从Broer-Kaup系统的谱问题出发,借助相应的Lax对,得到Broer-Kaup系统3种达布变换,并讨论了3种达布变换间的关系.作为应用,利用达布变换,解出Broer-Kaup系统的精确解并研究了解的性态.
Three kinds of Darboux transformations of Broer-Kaup equation were considered,and their relationship was discussed.Explicit solutions of BK equations were obtained by Darboux transformations.