A Radar Antenna Sidelobe Recognition Algorithm Based on Signal Amplitude and Phase Characteristics
A recognition algorithm and radar antenna technology, applied in character and pattern recognition, computing, computer components, etc., can solve problems such as sidelobe recognition, and achieve simple engineering applications, high recognition accuracy, and good real-time performance
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[0023] According to the algorithm steps 1) to 4) of the present invention are implemented in sequence.
[0024] Algorithm step 3) of the present invention adopts support vector machine to carry out classification training to the feature vector after normalization, wherein the acquisition mode of training sample is preferably to collect experimental sample according to the ballistic guidance method of spiral curve, adopts this sample selection mode to guarantee training sample The comprehensiveness, diversity and correctness of training sample classification, among them, the support vector machine is preferably SVMPerf classification tool, which has high training efficiency.
[0025] The constraint relationship between the values of the main lobe confidence threshold α and the side lobe confidence threshold β in the algorithm step 4) of the present invention is α≥β, -2≤α≤2, -2≤β≤2. When the confidence threshold α of the main lobe is -0.13 and the confidence threshold β of the...
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