High-resolution modal analysis

  title={High-resolution modal analysis},
  author={Kerem Ege},
Usual modal analysis techniques are based on the Fourier tra nsfo m. Due to the∆T.∆f limitation, they perform poorly when the modal overlap μ exceeds30%. A technique based on a high-resolution analysis algorithm and an order-detec tion method is presented here, with the aim of filling the gap between the lowand the high-fr equency domains ( 30% < μ < 100%). A pseudo-impulse force is applied at points of interests o f a structure and the response is measured at a given point. For each pair of… CONTINUE READING


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