GB/T 33012.3-2016: Translated English of Chinese Standard (GBT 33012.3-2016, GB/T33012.3-2016, GBT33012.3-2016): Road vehicles - Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy - Part 3: On-board transmitter simulation
https://www.chinesestandard.net, Sep 2, 2017 - Technology & Engineering - 25 pages
This Part of GB/T 33012 specifies the test conditions, test location, test equipment and test procedure for vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy - on-board transmitter simulation. This Part applies to M, N and O vehicles (regardless of the vehicle power system, e.g. spark-ignition engine, diesel engine, electric motor).
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Annex A informative Typical characteristics of onboard transmitters
Annex B informative Guidance on tuning antennas on the vehicle for minimum VSWR
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ALSE Amplitude Modulation antenna inside base station simulator commercial on-board transmitter commercial portable transmitter DECT defined in Equation defined in GB/T defined in test directional coupler disturbances from narrowband DQPSK duty cycle electrical disturbances Example of test FM CW frequency bands frequency is 1600 frequency is 217 GMSK PM inside the vehicle integral antenna location(s methods for electrical middle frequency narrowband radiated electromagnetic On-board transmitter simulation peak conservation principle Perform the test Phase Shift Keying PM the frequency PM the pulse power meter pulse width QPSK Quadrature Phase radiated electromagnetic energy Road vehicles set-up for commercial set-up for simulated simulated on-board transmitters simulated portable transmitter standing wave ratio Table A.1 TDMA Telegraphy Terrestrial Trunked Radio test locations test plan test set-up transmitters The vehicle Transmitters with antenna UMTS upper band edge vehicle OEM antenna vehicle roof Vehicle test methods VSWR value width is 577