http://reply.papertrans.cn/1/77/7638/7638-31.png
http://reply.papertrans.cn/1/77/7638/7638-32.png
http://reply.papertrans.cn/1/77/7638/7638-33.png
http://reply.papertrans.cn/1/77/7638/7638-34.png
http://reply.papertrans.cn/1/77/7638/7638-35.png
Submitted on: 28 March 2011.
Revised on: 24 April 2011.
Accepted on: 18 June 2011.
___________________Drone Systems and Applications