본문 바로 가기

로고

국내 최대 기계 및 로봇 연구정보
통합검색 화살표
  • 유니맷 메탈에듀
  • 공학설계D/B

    공학설계D/B 게시판 내용
    Volume Title Aircraft Noise
    Volume No General, Noise reduction and Noise estimation 1 (jet, fan/compressor sources - far field).
    DATA Title Bandwidth correction.
    DATA Item 66016
    KEYWORD bandwidth, correction, level, noise, pressure, sound
    ISBN
    ABSTRACT ESDU 66016 gives the relationship between the spectrum level at a particular frequency and the level in a band of known width centred on that frequency. Bandwidth corrections are plotted against bandwidth for arbitrary bandwidths and against centre frequency for octave and one-third octave frequency bandwidths.

    서브 사이드

    서브 우측상단1