基于遍历加权包络谱的推进器调制线谱提取方法

伍柯霖,孙宇航,徐佳峰,童威棋,董攀,吴大转

Extraction method of modulation frequencies of propulsor based on traversal weighted envelope spectrum

Kelin WU,Yuhang SUN,Jiafeng XU,Weiqi TONG,Pan DONG,Dazhuan WU

图 6 泵喷推进器辐射噪声的解调分析结果（转速为1260 r/min）

Fig.6 Demodulation analysis results of pump-jet propulsor radiated noise ($ {f}_{\text{SF}}=1\;260 $ r/min)