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Many standard structural quantities, such as order parameters and correlation functions, exist for common condensed matter systems, such as spherical and rod-like particles. However, these structural quantities are often insufficient for…

软凝聚态物质 · 物理学 2012-01-18 Aaron S. Keys , Christopher R. Iacovella , Sharon C. Glotzer

We investigate whether neighbor-density-weighted marked correlation functions (MCFs) can extract cosmological information beyond the standard redshift-space two-point correlation function (2PCF). Using the Kun suite of 129 $w_0w_a$CDM$+\sum…

宇宙学与河外天体物理 · 物理学 2026-05-25 Xu Xiao , Xiao-Dong Li , Yiqi Huang , Le Zhang

For low-frequency radio astronomy, software correlation and beamforming on general purpose hardware is a viable alternative to custom designed hardware. LOFAR, a new-generation radio telescope centered in the Netherlands with international…

We introduce a conditional Generative Adversarial Network (cGAN) approach to generate cloud reflectance fields (CRFs) conditioned on large scale meteorological variables such as sea surface temperature and relative humidity. We show that…

大气与海洋物理 · 物理学 2020-04-16 Victor Schmidt , Mustafa Alghali , Kris Sankaran , Tianle Yuan , Yoshua Bengio

The radio astronomy community is currently building a number of phased array telescopes. The calibration of these telescopes is hampered by the fact that covariances of signals from closely spaced antennas are sensitive to noise coupling…

天体物理仪器与方法 · 物理学 2010-03-15 Stefan J. Wijnholds , Alle-Jan van der Veen

Classifier-Free Guidance (CFG) enhances the quality and condition adherence of text-to-image diffusion models. It operates by combining the conditional and unconditional predictions using a fixed weight. However, recent works vary the…

计算机视觉与模式识别 · 计算机科学 2025-01-23 Xi Wang , Nicolas Dufour , Nefeli Andreou , Marie-Paule Cani , Victoria Fernandez Abrevaya , David Picard , Vicky Kalogeiton

Astronomic line mapping with single-pixel instruments is usually performed in an on-the-fly (OTF) or a raster-mapping mode depending on the capabilities of the telescope and the instrument. The observing efficiency can be increased by…

天体物理仪器与方法 · 物理学 2009-11-13 V. Ossenkopf

Time-frequency representations (TFRs) of signals, such as the windowed Fourier transform (WFT), wavelet transform (WT) and their synchrosqueezed variants (SWFT, SWT), provide powerful analysis tools. However, there are many important issues…

数值分析 · 数学 2014-05-27 Dmytro Iatsenko , Peter V. E. McClintock , Aneta Stefanovska

This document describes a couple of tools that help to quickly design and develop computer (formalized) languages. The first one use Flex to perform lexical analysis and the second is an extention of Prolog DCGs to perfom syntactical…

软件工程 · 计算机科学 2007-05-23 Thierry Despeyroux

Attribute-aware CF models aims at rating prediction given not only the historical rating from users to items, but also the information associated with users (e.g. age), items (e.g. price), or even ratings (e.g. rating time). This paper…

信息检索 · 计算机科学 2018-10-23 Wen-Hao Chen , Chin-Chi Hsu , Yi-An Lai , Vincent Liu , Mi-Yen Yeh , Shou-De Lin

SESAR is supposed to boost the development of new operational procedures together with the supporting systems in order to modernize the pan-European air traffic management (ATM). One consequence of this development is that more and more…

软件工程 · 计算机科学 2013-04-25 Felix Schmitt , Ralf Heidger , Stephen Straub , Benjamin Weiß

Embedded software is growing fast in size and complexity, leading to intimate mixture of complex architectures and complex control. Consequently, software specification requires modeling both structures and behaviour of systems.…

A novel joint symbol timing and carrier frequency offset (CFO) estimation algorithm is proposed for reduced-guard-interval coherent optical orthogonal frequency-division multiplexing (RGI-CO-OFDM) systems. The proposed algorithm is based on…

信号处理 · 电气工程与系统科学 2018-01-08 Oluyemi Omomukuyo , Deyuan Chang , Jingwen Zhu , Octavia Dobre , Ramachandran Venkatesan , Telex Ngatched , Chuck Rumbolt

This literature focuses on doing a comparative analysis between Modular Audio Recognition Framework (MARF) and the General Intentional Programming System (GIPSY) with the help of different software metrics. At first, we understand the…

Correlative computational microscopy can accelerate imaging and modeling of cellular dynamics by relaxing trade-offs inherent to dynamic imaging. Existing computational microscopy frameworks are either specialized or overly generic,…

Linear, time-varying (LTV) systems composed of time shifts, frequency shifts, and complex amplitude scalings are operators that act on continuous finite-energy waveforms. This paper presents a novel, resource-efficient method for…

信息论 · 计算机科学 2015-06-23 Andrew Harms , Waheed U. Bajwa , Robert Calderbank

We present CageDroneRF (CDRF), a large-scale benchmark for Radio-Frequency (RF) drone detection and identification built from real-world captures and systematically generated synthetic variants. CDRF addresses the scarcity and limited…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Mohammad Rostami , Atik Faysal , Hongtao Xia , Hadi Kasasbeh , Ziang Gao , Huaxia Wang

Quantification is the machine learning task of estimating test-data class proportions that are not necessarily similar to those in training. Apart from its intrinsic value as an aggregate statistic, quantification output can also be used to…

机器学习 · 计算机科学 2016-06-06 Aykut Firat

A virtual multiple-input multiple-output (MIMO) wireless system using the receiver-side cooperation with the compress-and-forward (CF) protocol, is an alternative to a point-to-point MIMO system, when a single receiver is not equipped with…

信息论 · 计算机科学 2013-02-11 Jing Jiang , John S. Thompson , Hongjian Sun , Peter M. Grant

We present a computational framework for analyzing and quantifying system flexibility. Our framework incorporates new features that include: general uncertainty characterizations that are constructed using composition of sets, procedures…

最优化与控制 · 数学 2021-06-25 Joshua L. Pulsipher , Daniel Rios , Victor M. Zavala