Abstract
Based on the theory of structural dynamics and Workbench software, the modal analysis and harmonic response analysis of a radar vibration fixture are carried out <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">[1]</sup> . The results show that the first order natural frequency of the fixture is low, and the difference of harmonic response between the sample points is large. By optimizing design and simulation analysis, the new fixture is obtained. The simulation results show that the first order natural frequency of the new fixture is increased by 49.1% and the difference between the sample points is reduced. The radar successfully passed the vibration test by using the new fixture <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">[2]</sup> .
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