A Collision Alarm System for Ships Sailing in Deep Sea Submersible Aquaculture Farm

This system is composed of a multifunction base station, virtue navigation marks and a set of management software. The base station integrates functions such as AIS（Automatic Identification System） signal receiving and transmitting, VHF（Very High Frequency） and VHF-DSC（VHF Digital Selective Calling） and fishery radio alarm signal transmission. Key points and fundamental algorithms of the system are studied. A simulator is developed for the software and system function testing. Sea trials are conducted on ship Haixun 1620 in water area at the southeast of Taishan Island, Fuding of Fujian Province, and the results reported.