对超宽带定位的基本原理进行了探讨，重点讨论了经典算法中的非迭代算法和迭代算法，对其优缺点进行了对比分析，并以实例说明了超宽带定位技术的优良性能。-UWB positioning on the basic principle is discussed, focusing on the classical algorithm of non-iterative algorithm and the iterative algorithm, its advantages and disadvantages are compared, and to locate examples of the ultra-wideband technology for excellent performance.