Ultraharmonic相关论文
Subharmonic and ultraharmonic emissions based on the nonlinear oscillation of encapsulated microbubb
Subharmonics or ultraharmonics provides better contrast-to-tissue ratio (CTR) than the fundamental or the second harmoni......
本文根据港口供电特点,分析了港口供电中高次谐波的产生,以及对运行中电容器的危害,提出了消除高次谐波对运行中电容器影响的措施。......