Results show that both the shaft-rate modulated currents will generate an ELFEF which contains both the shaft fundamental and harmonics extending to several hundred Hz and becomes an important target characteristic of ship.

 
  • 测量结果表明,由不同金属制成的船壳和螺旋桨之间的 腐蚀电流和防腐电流经螺旋桨转动的调制后,在海水中会产生以螺旋桨转动频率为基频以及高达几百赫兹 的谐波的极低频电场,成为舰船的一个重要目标特性。
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