decay eigenvalue 中文意思是什麼
decay eigenvalue
解釋
衰變本徵值,衰變固有值- decay : vi. 1. 朽，腐爛。2. 衰減，衰退。3. 凋謝，枯。vt. 使朽壞；使衰退。n. 1. 衰微，衰退。2. 朽，腐爛。3. 【無線電】衰變。
- eigenvalue : n. 【數學】特徵值，固有值。
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In chapter 3, the non - linear equation was linearized with the jacobi matrix, and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ). meanwhile, the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ). the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies
然後，在穩態響應的基礎上利用雅各比矩陣對非線性方程進行了線化，線化后的方程利用多槳葉坐標變換轉換到固定系下后，利用直接特徵值分析（地面、懸停）或floquet理論（前飛）對系統進行了穩定性分析;同時，對系統進行了瞬態響應分析;在系統達到穩態的基礎上進行掃頻激勵，用fft變換求得系統頻率，進而用移動矩形窗方法分析得到系統的阻尼。
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