本文以靜磁場中，一環電子受到圓極化電磁波驅動的簡單模型，來了解電子迴旋脈射的群聚與能量轉換機制，從單擺類比及運動方程的解兩方面，比較了電子在線性與非線性範圍的動力學行為及電子效率的時間演化。電子能量的轉換機制共可分為四類，其中與快波作用時，主要的輻射能量來自角群聚，而與慢波作用時，主要的輻射能量來自軸群聚。由於一般靜磁場中受靜電波驅動的電子具有渾沌現象，本文也從哈密頓力學的角度，分析了電子受到圓極化電磁波驅動下能量與相對相位構成的相空間，可以證明，由於相軌存在解析關係，因此本文所討論的系統沒有渾沌發生。

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