METHOD AND SYSTEM FOR REDUCING TRANSMITTER OVERLOADING IN TRANSMISSION SCANNING RECEIVER

摘要

PROBLEM TO BE SOLVED: To reduce transmitter overloading in a transmission scanning receiver by decreasing a transmitter signal that is sent from an overloaded transmitter and received by the transmission scanning receiver. SOLUTION: A part of a transmitter signal obtained from a transmission path 12 and sent on a coupling path 11 is adjusted, injected to a transmission scanning path 16 of a transmission scanning receiver 17, sent from a transmitter 26 and synthesized with the transmitter signal received by the transmission scanning receiver 17. A delay element 24 on the coupling path 11 is sent from the transmitter 26 and used to adjust a delay in the coupling path 11 so as to correspond to a delay of the transmitter signal received by the transmission scanning receiver 17. An amplitude and phase adjustment device 34 on the coupling path 11 adjusts the amplitude and the phase of the transmitter signal on the coupling path 11 to reduce the transmitter signal on the transmission scanning path 16. The measurement of the transmitter signal on the transmission scanning path is used to adjust the phase/amplitude of the signal on the coupling path 11 and to reduce a signal level.