APPLICATION OF CROSS CORRELATION AND HIGHER ORDER SPECTRUM TIME DELAY ESTIMATION TO TESTING CONCRETE PLATE BY IMPACT-ECHO METHOD

 
  • 互相關(guān)和高階譜時(shí)延估計在混凝土板沖擊反射法測量中的應用
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan