本文主要研究基于多频和极点特征的高频超视距雷达目标识别方法。
The main motive of this thesis is to investigate target classification of HF over-the-horizon (OTH) radar based on multiple frequency feature and poles.
由于工作在高频段，高频地波超视距雷达的角分辨力较差，尤其是当阵长受限时。
Owing to the decametric wavelength, the angular resolution of High Frequency Surface Wave OTH Radar (HF SWOTHR) is usually coarse especially when dimensions of antenna array are restricted.
高频地波雷达是对海面、低空目标进行超视距探测的重要手段。
High frequency surface wave radar is an important tool of the over horizon detection of sea and low-altitude targets.
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