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《Acta Aeronautica Et Astronautica Sinica》 2003-03
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Generating the Driving Signals for Random Vibration Test by FIR Filter

HE Xu-dong, CHEN Huai-hai (Institute of Vibration Engineering Research, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)  
A new method is set forth in the paper for generating the driving signals for random vibration tests. The random driving signal sequence can be obtained by linearly filtering to the white noise sequence using finite impulse response(FIR)filters. A forming method of the FIR filters is introduced and an example is presented to show the effects of the method. The results are satisfactory. The FIR filters system can also be combined with the structure to be controlled to form a broad system. It will simplify the analysis and design to the whole control system with the broad system.
【Fund】: 航空基金资助项目 (0 1I5 2 0 60 )
【CateGory Index】: TN713
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