Triangular baseline positioning method and device

The invention discloses a triangular baseline positioning method and device, and belongs to the field of direction-finding positioning, and the method comprises the following steps: building a baseline combination based on an equilateral triangle, and carrying out the three-dimensional incident angle measurement of a target; according to different incident angles, selecting a two-dimensional incident angle with the best angle measurement precision and positioning intersection line matching degree, and completing positioning calculation based on an earth model. According to the invention, the positioning precision at different incident angles is better than that of an orthogonal baseline positioning result, and the positioning precision is improved. 本发明公开了一种三角基线定位方法及设备，属于测向定位领域，包括以下步骤：建立基于等边三角形的基线组合，对目标进行三个维度入射角测量；根据不同入射角度选择测角精度与定位交线匹配度最佳的两维入射角，基于地球模型完成定位解算。本发明在不同入射角度定位精度均优于正交基线定位结果，提高了定位精度。