The experimental results show that the wireless image system of the microrobot can work effectively in external magnetic field since clear images were received in several meter distances.

• 实验表明，外部磁场对微机器人原理样机的无线图像系统几乎没有影响，射频发射方式具有较好的安全性和穿透性，在离软管几米的位置获得了较为清晰的管道内壁图像。