Patent References 3883876 3921169 InventorsAssigneeApplicationNo. 05/804956 filed on 06/09/1977US Classes:342/351, Including a radiometer342/425, Conical scan antenna type342/428With continuously movable antenna patternExaminersPrimary: Wilbur, Maynard R.Assistant: Berger, Richard E. Attorney, Agent or FirmInternational ClassesG01S 7/34 (20060101)G01S 7/36 (20060101) G01S 3/14 (20060101) G01S 3/56 (20060101) G01S 7/285 (20060101) H01Q 3/00 (20060101) H01Q 3/14 (20060101) F41G 7/22 (20060101) F41G 7/20 (20060101) AbstractThe improved radiometric target seeking system incorporates automatic gain control features including phase tracking automatic gain and automatic gain scan amplitude controls in a system which is basically a dual-axis, gimballed, conical-scan radiometric sensor designed to operate in either active or passive modes and to provide angular line-of-sight rate steering signals to guidance control apparatus. Target-derived automatic gain control signals permit separation of desired stationary target signals from significant background clutter, and a unique adaptive processor minimizes degradation of tracking response and accuracy. | |