中文
相关论文

相关论文: An Error-Based Approximation Sensing Circuit for E…

200 篇论文

Event-driven sensors, which produce data only when there is a change in the input signal, are increasingly used in applications that require low-latency and low-power real-time sensing, such as robotics and edge devices. To fully achieve…

信号处理 · 电气工程与系统科学 2025-02-04 Hugh Greatorex , Michele Mastella , Ole Richter , Madison Cotteret , Willian Soares Girão , Ella Janotte , Elisabetta Chicca

This paper considers the massive connectivity problem in an asynchronous grant-free random access system, where a huge number of devices sporadically transmit data to a base station (BS) with imperfect synchronization. The goal is to design…

信息论 · 计算机科学 2021-01-05 Weifeng Zhu , Meixia Tao , Xiaojun Yuan , Yunfeng Guan

A wireless sensing architecture via pinching antenna systems is proposed. Compared to conventional wireless systems, PASS offers flexible antenna deployment and improved probing performance for wireless sensing by leveraging dielectric…

信号处理 · 电气工程与系统科学 2025-05-22 Zhaolin Wang , Chongjun Ouyang , Yuanwei Liu , Arumugam Nallanathan

Radar systems typically employ well-designed deterministic signals for target sensing. In contrast to that, integrated sensing and communications (ISAC) systems have to use random signals to convey useful information, potentially causing…

信号处理 · 电气工程与系统科学 2024-01-17 Shihang Lu , Fan Liu , Fuwang Dong , Yifeng Xiong , Jie Xu , Ya-Feng Liu

High-bandwidth signals are needed in many applications like radar, sensing, measurement and communications. Especially in optical networks, the sampling rate and analog bandwidth of digital-to-analog converters (DACs) is a bottleneck for…

信号处理 · 电气工程与系统科学 2023-06-09 Mohamed I. Hosni , Janosch Meier , Younus Mandalawi , Karanveer Singh , Paulomi Mandal , Ahmed H. Elghandour , Thomas Schneider

Event-based camera is a bio-inspired vision sensor that records intensity changes (called event) asynchronously in each pixel. As an instance of event-based camera, Dynamic and Active-pixel Vision Sensor (DAVIS) combines a standard camera…

计算机视觉与模式识别 · 计算机科学 2019-04-29 Yuhu Guo , Han Xiao , Yidong Chen , Xiaodong Shi

Pinching-antenna systems (PASS) improve wireless links by configuring the locations of activated pinching antennas along dielectric waveguides, namely pinching beamforming. In this paper, a novel adjustable power radiation model is proposed…

信号处理 · 电气工程与系统科学 2025-10-02 Xiaoxia Xu , Xidong Mu , Zhaolin Wang , Yuanwei Liu , Arumugam Nallanathan

This paper presents a dynamic predictive sampling (DPS) based analog-to-digital converter (ADC) that provides a non-uniform sampling of input analog continuous-time signals. The processing unit generates a dynamic prediction of the input…

信号处理 · 电气工程与系统科学 2022-11-21 Xiaochen Tang , Mario Renteria-Pinon , Wei Tang

Scene-aware Adaptive Compressive Sensing (ACS) has attracted significant interest due to its promising capability for efficient and high-fidelity acquisition of scene images. ACS typically prescribes adaptive sampling allocation (ASA) based…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Zhifu Tian , Tao Hu , Chaoyang Niu , Di Wu , Shu Wang

This work considers distributed sensing and transmission of sporadic random samples. Lower bounds are derived for the reconstruction error of a single normally or uniformly-distributed finite-dimensional vector imperfectly measured by a…

信息论 · 计算机科学 2015-11-20 Ayşe Ünsal , Raymond Knopp

Existing extremum-seeking control (ESC) approaches typically rely on applying repeated perturbations to input parameters and performing measurements of the corresponding performance output. The required separation between the different…

系统与控制 · 电气工程与系统科学 2025-10-06 Wouter Weekers , Alessandro Saccon , Nathan van de Wouw

This paper describes a highly integrated, low power chip solution for ECG signal processing in wearable devices. The chip contains an instrumentation amplifier with programmable gain, a band-pass filter, a 12-bit SAR ADC, a novel QRS…

硬件体系结构 · 计算机科学 2014-09-30 C. J. Deepu , X. Y. Xu , X. D. Zou , L. B. Yao , Y. Lian

The ubiquity of approximately sparse data has led a variety of com- munities to great interest in compressed sensing algorithms. Although these are very successful and well understood for linear measurements with additive noise, applying…

信息论 · 计算机科学 2016-07-27 Christophe Schülke , Francesco Caltagirone , Lenka Zdeborová

In this work the dynamic compressive sensing (CS) problem of recovering sparse, correlated, time-varying signals from sub-Nyquist, non-adaptive, linear measurements is explored from a Bayesian perspective. While there has been a handful of…

信息论 · 计算机科学 2015-06-05 Justin Ziniel , Philip Schniter

Conventional Synthetic Aperture Radar (SAR) systems are limited in their ability to satisfy the increasing requirement for improved spatial resolution and wider coverage. The demand for high resolution requires high sampling rates, while…

信息论 · 计算机科学 2017-11-22 Kfir Aberman , Yonina C. Eldar

Compressive Sensing (CS) stipulates that a sparse signal can be recovered from a small number of linear measurements, and that this recovery can be performed efficiently in polynomial time. The framework of model-based compressive sensing…

信息论 · 计算机科学 2015-04-22 Chinmay Hegde , Piotr Indyk , Ludwig Schmidt

Compressed sensing is a signal processing method that acquires data directly in a compressed form. This allows one to make less measurements than what was considered necessary to record a signal, enabling faster or more precise measurement…

统计力学 · 物理学 2012-08-20 Florent Krzakala , Marc Mézard , François Sausset , Yifan Sun , Lenka Zdeborová

When signals are measured through physical sensors, they are perturbed by noise. To reduce noise, low-pass filters are commonly employed in order to attenuate high frequency components in the incoming signal, regardless if they come from…

信号处理 · 电气工程与系统科学 2021-11-08 Alejandro J. Ordóñez-Conejo , Armin Lederer , Sandra Hirche

A signal recovery scheme is developed for linear observation systems based on expectation consistent (EC) mean field approximation. Approximate message passing (AMP) is known to be consistent with the results obtained using the replica…

信息论 · 计算机科学 2014-07-08 Yoshiyuki Kabashima , Mikko Vehkapera

In event-based sensing, many sensors independently and asynchronously emit events when there is a change in their input. Event-based sensing can present significant improvements in power efficiency when compared to traditional sampling,…

图像与视频处理 · 电气工程与系统科学 2022-01-19 Karen Adam , Adam Scholefield , Martin Vetterli