Spacecraft vibration test fixture evaluation system

The invention discloses a spacecraft vibration test fixture evaluation system, comprising a fixture attribute browsing module (1), a fixture mode calculating module (2), a fixture vibration response characteristic calculating module (3), a fixture performance evaluating module (4) and a fixture management database (5). By adopting the system disclosed by the invention, an integrated process of fixture characteristic calculation and analysis, fixture characteristic evaluation and fixture data management is realized, fixture dynamic characteristic simulation computation and dynamic characteristic index quantitative evaluation can be rapidly completed, workload of an engineer is reduced, and fixture evaluation efficiency and fixture model management efficiency are improved.