基于多系统多源定位数据融合的海上目标定位方法

• Format: Patent
• Language: Chinese
• Published: 10.08.2021
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; CALCULATING; COMPUTING; COUNTING; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; HANDLING RECORD CARRIERS; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; PRESENTATION OF DATA; RADIO DIRECTION-FINDING; RADIO NAVIGATION; RECOGNITION OF DATA; RECORD CARRIERS; TESTING

本发明公开了一种基于多系统多源定位数据融合的海上目标定位方法，包括如下步骤：S1、获取全球导航卫星系统的经度、纬度和时间的定位数据；S2、获取惯性导航系统的经度、纬度和时间定位数据；S3、气象传感器获取气压高度计和时钟数据；S4、构建数据矩阵对步骤S1-S3获取的数据进行紧密数据融合和扩展卡尔曼滤波融合计算和收敛处理；S5、在船舶自动识别系统中采用步骤S4中的数据对海上目标进行定位识别。本发明提供的基于多系统多源定位数据融合的海上目标定位方法，能够极大程度提升航行船舶、海事工程、海洋工程定位数据的连续性、可用性、稳健性和可靠性。因此，适用于海陆空天一体化海事监管和保障的各种应用场景。 The invention discloses a marine target positioning method based on multi-system and multi-source positioning data fusion. The method comprises the following steps: S1, acquiring positioning data of longitude, latitude and time of a global navigation satellite system; S2, acquiring longitude, latitude and time positioning data of an inertial navigation system; S3, obtaining a barometric altimeter and clock data by a meteorological sensor ; S4, constructing a data matrix to perform tight data fusion and extended Kalman filtering fusion calculation and convergence processing on the data obtained in the steps S1-S3; and S5, carrying out positioning identification on a marine target by adopting the data in the step S4 in a