The National Natural Science Foundation of China(No.50975047)
The active control of structural sound radiation in an acoustic enclosure is studied by using distributed point force actuators as the secondary control force, and the control mechanisms for the radiated noise in the ...
The China Major Scientific and Technological Programs(2009ZX04011-053);the China NSFC Fund(50975047)
The dynamic transmission characteristics and the sensitivities of the three stage idler gear system of the new NC power turret are studied in the paper. Considering the strongly nonlinear factors such as the periodica...