| 摘要 |
A multi-functional radar transponder functions as SART in an emergency condition and as monitor, GPS receiver and VHF transceiver for non-emergency conditions. The radar transponder has an antenna including a SART antenna, a GPS antenna and a Marine VHF antenna. The radar transponder further includes a SART circuit with a monitor output device for monitoring a radar signal, and transfer switches for transferring a monitor process in a normal mode to a responding process in an emergency mode, and vice versa. The GPS antenna closes to a position parallel to the SART antenna in the normal mode and opens vertically against the SART antenna in the emergency mode. The Marine VHF antenna locks the GPS antenna together with the SART antenna for preventing a false emergency response in the normal mode and unlocks the SART antenna for an emergency response in the emergency mode.
|
