Design of Ultra-low Power System for Passive Underwater Target Localization

In order to satisfy the needs of ultra-low power, long working time, and high accuracy for new generation passive underwater target localization system, we designed a hardware platform based on ultra-low power devices THS1206 and TMS320VC5509A, and a software platform based on the cross-spectrum algorithm with perfect accuracy and real-time performance. Benefiting from the adoption of much more time delay information, the whole system holds high localization accuracy as well as satisfactory real-time performance. Experimental results show that the designed system gains low power consumption (less than 70 mW), high real-time computation performance and localization accuracy, meeting the special requirements for the new generation passive underwater target localization system.