transponder

n.

发射机应答器，询问机，转发器；

1. Just received your transponder signal.
   刚收到你的应答机信号。

Transponder
Integrated circuit transponder in a pneumatic tire for tire identification
A New Receiver Structure of TT&C Transponder for Pico-Satellite
Passive Integrated Transponders for Marking Free-Ranging Townsend's Ground Squirrels
A Low Power Read/Write Transponder IC for High Performance Identification Systems
Design of code tracking loop for spacecraft TT&C transponder
Fully integrated passive UHF RFID transponder IC with 16.7-/spl mu/W minimum RF input power
Feasibility of using implantable passive integrated transponder (PIT) tags in salmonids
Efforts toward Transmission Experiments Utilizing Transponder of 21-GHz Band on Broadcasting Satellite
Accurate model to predict performance of coherent optical transponder for high baud rate and advanced modulation format