초록 ▼

High-frequency signals from an oscillator (10) are transmitted, through a power divider (12) and a switch (14), from transmission antennas (T1, T2, T3). Reflection waves reflected by targets are received by reception antennas (R1, R2) to thereafter be fed via a switch (16) to a mixer (18). The mixer

High-frequency signals from an oscillator (10) are transmitted, through a power divider (12) and a switch (14), from transmission antennas (T1, T2, T3). Reflection waves reflected by targets are received by reception antennas (R1, R2) to thereafter be fed via a switch (16) to a mixer (18). The mixer (18) is supplied with transmission high-frequency signals from the power divider (12) to retrieve beat-signal components therefrom, which in turn are converted into digital signals for the processing in a signal processing circuit 22. The transmission antennas (T1 to T3) and the reception antennas (R1, R2) are switched in sequence whereby it is possible to acquire signals equivalent to ones obtained in radars having a single transmission antenna and six reception antennas.

대표청구항 ▼

[ What is claimed is:] [1.]1. A holographic radar comprising:a plurality of transmission antennas for transmitting a radio wave in accordance with transmission signals to be fed;a switch on the transmitter side for switching said transmission signals and feeding the same to said plurality of transmi

[ What is claimed is:] [1.]1. A holographic radar comprising:a plurality of transmission antennas for transmitting a radio wave in accordance with transmission signals to be fed;a switch on the transmitter side for switching said transmission signals and feeding the same to said plurality of transmission antennas in a predetermined sequence;a plurality of reception antennas for receiving reflection waves of said radio wave transmitted from said plurality transmission antennas; anda switch on the receiver side for switching in sequence a connection of a reception signal received by said reception antennas to a receiver;said plurality of transmission antennas transmitting said radio wave in a time-shared manner, said plurality of reception antennas receiving said reflection wave in a time-shared manner,wherein an interval between said plurality of transmission antennas is determined depending on a number of said plurality of reception antennas.