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摘要: 基于当前无人机广泛采用的M-JPEG与MPEG-2视频编解码器,构建了实时半实物仿真环境,并基于此对无人机多跳自组网实时视频传输进行了性能评估。结果表明,实时条件下的M-JPEG编解码器无法支持多跳实时视频传输,而MPEG-2能够支持2跳至3跳的实时视频传输;在1~10跳的实时传输条件下,MPEG-2较之M-JPEG在分组投送成功率和解码率意义下的视频质量平均分别提高了55.69%和205.64%。相对于传统的单飞单控方式,无人机多跳自组网在将无人机系统的作用范围扩大4~9倍的同时能够支持实时视频传输。