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相关论文: RFI Mitigation for One-bit UWB Radar Systems

200 篇论文

Fast radio bursts (FRBs) are mysterious astronomical phenomena, and it is still uncertain whether they consist of multiple types. In this study we use two nonlinear dimensionality reduction algorithms - Uniform Manifold Approximation and…

高能天体物理现象 · 物理学 2023-05-17 X. Yang , S. -B. Zhang , J. -S. Wang , X. -F. Wu

This paper proposes a deep learning-based framework for near-field nulling control beam focusing (NCBF) in extra-large MIMO (XL-MIMO) systems to mitigate multi-user interference (MUI). A dual-estimator architecture comprising two fully…

信号处理 · 电气工程与系统科学 2025-09-25 Mohammadhossein Karimi , Yuanzhe Gong , Tho Le-Ngoc

In this work, we present a novel robust distributed beamforming (RDB) approach to mitigate the effects of channel errors on wireless networks equipped with relays based on the exploitation of the cross-correlation between the received data…

信号处理 · 电气工程与系统科学 2017-12-05 H. Ruan , R. C. de Lamare

Mutual interference in automotive radar scenarios is going to become a major concern as the density of vehicles with radar sensors in the roads increases. The present work tackles the problem of frequency modulated continuous wave (FMCW) to…

信号处理 · 电气工程与系统科学 2021-06-11 Aitor Correas-Serrano , María A. González-Huici

RFI mitigation is a critically important issue in radio astronomy using existing instruments as well as in the development of next-generation radio telescopes, such as the Square Kilometer Array (SKA). Most designs for the SKA involve…

天体物理学 · 物理学 2015-06-24 N. D. R. Bhat , J. M. Cordes , S. Chatterjee , T. J. W. Lazio

Digital modulation schemes such as PMCW have recently attracted increasing attention as possible replacements for FMCW modulation in future automotive radar systems. A significant obstacle to their widespread adoption is the expensive and…

信号处理 · 电气工程与系统科学 2025-03-18 Jingxian Wang , Moritz Kahlert , Tai Fei , Changxu Zhang , Zhaoze Wang , Markus Gardill

Besides suppressing all undesired sound sources, an important objective of a binaural noise reduction algorithm for hearing devices is the preservation of the binaural cues, aiming at preserving the spatial perception of the acoustic scene.…

音频与语音处理 · 电气工程与系统科学 2022-11-22 N. Gößling , S. Doclo

This paper studies the transmit waveform optimization for a quantized multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system, where one-bit analog-to-digital converters (ADCs) are employed to enable a…

信号处理 · 电气工程与系统科学 2026-04-09 Qi Lin , Hong Shen , Wei Xu , Chunming Zhao

Dual-functional radar-communication (DFRC) signal design has received much attention lately. We consider the scenario of one-bit massive multi-input multi-output (MIMO) wherein one-bit DACs are employed for the sake of saving hardware…

信号处理 · 电气工程与系统科学 2025-01-28 Wai-Yiu Keung , Hei Victor Cheng , Wing-Kin Ma

Transient radio frequency interference (RFI) is detrimental to radio astronomy. It is particularly difficult to identify the sources of transient RFI, which is broadband and intermittent. Such RFI is often generated by devices like…

信号处理 · 电气工程与系统科学 2018-03-08 Daniel Czech , Amit Mishra , Michael Inggs

Ultra Wideband (UWB) is widely used to mitigate drift in visual-inertial odometry (VIO) systems. Consistency is crucial for ensuring the estimation accuracy of a UWBaided VIO system. An inconsistent estimator can degrade localization…

机器人学 · 计算机科学 2025-08-15 Yizhi Zhou , Ziwei Kang , Jiawei Xia , Xuan Wang

Multi-modality magnetic resonance imaging (MRI) is essential for the diagnosis and treatment of brain tumors. However, missing modalities are commonly observed due to limitations in scan time, scan corruption, artifacts, motion, and…

图像与视频处理 · 电气工程与系统科学 2025-01-08 Xiaojiao Xiao , Qinmin Vivian Hu , Guanghui Wang

Localization of a radio frequency (RF) transmitter with intermittent transmissions is considered via a group of unmanned aerial vehicles (UAVs) equipped with omnidirectional received signal strength (RSS) sensors. This group embarks on an…

信号处理 · 电气工程与系统科学 2018-01-09 Farshad Koohifar , Ismail Guvenc , Mihail L. Sichitiu

Radio-frequency (RF) impairments, which intimately exist in wireless communication systems, can severely limit the performance of multiple-input multiple-output (MIMO) systems. Although we can resort to compensation schemes to mitigate part…

信息论 · 计算机科学 2015-03-31 Xinlin Zhang , Michail Matthaiou , Mikael Coldrey , Emil Björnson

Ongoing demand for radio spectrum by commercial wireless services has steadily increased pressure on the frequency bands traditionally reserved for radar. This paper addresses the joint problem of designing non-contiguous radar transmission…

信号处理 · 电气工程与系统科学 2026-05-29 Gordon Ariho , Hara Madhav Talasila , James M. Stiles , Peng Seng Tan

Wi-Fi sensing leveraging plain-text beamforming feedback information (BFI) in multiple-input-multiple-output (MIMO) systems attracts increasing attention. However, due to the implicit relationship between BFI and the channel state…

信号处理 · 电气工程与系统科学 2024-06-11 Xin Li , Jingzhi Hu , Jun Luo

Extremely Large-Scale (XL) multiple input multiple output (MIMO) antenna systems combined with ultra-wide signal bandwidth (BW) offer the potential for ultra-high-resolution sensing in frequency modulated continuous wave (FMCW) radars.…

信号处理 · 电气工程与系统科学 2026-03-10 Chandrashekhar Rai , Arpan Chattopadhyay

This paper presents the effects of radio frequency interference (RFI) mitigation on a radio telescope's sensitivity and beam pattern. It specifically explores the impact of subspace-projection mitigation on the phased array feed (PAF) beams…

天体物理仪器与方法 · 物理学 2024-05-28 Liroy Lourenco , Aaron P Chippendale

The combination of ultrawideband (UWB) radios and inertial measurement units (IMU) can provide accurate positioning. To ensure reliable communication, the radios are generally mounted at the extremities of a mobile system whereas the IMUs…

机器人学 · 计算机科学 2021-08-02 Abhishek Goudar

With the increasing use of autonomous unmanned aerial vehicles (UAVs), it is critical to ensure that they are continuously tracked and controlled, especially when UAVs operate beyond the communication range of ground stations (GSs).…

系统与控制 · 电气工程与系统科学 2023-12-27 Yian Zhu , Ziye Jia , Qihui Wu , Chao Dong , Zirui Zhuang , Huiling Hu , Qi Cai