FIELD: testing technology; transportation.
SUBSTANCE: invention relates to tests of vehicles. In method of testing systems/devices for calling emergency services of vehicles for susceptibility to electromagnetic field equipped with systems/devices for calling emergency operational services, vehicle is located in area protected from external factors, equipped with a base station simulator configured to generate from the transmitting devices of the GSM standard of the tested emitted signal system by predetermined power test conditions, as well as containing a radio channel of GSM standard, providing simulation of audio communication driver/passenger of vehicle with dispatcher of emergency operations services. In the process of testing communication between the driver/passenger of the vehicle, which is mediated by an audio link, is exchanged between the system/devices tested in the vehicle and the simulator of the basic station. During information exchange between the tested system and the simulator subjective acoustic assessment or measurement and recording of the levels of useful, uniquely identifiable, and noise, induced high-frequency electromagnetic field of GSM transmitting devices, signals detected in the acoustic channel of the tested system/devices for calling emergency operational services. Assessment of susceptibility of systems of calling emergency services of vehicles to effect of electromagnetic interference created by high-frequency electromagnetic field of own transmitting devices, comparing values of useful and noise signals recorded during testing with regulated levels of "signal/noise" ratios.
EFFECT: expansion of functional capabilities due to diagnostics of operability of audio channel of communication of driver/passenger of automatic telephone station with dispatcher of emergency operational services at influence of electromagnetic interferences created by high-frequency EMF of own transmitting devices of systems of call of emergency operational services of automatic telephone station.
1 cl, 1 dwg
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Authors
Dates
2019-10-08—Published
2019-03-29—Filed