Means for calibrating the elevation and azimuth angles of the scan axis of an antenna
Tracking circuit for following objects through antenna nulls
Antenna tracking system
Three-dimensional electro-optical tracker
Target detector Patent #: 4975705
ApplicationNo. 797653 filed on 11/25/1991
US Classes:342/77, With signal error correction342/62, Missile or spacecraft guidance342/63Aircraft guidance
ExaminersPrimary: Sotomayor, John B.
Attorney, Agent or Firm
International ClassG01S 013/66
AbstractA vehicle mounted radar system has an antenna (12) which rotates about a reference axis (19). During angular movement of the antenna with respect to the reference axis, a radar indicated target azimuth ($c;') is modified to provide a corrected target azimuth ($c;) which is substantially indicative of the actual or true target azimuth. A tracking system (25) uses a predicted radar indicated target position (Pn+1 (x,y)) for target tracking and correlation. The tracking system uses a smoothed target position (STP(x,y)), indicative of actual target position, for providing a visual display (39) of target track.