Abstract:In order to reduce the position error between the obtained positioning area and the actual area and improve the real-time accuracy of remote sensing disaster positioning, a disaster area positioning system based on aerial remote sensing image is designed. The key remote sensing positioning signals are selected and shared with the application structures of aerial sensor coordinator and enhanced 8051 core with the help of CC2430 / 2431 structure, so as to build the hardware execution environment of disaster area positioning system. According to the calculation rule of remote sensing image area, the rotation transformation of rectangular coordinate system is completed, and then the disaster area image processing based on aerial remote sensing is completed by detecting the image edge. On this basis, the regional correction node and remote sensing blind node are set to verify the effectiveness of positioning instructions, and the application of disaster regional positioning system based on aerial remote sensing image is realized by combining the upper hardware structure. The example analysis results show that in the x-axis and Y-axis directions, the physical coordinate values of the disaster area collected by the aerial remote sensing image positioning system are close to the coordinate values of the actual disaster area. Compared with the ZigBee positioning system, it can indeed reduce the error results and realize the accurate positioning of the disaster area.
