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Supersonic jet noise reduction is important for high speed military aircraft. Lower acoustic levels would reduce structural fatigue leading to longer lifetime of the jet aircraft. It is not solely structural aspects which are of importance,…

Accurate real-time wind vector estimation is essential for enhancing the safety, navigation accuracy, and energy efficiency of unmanned aerial vehicles (UAVs). Traditional approaches rely on external sensors or simplify vehicle dynamics,…

新兴技术 · 计算机科学 2025-12-12 Haowen Yu , Na Fan , Xing Liu , Ximin Lyu

Unmanned Aerial Vehicles (UAVs), or drones, have recently been used in several civil application domains from organ delivery to remote locations to wireless network coverage. These platforms, however, are naturally unstable systems for…

机器人学 · 计算机科学 2020-10-07 Gabriel Moraes Barros , Esther Luna Colombini

We aim to develop a technology that makes the sound from earphones and headphones easier to hear without increasing the sound pressure or eliminating ambient noise. To this end, we focus on harnessing the phenomenon of binaural unmasking…

音频与语音处理 · 电气工程与系统科学 2026-02-23 Rina Kotani , Chiaki Miyazaki , Shiro Suzuki

We study a noisy drive mechanism for efficiency enhancement of Brownian motors operating on the micro-scale domain. It was proven [J. Spiechowicz et al., J. Stat. Mech. P02044, (2013)] that biased noise $\eta(t)$ can induce normal and…

统计力学 · 物理学 2014-09-09 Jakub Spiechowicz , Peter Hänggi , Jerzy Łuczka

Understanding how sound propagates through different media is fundamental to both science and technology. While sound plays a critical role in natural navigation and underlies a wide range of applications - from medical ultrasound to sonar…

物理教育 · 物理学 2025-07-30 Helio Takai , Tom Tomaszewski , Jeremy Tomaszewski , Joe Sundermier

This work considers unmanned aerial vehicle (UAV) networks for collecting data covertly from ground users. The full-duplex UAV intends to gather critical information from a scheduled user (SU) through wireless communication and generate…

信号处理 · 电气工程与系统科学 2019-06-21 Xiaobo Zhou , Shihao Yan , Feng Shu , Riqing Chen , Jun Li

Unmanned aerial vehicles (UAVs) have attracted significant interest from the academia and industry most recently. Motivated by the wide usage of UAVs, this paper considers UAV communication with reconfigurable antenna (RA) in the presence…

信号处理 · 电气工程与系统科学 2022-06-10 Ayse Betul Buyuksar , Eylem Erdogan , Ibrahim Altunbas

Quadcopters, as unmanned aerial vehicles (UAVs), have great potential in civil applications such as surveying, building monitoring, and infrastructure condition assessment. Quadcopters, however, are relatively sensitive to noises and…

系统与控制 · 计算机科学 2019-01-04 Van Truong Hoang , Ansu Man Singh , Manh Duong Phung , Quang Ha

Over-the-air computation (AirComp) provides a promising way to support ultrafast aggregation of distributed data. However, its performance cannot be guaranteed in long-distance transmission due to the distortion induced by the channel…

信号处理 · 电气工程与系统科学 2021-01-26 Min Fu , Yong Zhou , Yuanming Shi , Ting Wang , Wei Chen

Currently, unmanned aerial vehicles, such as drones, are becoming a part of our lives and reaching out to many areas of society, including the industrialized world. A common alternative to control the movements and actions of the drone is…

机器人学 · 计算机科学 2020-09-22 Ruben Contreras , Angel Ayala , Francisco Cruz

In this work, we investigate the impact of two cooperative unmanned aerial vehicle (UAV)-based jammers on the secrecy performance of a ground wireless network in the presence of an eavesdropper. For that purpose, we investigate the…

信息论 · 计算机科学 2021-09-30 X. A. Flores Cabezas , D. P. Moya Osorio , M. Latva-aho

The shot noise in the current through a quantum dot is calculated as a function of voltage from the high-voltage, Coulomb blockaded regime to the low-voltage, Kondo regime. Using several complementary approaches, it is shown that the…

介观与纳米尺度物理 · 物理学 2009-11-07 Yigal Meir , Anatoly Golub

The biggest challenge that quantum computing and quantum machine learning are currently facing is the presence of noise in quantum devices. As a result, big efforts have been put into correcting or mitigating the induced errors. But, can…

量子物理 · 物理学 2023-06-09 L. Domingo , G. Carlo , F. Borondo

This paper presents a new Proportional-Integral-Derivative-Accelerated (PIDA) control with a derivative filter to improve quadcopter flight stability in a noisy environment. The mathematical model is derived from having an accurate model…

机器人学 · 计算机科学 2022-04-08 Seid Miad Zandavi , Vera Chung , Ali Anaissi

Obstacle avoidance for small unmanned aircraft is vital for the safety of future urban air mobility (UAM) and Unmanned Aircraft System (UAS) Traffic Management (UTM). There are many techniques for real-time robust drone guidance, but many…

机器人学 · 计算机科学 2021-11-16 Jueming Hu , Xuxi Yang , Weichang Wang , Peng Wei , Lei Ying , Yongming Liu

Thanks to their quick placement and high flexibility, unmanned aerial vehicles (UAVs) can be very useful in the current and future wireless communication systems. With a growing number of smart devices and infrastructure-free communication…

信号处理 · 电气工程与系统科学 2020-04-24 Shuyan Hu , Qingqing Wu , Xin Wang

Monaural Speech enhancement on drones is challenging because the ego-noise from the rotating motors and propellers leads to extremely low signal-to-noise ratios at onboard microphones. Although recent masking-based deep neural network…

音频与语音处理 · 电气工程与系统科学 2024-10-21 Xingyu Chen , Hanwen Bi , Wei-Ting Lai , Fei Ma

Electronic circuits are built by combining components with known current/voltage characteristics, which are intrinsic to each component and independent of the rest of the circuit. This approach breaks down for nanostructures placed at…

介观与纳米尺度物理 · 物理学 2021-07-21 Karl Thibault , Julien Gabelli , Christian Lupien , Bertrand Reulet

This paper demonstrates analytically and experimentally an acoustic levitation motor which has the ability to levitate and rotate an object in the air without mechanical contact. To realize such a device two core methods are applied…

应用物理 · 物理学 2017-11-02 Solomon Davis , Izhak Bucher