The invention provides an active and passive compatible
underwater acoustic
positioning system. The active and passive compatible
underwater acoustic
positioning system comprises four subsurface buoynetworking devices and one subsurface
buoy positioning terminal, the subsurface
buoy networking device and the subsurface
buoy positioning terminal each comprise a subsurface buoy and a
battery pack,and the subsurface buoys are fixedly connected with the corresponding battery packs. Each subsurface buoy comprises an electronic cabin, a transmitting-receiving combined
underwater acoustic
transducer and a depth meter, the transmitting-receiving combined underwater acoustic
transducer and the depth meter are located at the two ends of the electronic cabin respectively, the transmitting-receivingcombined underwater acoustic
transducer is configured to transmit and receive 7-11 kHz underwater acoustic signals, and the depth meter is configured to obtain depth information of the subsurface buoy. The submerged buoy networking device further comprises buoys. According to the
system, the active positioning requirement during autonomous sounding of the underwater target and the passive positioning requirement during concealed non-sounding are met at the same time by one
system, multiple communication
modes are adopted, multiple requirements of
connectivity, economy and the like of the
system and a
shore-based system can be met, and when the system is deployed in the offshore area, an economic
wireless communication mode can be adopted to communicate with the
shore-based system; when the system is deployed in medium and high seas, the system can communicate with a
shore base in a
satellite communication mode.