| 摘要 |
PROBLEM TO BE SOLVED: To improve detection performance by limiting a searching covering area by a firearm control means in a specific narrow range on the basis of the output of an electron support measure means(ESM). SOLUTION: An own plane starts searching from about -60 degrees of frontward, and an electron beam is searched clockwise. Since the radiating electric wave of the firearm control radar 1 of a target is detected by ESM 2 of the own plane from the azimuth of about +30 degrees, ESM 2 analyzes the signal, and a degree of danger is judged. In the case where the degree of the danger is low, searching is continued as it is, and in the case where the degree of the danger is high, a covering area limit controller 3 limits the searching covering area of the firearm control radar 1 only in the neighborhood of the electric wave incoming azimuth of the target. In other words, the covering area of the electron beam, for instance, is limited to the azimuth of±10 degrees from the azimuth of about +30 degrees. Furthermore, the covering area limit controller 3 controls the firearm control radar 1, and important scanning is performed in the margin of the number of a few times by the firearm control radar 1 in the covering area of the narrow range of about +30±10 degrees. Thereby an analyzing information amount increases, and the detection probability of the target improves.
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