基于LabVIEW的某导航设备卡尔曼滤波方位解算修正技术

Navigation Equipment Kalman Filter Azimuth Solution Correction Technique Based on LabVIEW

某导航设备信号常使用卡尔曼滤波算法进行方位解算。为改良卡尔曼滤波噪声系数,确保算法在较短的时间内准确解算设备信号方位值,提出一种基于LabVIEW的卡尔曼滤波方位解算修正技术,通过LabVIEW快速构建信号模型和卡尔曼滤波方位解算模型,完成对卡尔曼滤波初始参数的修正。经测试,该技术有效缩短卡尔曼滤波噪声系数修正时间,可应用于实装工程。

The navigation equipment signal is usually solved by Kalman filtering software.In order to improve the Kalman filter noise coefficient and ensure that the algorithm can accurately calculate the navigation equipment signal azimuth value in a short time,a navigation equipment Kalman fiter azimuth solving correction technology based on LabVIEW is proposed,and the navigation equipment signal model and Kalman filter azimuth solving model are rapidly constructed by LabVIEW.The initial parameters of Kalman filter are modified.The test shows that the technology can shorten the correction time of Kalman filter noise coefficient effectively,and can be applied to the actual installation project.