Showing 421 - 440 results of 557 for search '"Unmanned aerial vehicle"', query time: 0.06s Refine Results
  1. 421

    Adaptive spatial-channel feature fusion and self-calibrated convolution for early maize seedlings counting in UAV images by Zhenyuan Sun, Zhenyuan Sun, Zhenyuan Sun, Zhi Yang, Zhi Yang, Yimin Ding, Yimin Ding, Boyan Sun, Boyan Sun, Saiju Li, Saiju Li, Zhen Guo, Zhen Guo, Lei Zhu, Lei Zhu

    Published 2025-02-01
    “…Traditional methods are labor-intensive and prone to errors. Unmanned Aerial Vehicle (UAV) technology offers a promising alternative; however, varying UAV altitudes can impact image quality, leading to blurred features and reduced accuracy in early maize seedling counts. …”
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    Article
  2. 422

    Monitoring of agricultural progress in rice-wheat rotation area based on UAV RGB images by Jianliang Wang, Jianliang Wang, Chen Chen, Senpeng Huang, Senpeng Huang, Hui Wang, Yuanyuan Zhao, Yuanyuan Zhao, Jiacheng Wang, Jiacheng Wang, Zhaosheng Yao, Zhaosheng Yao, Chengming Sun, Chengming Sun, Tao Liu, Tao Liu

    Published 2025-01-01
    “…By integrating Unmanned aerial vehicle (UAV) image analysis technology and deep learning techniques, we proposed a method for precise monitoring of agricultural progress in rice-wheat rotation areas. …”
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    Article
  3. 423

    Investigating the contribution of understory to radiative transfer simulations through reconstructing 3-D realistic temperate broadleaf forest scenes based on multi-platform laser... by Xiaohan Lin, Ainong Li, Jinhu Bian, Zhengjian Zhang, Xi Nan, Limin Chen, Yi Bai, Yi Deng, Siyuan Li

    Published 2025-06-01
    “…These scenes were reconstructed through voxel-based, boundary-based, and ellipsoid-based approaches respectively based on the multi-layered point cloud data acquired via combining unmanned aerial vehicle (UAV) and backpack laser scanning. …”
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    Article
  4. 424

    The Use of Drones in Emergency Medicine: Practical and Legal Aspects by Anna Konert, Jacek Smereka, Lukasz Szarpak

    Published 2019-01-01
    “…Unmanned aerial vehicles, also known as drones, can play a significant role in military and civil emergency medicine. …”
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    Article
  5. 425

    ANALYTICAL SYNTHESIS OF THE METHOD OF TARGETING A SUPERSONIC UNMANNED AERIAL VECHICLE BASED ON MULTI-DIMENSIONAL NONLINEAR DYNAMIC MODEL by V. E. Markevich

    Published 2017-06-01
    “…A method of analytical synthesis of an optimal controller for the terminal control task of supersonic unmanned aerial vehicles based on synergetic approach to the design of control systems for nonlinear multidimensional dynamic objects is considered.The article provides analytical expressions describing the algorithm for control the velocity vector position of a supersonic UAV, the simulation results and the comparative analysis of the proposed control algorithm with the modified method of proportional navigation.…”
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    Article
  6. 426

    Object Tracking with the Drone: Systems Analysis by Abbas Aqeel Kareem, Dalal Abdulmohsin Hammood, Ruaa Ali Khamees, Nurulisma Binti Hj. Ismail

    Published 2023-06-01
    “…And at the same time the improvement of unmanned aerial vehicles (UAV). The computer vision application is being integrated with the drone to achieve several purposes. one computer vision application that is used with the drone is object tracking. …”
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    Article
  7. 427

    ANALYTICAL SYNTHESIS OF FORCED PULSE ELECTRONIC DRIVE CONTROL OF A TRACKING SYSTEM by A. S. Abufanas, A. A. Lobaty, Y. F. Yacina

    Published 2018-02-01
    “…This approach can be used for the control of DC-type DC motors used in various tracking systems used on unmanned aerial vehicles.…”
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    Article
  8. 428

    Small Obstacle Avoidance Sensor by Richard H. Vollmerhausen

    Published 2013-01-01
    “…This paper describes a laser ranging sensor that is suitable for applications like small unmanned aerial vehicles. The hardware consists of a diode emitter array and line-scan charge coupled devices. …”
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    Article
  9. 429

    Noninvasive archaeological site characterization: case studies from Fort Ellice 1 and 2, Canada by Scott Hamilton, Nick Kuncewicz

    Published 2025-01-01
    “…We consider public domain imagery at diverse resolutions and compare it with output from unmanned aerial vehicles, and also the integration of such data with archival imagery to aid in interpretation of archaeological features.…”
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    Article
  10. 430

    UAV Path Prediction for CD&R to Manned Aircraft in a Confined Airspace for Cooperative Mission by Chin E. Lin, Ya-Hsien Lai

    Published 2018-01-01
    “…In this paper, a new path prediction approach for unmanned aerial vehicles (UAVs) for conflict detection and resolution (CD&R) to manned aircraft in cooperative mission in a confined airspace is proposed. …”
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    Article
  11. 431

    Performance evaluation of capacity and coverage in UAV communication networks by Zijian HE, Yuan AI, Shi YAN, Mugen PENG

