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- W2385598045 abstract "In order to launch the space remote sensor sucessfully,the modal characteristic of a truss for enduring the dynamic load was calculated by Finite Element Method(FEM),and the modal test was done by the hammer beat method.The calculated and tested frequency result was compared,and the visual comparing method and the Modal Assurance Criterion(MAC) were employed in the relativity analysis of the modal shape.Experimental result shows that the first-order order frequency of the truss is 154 Hz,which satisfies the design requirement above 140 Hz,and the calculated error of the FEM is less than 10%.There are some shape relativity less than 0.5 in partly,so the FEM model needs to be modified for the following engineering use." @default.
- W2385598045 created "2016-06-24" @default.
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- W2385598045 date "2007-01-01" @default.
- W2385598045 modified "2023-09-24" @default.
- W2385598045 title "Modal calculation and test of truss in space remote sensor" @default.
- W2385598045 hasPublicationYear "2007" @default.
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