本文讨论了正交布线干涉仪测角系统的基线匹配问题。一般认为,为保证无模糊测量,基线长度应小于0.5λ。本文提出当进行两维测向时,基线长度上限可扩展至0.585λ,并给出了两条基线相互匹配解模糊求解方位角的计算方法以及正确匹配概率的计算公式。对于在战术应用条件下,干涉仪测角系统的设计,本文有实际参考意义。 This article discusses the problem of baseline matching for the Orthogonal Crosstalk Angle Measuring System. Generally believed that, in order to ensure unambiguous measurement, the baseline length should be less than 0.5λ. This paper proposes that the upper limit of the baseline length can be extended to 0.585λ when two-dimensional direction finding is performed, and the calculation method for solving azimuth with two baseline matching solutions and the correct matching probability formula is given. For tactical application conditions, the interferometer goniometer system design, this article has practical reference significance.