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Low Gain Avalanche Detectors(LGADs) is one of the candidate sensing technologies for future 4D-tracking applications and recently have been qualified to be used in the ATLAS and CMS timing detectors for the CERN High Luminosity Large Hadron…

Instrumentation and Detectors · Physics 2022-04-06 Esteban Currás , Marcos Fernández , Michael Moll

Anomaly detection in multivariate time series (MTS) is hindered by dynamic inter-variable dependencies and feature entanglement under spectral noise, and in practice, is further complicated by the absence of anomaly labels. Existing…

Machine Learning · Computer Science 2026-05-25 Yunhua Pei , Zixing Song , Jin Zheng , John Cartlidge

We formulate the data analysis problem for the detection of the Newtonian coalescing-binary signal by a network of laser interferometric gravitational wave detectors that have arbitrary orientations, but are located at the same site. We use…

General Relativity and Quantum Cosmology · Physics 2009-07-09 Sukanta Bose , Sanjeev V. Dhurandhar , Archana Pai

Due to its time-varying nature, oscillator phase noise can significantly degrade the performance of channel estimation, carrier recovery, and data detection blocks in high-speed wireless communication systems. In this paper, we analyze…

Information Theory · Computer Science 2013-10-01 Rui Wang , Hani Mehrpouyan , Meixia Tao , Yingbo Hua

Despite the remarkable success, recent reconstruction-based anomaly detection (AD) methods via diffusion modeling still involve fine-grained noise-strength tuning and computationally expensive multi-step denoising, leading to a fundamental…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Shunsuke Sakai , Xiangteng He , Chunzhi Gu , Leonid Sigal , Tatsuhito Hasegawa

In this paper, we consider a passive radar system that estimates the positions and velocities of multiple moving targets by using OFDM signals transmitted by a totally un-coordinated and un-synchronizated illuminator and multiple receivers.…

Information Theory · Computer Science 2019-07-01 Yinchuan Li , Xiaodong Wang , Zegang Ding

The 3D Average Precision (3D AP) relies on the intersection over union between predictions and ground truth objects. However, camera-only detectors have limited depth accuracy, which may cause otherwise reasonable predictions that suffer…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Wei-Chih Hung , Vincent Casser , Henrik Kretzschmar , Jyh-Jing Hwang , Dragomir Anguelov

We determine a fundamental upper bound on the performance of any adaptive protocol for discrimination or estimation of a channel which has an unknown parameter encoded in the state of its environment. Since our approach relies on the…

Quantum Physics · Physics 2016-11-29 Masahiro Takeoka , Mark M. Wilde

An optimal estimation inverse method is presented which can be used to retrieve simultaneously vertical profiles of temperature and specific humidity, in addition to surface pressure, from satellite-to-satellite radio occultation…

Atmospheric and Oceanic Physics · Physics 2015-06-26 Paul I. Palmer , J. J. Barnett , J. R. Eyre , S. B. Healy

Calibration errors in the response function of a gravitational wave detector degrade its ability to detect and then to measure the properties of any detected signals. This paper derives the needed levels of calibration accuracy for each of…

General Relativity and Quantum Cosmology · Physics 2015-05-13 Lee Lindblom

This paper focuses on the non-coherent detection in ambient backscatter communication, which is highly appealing for systems where the trade-off between signaling overhead and the actual data transmission is very critical. Modeling the…

Information Theory · Computer Science 2021-04-28 J. Kartheek Devineni , Harpreet S. Dhillon

This paper addresses the standard generalized likelihood ratio test (GLRT) detection problem of weak signals in background noise. In so doing, we consider a nonfluctuating target embedded in complex white Gaussian noise (CWGN), in which the…

Signal Processing · Electrical Eng. & Systems 2021-07-12 Fernando Darío Almeida García , Marco Antonio Miguel Miranda , José Cândido Silveira Santos Filho

The general problem of computing the false-alarm rate vs. detection-threshold relationship for a bank of correlators is addressed, in the context of maximum-likelihood detection of gravitational waves, with specific reference to chirps from…

General Relativity and Quantum Cosmology · Physics 2009-11-10 R. P. Croce , Th. Demma , M. Longo , S. Marano , V. Matta , V. Pierro , I. M. Pinto

Large dynamic range room temperature photon number resolving (PNR) detectors can be very useful for measuring very low light intensities and for analyzing multiphoton quantum states. In this paper we present a PNR detector based on the…

Quantum Physics · Physics 2015-05-18 Enrico Pomarico , Bruno Sanguinetti , Rob Thew , Hugo Zbinden

Precise measurements in optical and atomic systems often rely on differential interferometry. This method allows to handle large and correlated phase noise contributions -- such as environmental vibrations, thermal fluctuations, or…

Quantum Physics · Physics 2025-03-25 Luca Pezzè , Andrea Santoni , Chiara Mazzinghi , Marco Fattori , Augusto Smerzi

In this paper we investigate the optimal latency of communications. Focusing on fixed rate communication without any feedback channel, this paper encompasses low-latency strategies with which one hop and multi-hop communication issues are…

Information Theory · Computer Science 2017-01-05 Minh Au , Francois Gagnon

Accurate orientation estimation of objects can aid in scene understanding in many applications. In this paper, we consider use cases where passive tags could be deployed to assist radar systems in estimating object orientation. Towards that…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Onel L. A. López , Zhu Han , Ashutosh Sabharwal

Average precision (AP) is a widely used metric to evaluate detection accuracy of image and video object detectors. In this paper, we analyze object detection from videos and point out that AP alone is not sufficient to capture the temporal…

Computer Vision and Pattern Recognition · Computer Science 2019-11-11 Huizi Mao , Xiaodong Yang , William J. Dally

Over the past decade, optical orbital angular momentum (OAM) modes were shown to offer advantages in optical information acquisition. Here, we introduce a new scheme for optical ranging in which depth is estimated through the angular…

In this paper, an optimized detection based on log-maximum a posteriori estimation with the fixed number of surviving states (fixed-state Log-MAP) is proposed to cooperate with equalizers to deal with the spectral distortions caused by…

Signal Processing · Electrical Eng. & Systems 2021-01-12 Shuangyue Liu , Ji Zhou , Haide Wang , Mengqi Guo , Yueming Lu , Yaojun Qiao
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