Radar system, transponder device, method for radar processing and computer readable media

A transponder device arranged in a beacon and for transmitting a response wave upon receiving an electromagnetic wave at a first frequency, comprising:

• a determining module for determining, when receiving the electromagnetic wave at the first frequency, whether the electromagnetic wave at the first frequency is transmitted from a solid-state radar;
• and
• a response wave transmitting module for transmitting a response wave at a second frequency different from the first frequency when the electromagnetic wave at the first frequency is determined to be transmitted from the solid-state radar by the determining module.

Computer readable media configured to store a computer executable program in a non-transitory manner, which upon execution by a processor of a computer causes the computer to perform radar processing on a radar transceiving device equipped in a movable body and for transmitting an electromagnetic wave at a first frequency, and on a transponder device arranged in a beacon and for transmitting a response wave upon receiving the electromagnetic wave at the first frequency, according to a method, comprising:

• causing a computer configuring the transponder device to transmit, when a radar classification of the radar transceiving device is a solid-state radar, a response wave at a second frequency different from the first frequency in response to receiving the electromagnetic wave transmitted from the radar transceiving device;
• and
• causing a computer configuring the radar transceiving device to transmit the electromagnetic wave at the first frequency, receive a radar echo at the first frequency and the response wave at the second frequency, and control to display, on a predetermined radar display unit, locations of the at least beacon and another movable body existing around the movable body, based on the radar echo and the response wave.