At present,underwater acoustic detection technology has the development trend of unmanned and intelligent,but the analysis method of joint detection efficiency of underwater multi-unmanned platforms is not clear.To solve this prob-lem,this paper establishes a multi-base detection model of underwater unmanned platforms on the basis of conventional multi-base sonar detection model,and proposes a multi-base underwater acoustic detection efficiency analysis method of un-derwater unmanned platforms.On this basis,the motion mode and trajectory of the underwater unmanned platform are op-timized and simulated.The simulation results show that compared with the conventional unpowered multi-base sonar detec-tion,the underwater unmanned motion platform can improve the detection efficiency by optimizing the motion trajectory of the multi-base array,and the detection probability can be increased by up to 35％,which can provide theoretical support for the trajectory planning of the underwater unmanned detection platform.
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