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 9 推进器水声信号的解调分析结果（转速为1150 r/min）

Fig.9 Demodulation analysis results of propulsor noise ($ {f}_{\text{SF}}=1\;150$ r/min)