介绍了INS/GPS组合

中松耦合、紧耦合与超紧耦合方式的

技术特点, 综述了国外INS/GPS超紧

耦合技术的发展现状及当前超紧耦合

技术应用的相关产品, 并展望了超紧

耦合技术未来发展方向。-Loosely coupled INS/GPS integrated, tightly coupled with the technical characteristics of the ultra-tight coupling abroad INS/GPS ultra-tight coupling technology development status and current ultra-tight coupling applications related products, and the outlook of the ultra-tight coupling technical direction of future development.