AFDX bus transmission characteristic detection system and method

The invention provides an AFDX bus transmission characteristic detection system, and relates to the technical field of aviation communication, and the system comprises a parameter real-time monitoringunit, an RGLC model construction unit, a bus parameter configuration unit, and a comparison output unit. The parameter real-time monitoring unit is used for acquiring real-time parameters transmittedby the AFDX bus, and acquiring bus configuration parameters for acquiring bus association parameters, wherein the bus association parameters comprise a resistance characteristic relationship, a capacitance characteristic relationship and a conductivity characteristic relationship of AFDX bus transmission; the RGLC model construction unit is used for acquiring transmission characteristics of the twisted pair; and the comparison output unit is used for performing comparison based on the real-time parameters transmitted by the AFDX bus, the resistance characteristic relationship, the capacitancecharacteristic relationshi