Thus, complementary codes are fit for high-frequency surface wave radar.

因此，在高频地波雷达中适合采用互补码信号。

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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.

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。

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Increase of detection range and fast precision tracking are main difficulties in weak aerial target detection for High Frequency Surface Wave Radar (HFSWR).

增大探测距离、快速精确跟踪是高频地波雷达探测飞行小目标所面临的主要困难。

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