CAJ | 학술논문

相关器技术是利用相关器结构或相关函数的处理来抑制多径干扰或补偿多径误差的技术,广泛应用于全球导航卫星系统（GNSS）接收机的干扰抑制,主要包括窄相关技术、Strobe相关器、Shaping相关器、MET技术、多径不变点技术以及MEDLL技术。探讨了它们抑制多径干扰的原理和实现方式,分析了剩余跟踪误差情况,总结了相关技术的应用和发展现状。
상관기기술시이용상관기결구혹상관함수적처리래억제다경간우혹보상다경오차적기술,엄범응용우전구도항위성계통（GNSS）접수궤적간우억제,주요포괄착상관기술、Strobe상관기、Shaping상관기、MET기술、다경불변점기술이급MEDLL기술。탐토료타문억제다경간우적원리화실현방식,분석료잉여근종오차정황,총결료상관기술적응용화발전현상。
Correlator technique is utilizing the correlator structure or processing technology of correlation function to suppress the multi-path interference or compensate multi-path errors,which is one of the most widely used technology of interference suppression in the global navigation satellite system（GNSS） receiver.Correlator technology mainly contains narrow correlator technology,strobe correlator,shaping correlator,MET technology,multi-path invariant point and MEDLL technology.In this paper,the principles of all multi-path suppression methods and implementing mode were discussed and,the residual tracking error and the current status of development were also analyzed,as well as the application and development status of related techniques were summarized.