MHz, at a cadence of 1$\,$s, for 545$\,$h. This…

Low Earth Orbit (LEO) satellite networks are emerging as an essential communication infrastructure, with standardized 5G-based non-terrestrial networks and their integration with terrestrial systems envisioned as a key feature of 6G.…

网络与互联网体系结构 · 计算机科学 2026-01-14 Andreas Casparsen , Jonas Ellegaard Jakobsen , Jimmy Jessen Nielsen , Petar Popovski , Israel Leyva Mayorga

FRAM - F/(Ph)otometric Robotic Atmospheric Monitor is the latest addition to the atmospheric monitoring instruments of the Pierre Auger Observatory. An optical telescope equipped with CCD camera and photometer, it automatically observes a…

Technical description of the new project called All Sky Automated Survey and results of the tests of our prototype instrument are presented. The ultimate goal of this project is photometric monitoring of the large area of the sky with fully…

天体物理学 · 物理学 2007-05-23 G. Pojmanski

Pan-STARRS1 has carried out a set of distinct synoptic imaging sky surveys including the $3\pi$ Steradian Survey and the Medium Deep Survey in 5 bands ($grizy_{P1}$). The mean 5$\sigma$ point source limiting sensitivities in the stacked…

天体物理仪器与方法 · 物理学 2019-01-31 K. C. Chambers , E. A. Magnier , N. Metcalfe , H. A. Flewelling , M. E. Huber , C. Z. Waters , L. Denneau , P. W. Draper , D. Farrow , D. P. Finkbeiner , C. Holmberg , J. Koppenhoefer , P. A. Price , A. Rest , R. P. Saglia , E. F. Schlafly , S. J. Smartt , W. Sweeney , R. J. Wainscoat , W. S. Burgett , S. Chastel , T. Grav , J. N. Heasley , K. W. Hodapp , R. Jedicke , N. Kaiser , R. -P. Kudritzki , G. A. Luppino , R. H. Lupton , D. G. Monet , J. S. Morgan , P. M. Onaka , B. Shiao , C. W. Stubbs , J. L. Tonry , R. White , E. Bañados , E. F. Bell , R. Bender , E. J. Bernard , M. Boegner , F. Boffi , M. T. Botticella , A. Calamida , S. Casertano , W. -P. Chen , X. Chen , S. Cole , N. Deacon , C. Frenk , A. Fitzsimmons , S. Gezari , V. Gibbs , C. Goessl , T. Goggia , R. Gourgue , B. Goldman , P. Grant , E. K. Grebel , N. C. Hambly , G. Hasinger , A. F. Heavens , T. M. Heckman , R. Henderson , T. Henning , M. Holman , U. Hopp , W. -H. Ip , S. Isani , M. Jackson , C. D. Keyes , A. M. Koekemoer , R. Kotak , D. Le , D. Liska , K. S. Long , J. R. Lucey , M. Liu , N. F. Martin , G. Masci , B. McLean , E. Mindel , P. Misra , E. Morganson , D. N. A. Murphy , A. Obaika , G. Narayan , M. A. Nieto-Santisteban , P. Norberg , J. A. Peacock , E. A. Pier , M. Postman , N. Primak , C. Rae , A. Rai , A. Riess , A. Riffeser , H. W. Rix , S. Röser , R. Russel , L. Rutz , E. Schilbach , A. S. B. Schultz , D. Scolnic , L. Strolger , A. Szalay , S. Seitz , E. Small , K. W. Smith , D. R. Soderblom , P. Taylor , R. Thomson , A. N. Taylor , A. R. Thakar , J. Thiel , D. Thilker , D. Unger , Y. Urata , J. Valenti , J. Wagner , T. Walder , F. Walter , S. P. Watters , S. Werner , W. M. Wood-Vasey , R. Wyse

This work presents a new approach for detection and exclusion (or de-weighting) of pseudo-range measurements from the Global Navigation Satellite System (GNSS) in order to improve the accuracy of single-epoch positioning, which is an…

信号处理 · 电气工程与系统科学 2023-06-12 Ibrahim Sbeity , Christophe Villien , Christophe Combettes , Benoît Denis , E Veronica Belmega , Marwa Chafii

As cyber-attacks against critical infrastructure become more frequent, it is increasingly important to be able to rapidly identify and respond to these threats. This work investigates two independent systems with overlapping electrical…

密码学与安全 · 计算机科学 2022-01-10 Sina Sontowski , Nigel Lawrence , Deepjyoti Deka , Maanak Gupta