The article deals with the test model analysis of large thin—walled column structure in the water by using sine renosance and presents meth-ods of solving technique problems during the test.

Probe to application of inspecting technique of resonance chord in monitoring for the state of marine shaft system;

Study on monitoring to state of internal combustion engine in ship based on resonance chord inspection;

The development history and present situation of oscillation technique of CCM mould are introduced, and the forms of the sine and non-sine oscillation analyzed.

Focusing on the engineering applications of multi-shaker random vibration and sine vibration tests, theoretical analysis, numerical simulation and experimental research are performed in the dissertation based on multiple-input-multiple-output (MIM.

According to the vibration issues and characteristics of aero-engines, this paper studied the engine vibration testing, controlling & vibration testing of shakers and summarized the testing concepts, contents, methods and steps of sine vibration, random vibration, and shock vibration measurement for aero-engines & th.