用simulink建立的导弹6自由度模型，同时还有BTT控制，已调试通过，完美运行-Simulink to establish the missile 6-DOF model, as well as BTT Control has been debugging through the perfect run

实现BTT导弹的6自由度仿真；使用传统比例导引法及PID控制(6 degrees of freedom simulation of BTT missile; traditional proportional navigation and PID control)