Abstract: On the hardware platform with ARM chip as the core, a universal LXI bus module is designed, which can be used as the system bus of multi-frequency high-frequency ground wave radar. It uses AT91RM9200, DM9161 and IDT7028 chips as the hardware basis, Linux operating system as the software platform, and uses the synchronization mechanism of the Linux kernel to ensure the stability of system operation. It adopts full-duplex bidirectional interrupt mode to realize the transmission of a large number of data packets, which meets the interface requirements of the multi-frequency high-frequency ground wave radar bus module, and provides an effective system test solution. The test results show that the LXI bus interface module has good stability and high reliability, and the average network data transmission speed is 45Mb/s, which meets the design requirements of the multi-frequency high-frequency ground wave radar bus module. [Author Abstract]
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