Patent ID: 7148838
Filing Date: 2006-12-12
Classification: G01S,H01Q

Abstract:
1. A method for attaching radar adapted to emit an electric wave from an antenna and to receive a reflection wave of the electric wave, comprising: attaching the radar to a vehicle so that an axis of a directivity pattern of the antenna directs upward with respect to a horizontal direction; and adjusting a posture of the antenna so that a reception level of the reflection wave reflected from an object which is positioned at a predetermined height above a horizontal plane of the antenna is no more than a first predetermined threshold level capable of distinguishing the reflection wave from a noise and/or adjusting the posture of the antenna so that the reception level of the reflection wave reflected from an object which is positioned at a predetermined distance from the antenna is no less than a second predetermined threshold level capable of distinguishing the reflection wave from a noise, wherein: the antenna of the radar has an asymmetric vertical directivity pattern with respect to the axis of the directivity pattern.