Wireless sensor network search-and-rescue target location method based on maritime environment self-adaptation RSST distance measurement

The invention provides a wireless sensor network search-and-rescue target location method based on maritime environment self-adaptation RSST distance measurement. Wireless sensor network application and maritime search and rescue are combined to change the situation that maritime search-and-rescue targets can only wait for rescue. A easily operated and arranged RSST distance measurement algorithm which is not required to be supported by additional hardware is selected, mobile anchor nodes are introduced based on shielding models, required parameters are calculated by utilizing mutual coordination of the anchor nodes, and optimized paths loss models can meet maritime search and rescue application environments at the moment. Gaussian filter are utilized to perform filtering on measured RSST number values, accordingly accurate RSST number values are obtained, the optimized paths loss models are substituted to obtain accurate distances between the anchor nodes ad unknown nodes. Finally, maritime search-and-rescue targets are positioned by utilizing a wireless sensor network triangular centroid algorithm, and target location accuracy and search-and-rescue success rate are improved.