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RESEARCH ON TUNABLE ANTENNA TO DETECT CONTINUOUS GRAVITATIONAL WAVE AT LOW FREQUENCY

Tang Meng-xi Chen Jia-yan

RESEARCH ON TUNABLE ANTENNA TO DETECT CONTINUOUS GRAVITATIONAL WAVE AT LOW FREQUENCY

Tang Meng-xi, Chen Jia-yan
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Publishing process
  • Received Date:  02 November 1981
  • Published Online:  05 May 1982

RESEARCH ON TUNABLE ANTENNA TO DETECT CONTINUOUS GRAVITATIONAL WAVE AT LOW FREQUENCY

  • 1. 中山大学引力物理研究室

Abstract: A quadrupole antenna has been designed and manufactured,Weight of theantenna is 498 kg. Having added the tuning equipment to the antenna,in room tem-perature and in the air,the Q value is 4.4×103.Resonant frequency of the antenna can be tuned continuously from 47.3 Hz to 60.5 Hz.Each quarter of the antenna issimplified by representing it as a cantinever beam with a rigid body in the free end.We calculate the resonant frequency by simple method of material meehanics insteadof the complicated method of elastic mechanics and obtain a satisfactory result.Several possible mechanical means to adjust the frequency are compared.In addition,we investigate the possibility of using this type of antenna to detect gravitationalwave at lower frequencies.

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