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Review of control techniques on vibration and acoustic environment loads of spacecraft during the launch stage
Wang Jian-Wei;Gang Wang;Ji-hong Wen;Dian-long Yu;Xi-sen Wen
   2011, 31 (1): 1-8.  
Abstract1493)            Save
Spacecraft will suffer the complex and severe dynamic environment loads during its launching stage. These environment loads are mostly composed of acoustic excitation due to very high sound pressure level in the payload fairing and structural excitation due to vibrations and shock transmitted through the payload attach fitting. The very high sound pressure level in the payload fairing is caused by the transmitted sound and structural acoustic radiation. In the last decade, various control techniques of dynamic environment loads has received a great deal of attention. The improving of the dynamic environment would allow more sensitive equipment to be included in missions, and reduce the risk of equipment or component failure as well as spacecraft structural weight and cost. In this paper, the status and development of active and passive noise control techniques of payload fairing is mostly summarized.
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