    Published 2017-10-01
    “…Unmanned aerial vehicle(UAV) equipped with communication equipment,as air base stations,can enhance the coverage and capacity of the communication network effectively,due to the characteristics of flexible and rapid deployment.Compared with the traditional mobile communication network,not only the deployment density,but also the flight height of UAV has an influence on the performance of UAV communication networks.The influence of the parameters of UAV communication networks on capacity and coverage was studied.Through the system level simulation,with the increase of UAV deployment density,the capacity and coverage of the UAV communication network have been significantly improved.With the increase of UAV flying height,the capacity of the network shows a trend of increasing firstly and then decreasing.…”
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  12. 432

    Artificial Potential Field-Based Multi-UAV Formation Control and Target Tracking by He Song, Shaolin Hu, Wenqiang Jiang, Qiliang Guo, Ming Zhu

    Published 2022-01-01
    “…To simultaneously achieve space formation flight and target tracking of multiple unmanned aerial vehicles (UAVs) and solve the rotation buffeting problem of the UAV, a robust formation control and target tracking algorithm is proposed. …”
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    Article
  13. 433

    Changes in lichen cover composition on plateau palsas in Western Siberia under the impact of fires by Vera V. Koneva, Uliana Yu. Shavrina, Arisya A. Byzaakay, Yuri Ya. Kolesnichenko, Sergey N. Vorobyev, Larisa G. Kolesnichenko

    Published 2024-12-01
    “…Analysis of field research materials and aerial images from unmanned aerial vehicles revealed significant changes in lichen biodiversity and the structure of the lichen cover. …”
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    Article
  14. 434

    Design and Analysis of Collaborative Unmanned Surface-Aerial Vehicle Cruise Systems by Man Zhu, Yuan-Qiao Wen

    Published 2019-01-01
    “…With the increasing application of unmanned surface vehicle-unmanned aerial vehicles (USV-UAVs) in maritime supervision, research on their deployment and control is becoming vitally important. …”
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    Article
  15. 435

    Wind and Payload Disturbance Rejection Control Based on Adaptive Neural Estimators: Application on Quadrotors by Jesús Enrique Sierra, Matilde Santos

    Published 2019-01-01
    “…In this work, a new intelligent control strategy based on neural networks is proposed to cope with some external disturbances that can affect quadrotor unmanned aerial vehicles (UAV) dynamics. Specifically, the variation of the system mass during logistic tasks and the influence of the wind are considered. …”
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    Article
  16. 436

    Overview of development and challenges of attitude determination for rotary wing UAVs based on GNSS by Yejia Zeng, Zukun Lu, Zukun Lu, Yuchen Xie, Yuchen Xie, Binbin Ren, Binbin Ren, Yi Yu, Shaojie Ni, Shaojie Ni

    Published 2025-02-01
    “…Attitude determination of rotary-wing unmanned aerial vehicles (RUAVs) is crucial for grasping their motion state and is a necessary condition to ensure the correct execution of flight missions. …”
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    Article
  17. 437

    Autonomous Close Formation Flight Control with Fixed Wing and Quadrotor Test Beds by Caleb Rice, Yu Gu, Haiyang Chao, Trenton Larrabee, Srikanth Gururajan, Marcello Napolitano, Tanmay Mandal, Matthew Rhudy

    Published 2016-01-01
    “…Autonomous formation flight is a key approach for reducing energy cost and managing traffic in future high density airspace. The use of Unmanned Aerial Vehicles (UAVs) has allowed low-budget and low-risk validation of autonomous formation flight concepts. …”
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    Article
  18. 438

    A Simultaneous Control, Localization, and Mapping System for UAVs in GPS-Denied Environments by Rodrigo Munguia, Antoni Grau, Yolanda Bolea, Guillermo Obregón-Pulido

    Published 2025-01-01
    “…Unmanned Aerial Vehicles (UAVs) have gained significant attention due to their versatility in applications such as surveillance, reconnaissance, and search-and-rescue operations. …”
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    Article
  19. 439

    Design and Implementation of Intelligent Anti-Interference for Data Link by Zhen WU, Jingyu YANG, Shuo WANG, Zhenghuan WANG, Min JIA

    Published 2022-12-01
    “…The application scenarios and problems faced by data link communication on hypersonic unmanned aerial vehicles were introduced, and the mainstream jamming style categories, development trends and anti-jamming methods in current data link communication were listed.The design and technical scheme of the intelligent anti-jamming engine was described in detail, and the design of the intelligent anti-jamming engine was discussed from four aspects: the overall scheme, the broadband spectrum perception module, the interference signal recognition module, and the anti-interference decision-making module.The technical approaches of the main key technologies were introduced, the performance of the adopted methods was simulated and tested.The results of the simulation tests were compared and analyzed, and the simulation tests could proved that the methods used could achieved the expected goals, but there were still certain limitations, and the actual engineering and practical eff ects need to be further verifi ed.…”
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    Article
  20. 440

    Comparative analysis of computing platforms for onboard micromodule of provisional image recognition by V. A. Kovalev, D. A. Paulenka, E. V. Snezhko, V. A. Liauchuk, A. A. Kalinovski

    Published 2018-09-01
    “…It is assumed that the corresponding versions of the micromodule can be installed on board of small spacecraft or light unmanned aerial vehicles (drones). In this paper we consider a variant of a micromodule for drones. …”
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    Article