Electronic scanning type radar device
A radar system and electronic scanning technology, which is applied in the field of vehicle electronic scanning radar system, can solve the problems of poor measurement accuracy and achieve the effect of suppressing the influence
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[0067] A first embodiment of the present invention will be described below with reference to the drawings.
[0068] Figure 4 is a block diagram showing an electronic scanning radar system 1 according to an embodiment of the present invention. The radar system 1 is an FM-CW radar system using a transmission signal Tx obtained by applying frequency modulation (FM) to a continuous wave (CW). In addition, the radar system 1 is a DBF radar system in which digital beamforming processing is performed in the receiving array antenna 8 . The radar system 1 is a so-called on-vehicle radar system mounted on a vehicle, and detects, for example, a distance to a vehicle (target) traveling ahead or a relative speed of a vehicle traveling ahead. The detection results of the radar system 1 are used, for example, as information for controlling the running of the vehicle. Microwaves are used as transmitted waves.
[0069] The radar system 1 has a transmitting / receiving section 4 including: a...
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