Patent ID: 9310470
Filing Date: 2016-04-12
CPC Classification: G01S

Claim Text:
1. A radar apparatus configured to emit a transmission wave relating to a transmission signal to be frequency-modulated, to receive a reflected wave coming from a target at which the transmission wave is reflected as a reception signal, and to derive target information including at least a transverse distance of the target from peak signals based on the reception signal, the radar apparatus comprising: a derivation unit configured to derive this time-decided transverse distance which is a transverse distance of the target of this time processing, by filtering, with a predetermined filter constant, this time transverse distance which is a transverse distance of paired data of this time processing, obtained by pairing the peak signals, and a predicted transverse distance which is obtained by predicting a transverse distance of the target of this time processing from a previous time-decided transverse distance which is a transverse distance of the target of previous time processing; and a change unit configured to change, when the transverse distance of an object moving target moving in a traveling direction of a vehicle mounted with the radar apparatus and the transverse distance of a specific target which is a target except for the object moving target satisfy a predetermined relation, the filter constant for filtering this time transverse distance and the predicted transverse distance of the object moving target so that a reflection amount of this time transverse distance is reduced in comparison to before the change.