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Numerical simulations are at the center of predicting the space debris environment of the upcoming decades. In light of debris generating events, such as continued anti-satellite weapon tests and planned mega-constellations, accurate…

地球与行星天体物理 · 物理学 2022-03-15 Pablo Gómez , Fabio Gratl , Oliver Bösing , Dario Izzo

Time-calibrated species phylogenies are critical for addressing a wide range of questions in evolutionary biology, such as those that elucidate historical biogeography or uncover patterns of coevolution and diversification. Because…

种群与进化 · 定量生物学 2014-07-11 Tracy A. Heath , John P. Huelsenbeck , Tanja Stadler

The vertical distribution of suspended sediment concentration (SSC) remains a subject of active research given its relevance to a plethora of problems in hydraulics, hydrology, ecology, and water quality control. Much of the classical…

流体动力学 · 物理学 2022-09-13 Shuolin Li , Andrew D Bragg , Gabriel Katul

Carbon Capture and Storage (CCS) stands as a pivotal technology for fostering a sustainable future. The process, which involves injecting supercritical CO$_2$ into underground formations, a method already widely used for Enhanced Oil…

机器学习 · 计算机科学 2026-05-05 Sofianos Panagiotis Fotias , Vassilis Gaganis

We present timing solutions and spin properties of the young pulsar PSR B0540-69 from analysis of 15.8 yr of data from the Rossi X-Ray Timing Explorer. We perform a partially phase-coherent timing analysis in order to mitigate the…

太阳与恒星天体物理 · 物理学 2015-10-21 Robert D. Ferdman , Robert F. Archibald , Victoria M. Kaspi

The energy spectra of primary and secondary cosmic rays (CR) generally harden at several hundreds of GeV, which can be naturally interpreted by propagation effects. We adopt a spatially dependent CR propagation model to fit the spectral…

高能天体物理现象 · 物理学 2022-06-22 Meng-Jie Zhao , Kun Fang , Xiao-Jun Bi

Remote sensors are becoming the standard for observing and recording ecological data in the field. Such sensors can record data at fine temporal resolutions, and they can operate under extreme conditions prohibitive to human access.…

人工智能 · 计算机科学 2012-06-26 Ethan W. Dereszynski , Thomas G. Dietterich

Conversational recommender systems (CRSs) aim to provide recommendation services via natural language conversations. Although a number of approaches have been proposed for developing capable CRSs, they typically rely on sufficient training…

计算与语言 · 计算机科学 2024-06-21 Xiaolei Wang , Kun Zhou , Xinyu Tang , Wayne Xin Zhao , Fan Pan , Zhao Cao , Ji-Rong Wen

We present Bayesian Binary Search (BBS), a novel probabilistic variant of the classical binary search/bisection algorithm. BBS leverages machine learning/statistical techniques to estimate the probability density of the search space and…

机器学习 · 计算机科学 2024-10-03 Vikash Singh , Matthew Khanzadeh , Vincent Davis , Harrison Rush , Emanuele Rossi , Jesse Shrader , Pietro Lio

The sedimentation process of granular materials exists ubiquitously in nature and many fields which involve the solid-liquid separation. This paper employs the coupled computational fluid dynamics and discrete element method (CFD-DEM) to…

流体动力学 · 物理学 2017-11-07 Shan-Lin Xu , Rui Sun , Yuan-Qiang Cai , Hong-Lei Sun

The Commensal Radio Astronomy Five-hundred-meter Aperture Spherical radio Telescope (FAST) Survey (CRAFTS) utilizes the novel drift-scan commensal survey mode of FAST and can generate billions of pulsar candidate signals. The human experts…

An adaptive kernel method in the Bayesian framework together with a new simulation program for Rutherford backscattering spectroscopy (RBS) have been applied to the analysis of RBS data. Even in the case of strongly overlapping RBS peaks a…

数据分析、统计与概率 · 物理学 2007-05-23 U. V. Toussaint , K. Krieger , R. Fischer , V. Dose

Responsive Survey Design (RSD) aims to increase the efficiency of survey data collection via live monitoring of paradata and the introduction of protocol changes when survey errors and increased costs seem imminent. Daily predictions of…

统计方法学 · 统计学 2021-03-18 Brady T. West , James Wagner , Stephanie Coffey , Michael R. Elliott

We use approximate Bayesian computation (ABC) to estimate unknown parameter values, as well as their uncertainties, in Reynolds-averaged Navier-Stokes (RANS) simulations of turbulent flows. The ABC method approximates posterior…

流体动力学 · 物理学 2020-11-04 Olga A. Doronina , Scott M. Murman , Peter E. Hamlington

Context{The high energy emission regions of rotation powered pulsars are studied using folded light curve (FLCs) and phase resolved spectra (PRS).} aims{This work uses the NICER observatory to obtain the highest resolution FLC and PRS of…

高能天体物理现象 · 物理学 2021-06-04 M. Vivekanand

The amount of data coming from different sources such as IoT-sensors, social networks, cellular networks, has increased exponentially during the last few years. Probabilistic Data Structures (PDS) are efficient alternatives to deterministic…

数据结构与算法 · 计算机科学 2022-11-02 Remy Scholler , Jean-Francois Couchot , Oumaima Alaoui-Ismaili , Denis Renaud , Eric Ballot

Estimating divergence times from molecular sequence data is central to reconstructing the evolutionary history of lineages. Although Bayesian relaxed-clock methods provide a principled framework for incorporating fossil information, their…

定量方法 · 定量生物学 2025-12-03 Gregory M Ellison , Liang Liu

Time-dependent deformation, particularly creep, in high-temperature alloys such as Inconel 625 is a key factor in the long-term reliability of components used in aerospace and energy systems. Although Inconel 625 shows excellent creep…

机器学习 · 计算机科学 2025-12-22 Shubham Das , Kaushal Singhania , Amit Sadhu , Suprabhat Das , Arghya Nandi

Aims. Asteroseismic radius and Gaia distance (ARD) method has been proposed to establish the SBCRs for late-type stars. Methods. We select Kepler RGB stars with high-precision asteroseismic radii (uncertainties < 1%) and cross-match them…

太阳与恒星天体物理 · 物理学 2025-05-07 Jianping Xiong , Qiyuan Cheng , Xiaodian Chen , Jiao Li , Xiaobin Zhang , Zhanwen Han , Xuefei Chen

Flux calibration of spectra in reverberation mapping (RM) is most often performed by assuming the flux constancy of some specified narrow emission lines, which stem from an extended region that is sometimes partially spatially resolved, in…

天体物理仪器与方法 · 物理学 2015-06-19 Yan-Rong Li , Jian-Min Wang , Chen Hu , Pu Du , Jin-Ming Bai