亞伯拉罕識別法，時域模態參數識別法的一種，藉由自由響應，給一個人工激勵來獲得模態參數，頻率以及阻尼比等...。-Ibraham identification method, a time-domain modal parameter identification methods, by free response to an artificial incentive to get the modal parameters, frequency and damping ratio ....