Patent ID: 8362946

Claim:
A short range millimeter wave imaging radar system comprising: A) a frequency scanned millimeter wave surface imaging radar system mounted on the vehicle, said radar system comprising: 1) electronics adapted to produce millimeter wave radiation scanned over a frequency range of a few gigahertz, 2) a frequency scanned transmit antenna adapted: a) to produce a narrow scanned transmit beam in a first scanned direction defining a narrow approximately one dimensional electronically scanned field of view corresponding to the scanned millimeter wave frequencies, and b) to be mechanically pivoted or scanned in a second direction perpendicular to the first scanned direction so as to define a two-dimensional field of view of a surface region, 3) a frequency scanned receive antenna co-located or approximately co-located with said transmit antenna and adapted to produce a narrow scanned receive beam in a first scanned direction defining a narrow approximately one dimensional electronically scanned field of view approximately co-directed in the same directions as the transmitted beam in approximately the same one dimensional and two dimensional fields of view as the transmit antenna, 4) electronics adapted to detect millimeter wave radiation collected by the frequency scanned receive antenna, and 5) computer processor equipment adapted determine location of targets located on the surface region based on millimeter wave radiation reflected from the targets and collected by said receive antenna.