Unlike traditional radio-controlled planes, unmanned aerial vehicles, or U.A.V. 's, have the capacity for autonomous flight and navigation.
不像传统的无线遥控飞机，无人驾驶航空器可以自主飞行和导航。
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Aerial photography is an intergrated systems engineering, which relates to much procedure to be assorted with and which includes not only the navigation, but also the flight plan.
The UAV aerial images have fine resolution. The main problem of the UAV image aided navigation is how to pick-up the main character and reduces the calculation cost.