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介绍了广泛应用于现代民用客机上的商业标准数字总线 ( CSDB)协议 ,并重点分析了 CSDB总线信号测试的硬件结构和软件设计。测试设备基于 PC1 0 4工业控制平台 ,可作为飞机外厂维修的便携式测试仪器。
The commercial standard digital bus (CSDB) protocol, which is widely used in modern civil aircraft, is introduced, and the hardware structure and software design of CSDB bus signal testing are mainly analyzed. Test equipment based on PC1 0 4 industrial control platform can be used as a portable aircraft maintenance testing equipment.