Based on a GMR sensor and computer technique, a giant magnetoresistance compass applicable to a ship have been developed.This type compass will prosprosperous when applied to navigation.

• 并基于巨磁电阻传感器工作原理，结合微处理机技术，研制了可在船上应用的巨磁电阻罗经，在航海上有广阔的应用前景。