SUBHARMONIC

作品数:41被引量:96H指数:4
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相关领域:理学更多>>
相关作者:赵明华陈永忠钟少鹏张骏强汪宝亮更多>>
相关机构:中国科学院上海应用物理研究所更多>>
相关期刊:《Journal of Ocean University of China》《Science China Mathematics》《Science Bulletin》《China Ocean Engineering》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划教育部留学回国人员科研启动基金俄罗斯基础研究基金更多>>
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Subharmonic and ultraharmonic emissions based on the nonlinear oscillation of encapsulated microbubbles in ultrasound contrast agents被引量:3
《Chinese Science Bulletin》2005年第18期1975-1978,共4页GONG Yanjun ZHANG Dong GONG Xiufen 
This work was supported by the National Natural Science Foundation of China(Grant Nos.10074033 and 10274032);the N ational Natural Science Foundation of Jiangsu Province(BK2004081);SRF for ROCS.SEM.and TWAS(No.03-390).
Subharmonics or ultraharmonics provides better contrast-to-tissue ratio (CTR) than the fundamental or the second harmonics, having prospective application in medical diagnosis. In this paper, subharmonic and ultra-har...
关键词:分频谐波 非线性振动 超频率音响 超谐波 UCA 
Periodic perturbation of planar systems with a semistable limit cycle被引量:1
《Chinese Science Bulletin》1997年第4期265-270,共6页HAN Mao’anDepartment of Mathematics, Shanghai Jiaotong University, Shanghai 200030, China 
CONSIDER the following equation: (?)=f(x)+f1(x,λ)+f2(t,x,μ), (1) where λ, μ are real scalar parameters; f, f1 and f2 are C3 functions in their varia...
关键词:LIMIT CYCLE INVARIANT TORUS SUBHARMONIC solution. 
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