Patents Assigned to NANJING UNIVERSITY OF AERONAUTICS AND ASTRONUATICS
  • Global active noise control method for rotorcraft
    Patent number: 11842716
    Abstract: A global active noise control method for a rotorcraft, including: acquiring the acoustic pressure signal at a measuring point of the rotorcraft; predicting the holographic and global sound field of noise of the rotor; reconstructing the reverse sound field of the noise of the rotor; and performing adaptive sound field adjustment based on the optimal phase search.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: December 12, 2023
    Assignee: NANJING UNIVERSITY OF AERONAUTICS AND ASTRONUATICS
    Inventors: Yang Lu, Xice Xu, Mengxue Shao, Jinru Chen