Unmanned aerial vehicle image transmission fading-resistant method based on CP-ML algorithm

The invention discloses an unmanned aerial vehicle image transmission fading-resistant method based on a CP-ML algorithm. Through adoption of a COFDM (Coded Orthogonal Frequency Division Multiplexing) full-digital modem technology, on the basis of a timing synchronization algorithm of CP-ML under a multipath fading channel, sizes of corresponding windows are adjusted adaptively according to the strength of information on the channel, so influences of multipath interference when channel transmission is carried out are reduced. The multipath interference-resistant capability of unmanned aerial vehicle microwave transmission is improved and a wireless image transmission technology with stable transmission, low delay, high interference resistance and far transmission distance is realized. 本发明公开了种基于CP-ML算法的无人机图像传输抗衰弱的方法，采用COFDM全数字调制解调技术，基于CP-ML在多径衰弱信道下的定时同步算法，根据信道上信息的强弱来自适应调整相关窗的大小，以降低信道传输时多径干扰的影响。以期提高无人机微波传输的抗多径干扰能力，实现传输稳定、延迟小、抗干扰性强、传输距离远的无线图传技术。