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Urban air mobility (UAM) is a transformative system that operates various small aerial vehicles in urban environments to reshape urban transportation. However, integrating UAM into existing urban environments presents a variety of complex…

Multiagent Systems · Computer Science 2025-01-16 Surya Murthy , John-Paul Clarke , Ufuk Topcu , Zhenyu Gao

Unlike aerial base station enabled by a single unmanned aerial vehicle (UAV), aerial coordinated multiple points (CoMP) can be enabled by a UAV swarm. In this case, the management of multiple UAVs is important. This paper considers the…

Information Theory · Computer Science 2019-08-20 Xuanxuan Wang , Wei Feng , Yunfei Chen , Ning Ge

To enhance both the sensing and covert communication performance, a dual-unmanned aerial vehicle (UAV)-aided scheme is proposed for integrated sensing and communication networks, in which one UAV maneuvers as the aerial dual-functional…

Information Theory · Computer Science 2025-06-03 Jingke Sun , Liang Yang , Alexandros-Apostolos A. Boulogeorgos , Theodoros A. Tsiftsis , Hongwu Liu

We investigate the capability of dynamical decoupling techniques to reduce decoherence from a realistic environment generating 1/f noise. The predominance of low frequency modes in the noise profile allows for decoherence scenarios where…

Quantum Physics · Physics 2009-11-10 Lara Faoro , Lorenza Viola

This paper presents our method for enabling a UAV quadrotor, equipped with a monocular camera, to autonomously avoid collisions with obstacles in unstructured and unknown indoor environments. When compared to obstacle avoidance in ground…

Robotics · Computer Science 2019-11-20 Abhik Singla , Sindhu Padakandla , Shalabh Bhatnagar

An experiment is conducted to investigate the effects of chevrons on installed subsonic jet noise at a Mach number of 0.5 using the NASA SMC000 (round) and SMC006 (chevron) nozzles. The jets are of a diameter D=16.93 mm and placed near a…

Fluid Dynamics · Physics 2025-10-17 Hasan Kamliya Jawahar , Benshuai Lyu , Mahdi Azarpeyvand

Experimental investigations of current shot noise in quantum point contacts show a reduction of the noise near the 0.7 anomaly. It is demonstrated that such a reduction naturally arises in a model proposed recently to explain the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 A. Golub , T. Aono , Yigal Meir

Trailing edge noise generated by turbulent flow traveling past an edge of an airfoil is one of the most essential aeroacoustic sound generation mechanisms. It is of great interest for noise problems in various areas of industrial…

Fluid Dynamics · Physics 2018-10-08 Benjamin Fassmann , Christof Rautmann , Roland Ewert , Jan Delfs

This paper investigates a multiple unmanned aerial vehicles (UAVs) enabled cooperative secure transmission scheme in the presence of multiple potential eavesdroppers. Specifically, multiple source UAVs (SUAVs) send confidential information…

Information Theory · Computer Science 2019-12-05 Meng Hua , Yi Wang , Qingqing Wu , Haibo Dai , Yongming Huang , Luxi Yang

The quality of audio recordings in outdoor environments is often degraded by the presence of wind. Mitigating the impact of wind noise on the perceptual quality of single-channel speech remains a significant challenge due to its…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-11 Kuang Yuan , Shuo Han , Swarun Kumar , Bhiksha Raj

In this work, we present an approach to supervisory reinforcement learning control for unmanned aerial vehicles (UAVs). UAVs are dynamic systems where control decisions in response to disturbances in the environment have to be made in the…

Systems and Control · Electrical Eng. & Systems 2023-05-23 Ibrahim Ahmed , Marcos Quinones-Grueiro , Gautam Biswas

With the rising popularity of UAVs in the civilian world, we are currently witnessing and paradim shift in terms of operational safety of flying vehicles. Safe and ubiquitous human-system interaction shall remain the core requirement but…

Robotics · Computer Science 2018-03-28 Juan-Pablo Afman , Laurent Ciarletta , Eric Feron , John Franklin , Thomas Gurriet , Eric N. Johnson

Bubble curtains are widely used to protect marine life from exposure to noise during offshore construction. However, operating a bubble curtain is costly. Therefore optimizing the acoustic effect of the available air is important. An…

Fluid Dynamics · Physics 2024-10-21 Simon Beelen , Marten Nijhof , Christ de Jong , Leen van Wijngaarden , Dominik Krug

Unmanned aerial vehicles (UAVs) are widely used for object detection. However, the existing UAV-based object detection systems are subject to severe challenges, namely, their limited computation, energy and communication resources, which…

Signal Processing · Electrical Eng. & Systems 2025-02-07 Xi Song , Fuhui Zhou , Rui Ding , Zhibo Qu , Yihao Li , Qihui Wu , Naofal Al-Dhahir

Hearing aids use dynamic range compression (DRC), a form of automatic gain control, to make quiet sounds louder and loud sounds quieter. Compression can improve listening comfort, but it can also cause distortion in noisy environments. It…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-28 Ryan M. Corey , Andrew C. Singer

This work employs an unmanned aerial vehicle (UAV) as a jammer to aid a covert communication from a transmitter Alice to a receiver Bob, where the UAV transmits artificial noise (AN) with random power to deliberately create interference to…

Information Theory · Computer Science 2022-02-28 Hangmei Rao , Sa Xiao , Shihao Yan , Jianquan Wang , Wanbin Tang

This paper presents a new framework to use images as the inputs for the controller to have autonomous flight, considering the noisy indoor environment and uncertainties. A new Proportional-Integral-Derivative-Accelerated (PIDA) control with…

Robotics · Computer Science 2020-09-17 Seid Miad Zandavi , Vera Chung , Ali Anaissi

With the assistance of device-to-device (D2D) communications, unmanned aerial vehicle (UAV) networks are anticipated to support widespread applications in the fifth generation (5G) and beyond wireless systems, by providing seamless…

Networking and Internet Architecture · Computer Science 2022-01-11 B. Yang , T. Taleb , Z. Wu , L. Ma

Unmanned aircraft systems (UAS), or unmanned aerial vehicles (UAVs), often referred to as drones, have been experiencing healthy growth in the United States and around the world. The positive uses of UAS have the potential to save lives,…

Signal Processing · Electrical Eng. & Systems 2021-05-03 Jian Wang , Yongxin Liu , Houbing Song

In this work, we study vulnerability of unmanned aerial vehicles (UAVs) to stealthy attacks on perception-based control. To guide our analysis, we consider two specific missions: ($i$) ground vehicle tracking (GVT), and ($ii$) vertical…

Robotics · Computer Science 2023-03-06 Amir Khazraei , Haocheng Meng , Miroslav Pajic