Navigation and location method based on utilization of signal strength in underwater acoustic communication network
An underwater acoustic communication network and signal strength technology, applied in the field of navigation and positioning, can solve the problems of relying on synchronous clocks and high power consumption of equipment, and achieve the effects of reducing power consumption of equipment, reducing required time, and improving positioning speed
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[0032] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings:
[0033] The present invention aims to propose a positioning method using signal strength positioning in a distributed underwater communication network. Nodes can be divided into fixed nodes and cooperative target nodes. The network of the present invention includes no less than 3 fixed nodes receiving underwater acoustic signals, and a positioning entity whose position is unknown. Wherein, each node includes a signal receiving module, a power amplifier module, a transmitting module, a transceiver combining transducer; the positioning entity carries a distance calculation program and a positioning calculation program. The positioning entity sends a communication signal with a known signal strength in the water, and uses the signal strength of the received signal by the node to compare the signal strength of the transmitted signal to calculate the signal pr...
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