| 摘要 |
A vehicle warning system comprises encoder-transmitters in transmitting vehicles and corresponding receiver-decoder-alert subsystems in receiving vehicles. Transmitted signals carry warning information for presentation to drivers of receiving vehicles, preferably including closing velocity and encoded identification of the transmitting vehicles. Warning information may also include estimates of the speed of the transmitting vehicle and of the apparent bearing of the transmitting vehicle relative to each respective receiving vehicle. Warning information is presented via at least two alert modalities. At least one alert modality is presented intermittently, and at least one alert modality is modified when closing velocity is negative. Drivers of receiving vehicles can use this warning information to inform their judgments on safely maneuvering their vehicles to provide needed right-of-way to approaching transmitting vehicles.
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