鸭式气动布局，近距空空导弹造型。舵面为鸭翼，位于弹体前段，尾翼位于弹体后段，翼展大于鸭翼的气动布局。其优点是：鸭翼离导弹重心较远，操纵效率高；鸭翼面积很小，下洗流对稳定性影响不大，气动力线性度好；在升力面积相等时产生的升力较大；各部件对接简单，易于改变设计。缺点是：前后翼面对弹体的弯矩较大；导弹要产生机动所需的力，必须先偏转鸭翼，使弹体处于迎角下才能实现，响应慢，平衡迎角大等。采用鸭式布局的近距空空导弹，典型的有AIM-9、“怪蛇Ⅲ”导弹等。
采用以N-S方程为主控方程的数值模拟方法，进行固定尾翼鸭式气动布局导弹的气动特性和流场数值模拟。
To investigate the rolling control characteristics of canard-controlled missile with fixed-tail, a numerical simulation method based on N-S formulation was conducted.
鸭式无尾翼布局具有高度机动性和优越的超音速性能，但亦具有先天空气动力上之不稳定性。
The tailless delta-canard configuration is inherently aerodynamically unstable, which provides a high level of agility, particularly at supersonic speeds.
本文讨论了鸭式布局弹箭的滚转气动特性，分析了鸭舵的下洗影响作用。
In this thesis, the rolling moment characteristics of canard missies are studied, and theinfluence of downwash of canard was analyzed.
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