• 天线结构简单具有极化特性

    The array is of simple structure, low sidelobe level and circular polarization characteristics.

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  • 计算机模拟结果达到低旁尤其是旁瓣的效果。

    The simulated result indicated that the sidelobe especially the first sidelobe is depressed.

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  • 阵列天线中重点研究具有特性共心圆环分形阵。

    This paper focuses on the concentric ring fractal array of the low side lobe characteristics in fractal antenna arrays.

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  • 最后通过计算机仿真给出了不同相对带宽条件下旁瓣特性再现图象,结果是满意的。

    Some examples of the lower sidelobe levels and the image reconstruction with different relative bandwidths are shown by computer simulation. We are satisfied wit...

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  • 阵天线通过可以实现适应波束波束,并通过对移相器、衰减器的控制实现波束扫描

    Equipted with it, phased array radar could have Adaptive beam, lower Side-lobe beam and beam scanning.

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  • 介绍了设计衍射光学元件方法用于设计低旁毫米波衍射天线基本设计思想、设计结果应用前景

    The basic idea, the result and the application prospects of the design of sidelobe depressed dielectric diffraction antenna using the diffraction optics elements designing method were introduced.

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  • 文中设计了一种加扼流环的圆锥喇叭作为抛物面的馈源,实现成本的高增益、的收发天线系统。

    A corrugated conical horn antenna with high-gain and low-sidelobe feeding the paraboloidal reflector antenna to reduce the cost is designed.

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  • 结论显示:偏角馈入抛物面天线中心入抛物面天线抑制方面优势,在做仰角扫描时不会产生远旁瓣回波;

    It is concluded that an offset feed parabolic antenna has the advantage in side lobe suppression over central feed parabolic antenna.

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  • 原有方法相比,获得更高分辨率电平,幅二维isar图像进行处理证明了这种方法的正确性

    The modified method has higher resolution and lower sidelobe levels than the original method. The correctness of this method is proved by using a real ISAR image.

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  • 选用方向性好、增益高、反射器天线作为论文的研究重点

    The emphasis in this paper was corner reflector antenna with high-gain, narrow beam and low side-lobe.

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  • 克服了经典匹配滤波相关存在大的相关、很大的相关带宽效率等缺点

    Optical joint transform correlation can recognize automatically, overcome the drawback of filter-based correlator, and it is suitable for real-time processing, can achieve better recognition result.

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  • 克服了经典匹配滤波相关存在大的相关、很大的相关带宽效率等缺点

    Optical joint transform correlation can recognize automatically, overcome the drawback of filter-based correlator, and it is suitable for real-time processing, can achieve better recognition result.

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