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We analyze the signal processing required for the optimal detection of a stochastic background of gravitational radiation using laser interferometric detectors. Starting with basic assumptions about the statistical properties of a…

广义相对论与量子宇宙学 · 物理学 2009-12-30 Bruce Allen , Joseph D. Romano

In this paper, we present a two-layer architecture for bearing-only sensor placement that improves upon classical D-optimal design. The first layer reweights particles by minimizing Kullback-Leibler divergence from the current distribution…

信号处理 · 电气工程与系统科学 2026-05-13 Raktim Bhattacharya

To determine the precise positions of stars in CCD frames, various centering algorithms have been proposed for astrometry. The effective point spread function (ePSF) and the Gaussian centering algorithms are two representative centering…

天体物理仪器与方法 · 物理学 2021-12-28 F. R. Lin , Q. Y. Peng , Z. J. Zheng , B. F. Guo , Y. J. Shang

We consider a wireless sensor network consisting of multiple nodes that are coordinated by a fusion center (FC) in order to estimate a common signal of interest. In addition to being coordinated, the sensors are also able to collaborate,…

信息论 · 计算机科学 2012-10-15 Swarnendu Kar , Pramod K. Varshney

Modern autonomous vehicles and robots utilize versatile sensors for localization and mapping. The fidelity of these maps is paramount, as an accurate environmental representation is a prerequisite for stable and precise localization. Factor…

机器人学 · 计算机科学 2026-02-10 Mark Griguletskii , Danil Belov , Pavel Osinenko

Extensive research has been conducted on assessing grasp stability, a crucial prerequisite for achieving optimal grasping strategies, including the minimum force grasping policy. However, existing works employ basic feature-level fusion…

机器人学 · 计算机科学 2023-08-03 Zhuangzhuang Zhang , Zhenning Zhou , Haili Wang , Zhinan Zhang , Huang Huang , Qixin Cao

The problem of estimating the shift (or, equivalently, the center of symmetry) of an unknown symmetric and periodic function $f$ observed in Gaussian white noise is considered. Using the blockwise Stein method, a penalized profile…

统计理论 · 数学 2007-06-13 Arnak Dalalyan

To evidence multimode spatial entanglement of spontaneous down-conversion, detector arrays allow a full field measurement, without any a priori selection of the paired photons. We show by comparing results of the recent literature that…

量子物理 · 物理学 2014-12-10 Eric Lantz , Paul-Antoine Moreau , Fabrice Devaux

The synchronization problem over the special orthogonal group $SO(d)$ consists of estimating a set of unknown rotations $R_1,R_2,...,R_n$ from noisy measurements of a subset of their pairwise ratios $R_{i}^{-1}R_{j}$. The problem has found…

信息论 · 计算机科学 2013-07-17 Lanhui Wang , Amit Singer

We consider a Neyman-Pearson (NP) distributed binary detection problem in a bandwidth constrained wireless sensor network, where the fusion center (FC) is responsible for fusing signals received from sensors and making a final decision…

信号处理 · 电气工程与系统科学 2019-06-18 Nahal Maleki , Azadeh Vosoughi

We introduce a new normalization technique that exhibits the fast convergence properties of batch normalization using a transformation of layer weights instead of layer outputs. The proposed technique keeps the contribution of positive and…

机器学习 · 计算机科学 2019-05-13 Aaron Defazio , Léon Bottou

This paper focuses on static source localization employing different combinations of measurements, including time-difference-of-arrival (TDOA), received-signal-strength (RSS), angle-of-arrival (AOA), and time-of-arrival (TOA) measurements.…

信号处理 · 电气工程与系统科学 2025-04-10 Kang Tang , Sheng Xu , Yuqi Yang , He Kong , Yongsheng Ma

We present a method to characterize the noise in ground-based gravitational-wave observatories such as the Laser Gravitational-Wave Observatory (LIGO). This method uses linear regression algorithms such as the least absolute shrinkage and…

天体物理仪器与方法 · 物理学 2022-12-21 Guillermo Valdes , Adam Hines , Andrea Nelson , Yanqi Zhang , Felipe Guzman

Star trackers are one of the most accurate celestial sensors used for absolute attitude determination. The devices detect stars in captured images and accurately compute their projected centroids on an imaging focal plane with subpixel…

计算机视觉与模式识别 · 计算机科学 2025-03-10 Hongrui Zhao , Michael F. Lembeck , Adrian Zhuang , Riya Shah , Jesse Wei

Localisation tasks in biomedical data often require models to learn meaningful spatial or temporal relationships from signals with complex intensity distributions. A common strategy, exemplified by CoordConv layers, is to append coordinate…

计算机视觉与模式识别 · 计算机科学 2025-11-06 Vittal L. Rao

Sensorless control of Permanent-Magnet Synchronous Motors at low velocity remains a challenging task. A now well-established method consists in injecting a high-frequency signal and use the rotor saliency, both geometric and…

最优化与控制 · 数学 2012-03-27 Al Kassem Jebai , François Malrait , Philippe Martin , Pierre Rouchon

The method of location and spectral estimation of weak signals on a noise background is being considered. The method is based on the optimized on order and noise dispersion autoregressive model of a sought signal. A new approach of model…

计算工程、金融与科学 · 计算机科学 2007-07-03 Yu. Bunyak , O. Bunyak

Modern wireless networks face critical challenges when mobile users traverse heterogeneous network configurations with varying antenna layouts, carrier frequencies, and scattering statistics. Traditional predictors degrade under…

分布式、并行与集群计算 · 计算机科学 2025-09-19 Muhammad Ahmed Mohsin , Muhammad Umer , Ahsan Bilal , Muhammad Ibtsaam Qadir , Muhammad Ali Jamshed , Dean F. Hougen , John M. Cioffi

Sodium Laser Guide Stars (LGSs) are elongated sources due to the thickness and the finite distance of the sodium layer. The fluctuations of the sodium layer altitude and atom density profile induce errors on centroid measurements of…

天体物理仪器与方法 · 物理学 2015-05-13 Olivier Lardiere , Rodolphe Conan , Colin Bradley , Kate Jackson , Peter Hampton

The innovative agriculture system is revolutionizing how we farm, making it one of the most critical innovations of our time! Yet it faces significant connectivity challenges, particularly with the sensors that power this technology. An…

系统与控制 · 电气工程与系统科学 2025-12-18 Mohamed Naeem