Synonyms were used for: Engine Engine noise noise
Search without synonyms: keywords:(Engine noise)

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    Numerical study of the influence of quadrotor blade parameters on aerodynamic noise generation

    Free access
    Petro Lukianov / Oleg Dusheba | DOAJ | 2024
    Keywords: aerodynamic noise , Motor vehicles. Aeronautics. Astronautics

    A Performance Assessment on Rotor Noise-Informed Active Multidrone Sound Source Tracking Methods

    Free access
    Benjamin Yen / Taiki Yamada / Katsutoshi Itoyama et al. | DOAJ | 2024
    Keywords: rotor noise reduction , Motor vehicles. Aeronautics. Astronautics

    Near- and Far-Field Acoustic Characteristics and Sound Source Localization Performance of Low-Noise Propellers with Gapped Gurney Flap

    Free access
    Ryusuke Noda / Kotaro Hoshiba / Izumi Komatsuzaki et al. | DOAJ | 2024
    Keywords: noise , Motor vehicles. Aeronautics. Astronautics

    Quantity Monitor Based on Differential Weighing Sensors for Storage Tank of Agricultural UAV

    Free access
    Junhao Huang / Weizhuo He / Deshuai Yang et al. | DOAJ | 2024
    Keywords: noise filtering , Motor vehicles. Aeronautics. Astronautics

    Noise Impact Assessment of UAS Operation in Urbanised Areas: Field Measurements and a Simulation

    Free access
    Filip Škultéty / Erik Bujna / Michal Janovec et al. | DOAJ | 2023
    Keywords: UAS noise measurement , noise emission characteristics , noise modelling , noise simulation , Motor vehicles. Aeronautics. Astronautics

    Blade Twist Effects on Aerodynamic Performance and Noise Reduction in a Multirotor Propeller

    Free access
    Jianwei Sun / Koichi Yonezawa / Yasutada Tanabe et al. | DOAJ | 2023
    Keywords: aerodynamic noise , Motor vehicles. Aeronautics. Astronautics

    Construction of acoustic model and simulation of sound absorption of aero-engine composite acoustic liner

    Free access
    YANG Zhiyong / HOU Peng / JIANG Wenge et al. | DOAJ | 2023
    Keywords: noise reduction amount , Motor vehicles. Aeronautics. Astronautics

    Two Low-Complexity Efficient Beamformers for an IRS- and UAV-Aided Directional Modulation Network

    Free access
    Yeqing Lin / Feng Shu / Yuxiang Zheng et al. | DOAJ | 2023
    Keywords: artificial noise , Motor vehicles. Aeronautics. Astronautics

    Modulation Recognition of Low-SNR UAV Radar Signals Based on Bispectral Slices and GA-BP Neural Network

    Free access
    Xuemin Liu / Yaoliang Song / Kuiyu Chen et al. | DOAJ | 2023
    Keywords: low signal-to-noise ratios , Motor vehicles. Aeronautics. Astronautics

    Improved Radar Detection of Small Drones Using Doppler Signal-to-Clutter Ratio (DSCR) Detector

    Free access
    Jiangkun Gong / Jun Yan / Huiping Hu et al. | DOAJ | 2023
    Keywords: signal-to-noise ratio (SNR) , Motor vehicles. Aeronautics. Astronautics

    Research progress of helicopter noise suppression technology based on materials/structures

    Free access
    LI Wenzhi / CAO Yaoqin / HE Zhiping | DOAJ | 2022
    Keywords: noise suppression , Motor vehicles. Aeronautics. Astronautics

    Species-Specific Responses of Bird Song Output in the Presence of Drones

    Free access
    Andrew M. Wilson / Kenneth S. Boyle / Jennifer L. Gilmore et al. | DOAJ | 2021
    Keywords: noise pollution , Motor vehicles. Aeronautics. Astronautics

    Electric vehicles diffusion: changing pavement acoustic design?

    Free access
    Praticò Filippo Giammaria / Fedele Rosario | DOAJ | 2021
    Keywords: internal combustion engine vehicles , traffic noise

    Ship Noise Level Analysis Based on the International Regulations

    Free access
    Klaucans Rauls / Krizus Arnis / Kreisberg Deniss | DOAJ | 2019
    Keywords: noise , Motor vehicles. Aeronautics. Astronautics

    Development of a pulsation dampener for hydraulic systems of power plants

    Free access
    A. N. Kryuchkov / M. A. Еrmilov / E. N. Еrmilova et al. | DOAJ | 2019
    Keywords: hydrodynamic noise , Motor vehicles. Aeronautics. Astronautics

    Computational investigation of aerodynamic and acoustic characteristics of an ultrahigh-bypass ratio counter-rotating fan

    Free access
    Ya. M. Druzhinin / V. I. Mileshin / A. A. Rossikhin | DOAJ | 2018
    Keywords: tonal noise , Motor vehicles. Aeronautics. Astronautics

    Determination of large-size liner impedance based on numerical simulation of sound propagation in a duct with specified azimuthal modal structure

    Free access
    I. A. Korin / V. V. Palchikovskiy / V. V. Pavlogradskiy | DOAJ | 2018
    Keywords: aircraft engine , fan noise , noise modal structure , Motor vehicles. Aeronautics. Astronautics

    Optimization of open counter – rotation fan blades on the basis of solving a 3D Navier-Stokes inverse problem with the aim of reducing tonal noise

    Free access
    V. I. Mileshin / A. A. Rossikhin / S. V. Pankov et al. | DOAJ | 2018
    Keywords: tonal noise , Motor vehicles. Aeronautics. Astronautics

    NOISE AS AN INDIRECT CRITERION FOR EVALUATING THE CRITICAL SPEED OF VEHICLE TIRE AT HYDROPLANING

    Free access
    V. Karpenko / K. Masliaiev | DOAJ | 2017
    Keywords: noise , Motor vehicles. Aeronautics. Astronautics

    Investigation of hydraulic and vibroacoustic characteristics of a prospective valve with an elastic tubular element used as the working body

    Free access
    A. N. Kryuchkov / N. N. Romashov / M. A. Ermilov et al. | DOAJ | 2017
    Keywords: noise and vibration of hydraulic valves , Motor vehicles. Aeronautics. Astronautics