Leakage from pipelines has caused serious environmental pollution and economic losses. Usually, leak detection can reduce the damage. The paper mainly discusses
[1]CHEN Xiaohong and HUANG Xianglu, 1993a. Bi-Frequency Analyses of Mooring Line Dynamics, Proceedings of 1993 OMAE.[2]CHEN Xiaohong and HUANG Xianglu, 1993b. The A