|発明の名称||ELECTRONIC SCANNING RADAR APPARATUS AND GONIOMETRIC PROCESSING METHOD|
PROBLEM TO BE SOLVED: To provide an electronic scanning radar apparatus which is provided with a function identical to that of a monopulse system and which reduces the scale of hardware so as to be made low-cost due its reduction.
SOLUTION: From a multipath goniometric processor 6, information on a measuring direction is given to a phase-shift-amount controller 2. Offset amounts in the horizontal direction and the vertical direction of a reception beam with reference to the direction of the measuring center are set. Thereby, in an antenna 1, a phase shift amount with reference to the direction of the measuring center is set in a transmission, and phase shift amounts which are offset in the horizontal direction and the vertical direction are changed over and set sequentially in every PRI with reference to the direction of the measuring center in a reception. A reception signal which is obtained by every PRI is collectively processed by the processor 6, and an error in an angle in a target direction with reference to the measuring center is calculated.
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