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METHOD OF FORMING DIRECTIONAL PATTERN, RELATIVE GEOMETRICAL CENTRE OF APERTURE OF PHASED ANTENNA ARRAY

机译:相天线阵列孔径方向的相对几何中心的形成方法

摘要

FIELD: physics.;SUBSTANCE: invention relates to electronically steerable phased antenna arrays (PAA), particularly to beam control systems and directional pattern (DP) formation systems. According to the method, the required phase shift φij of a phased antenna array element is calculated by adding components of angular phase deviation φxi, φyj to coordinates of element ij in the aperture of the phased antenna array and individual phase support Fij. The method is distinguished by that, it contains additional components of angular phase deviation calculated for coordinates of the geometrical centre of the aperture of the phased antenna array I(GC), J(GC) with opposite signs to values φxi, φyj respectively, such that, the phase distribution centre of the directional pattern always coincides with the geometrical centre of the aperture of the phased antenna array. The origin of coordinates for calculating required phase shifts φij of phased antenna array elements are selected at the initial section of the aperture of the phased antenna array, for example, at the intersection of the zero row J0 and zero column I0 of the coordinate grid of elements in the aperture.;EFFECT: increased resolution of phased antenna array beam scanning with formation of its directional pattern relative the geometrical centre of the aperture of the phased antenna array.;2 cl, 4 dwg
机译:技术领域本发明涉及电子可控相控天线阵列(PAA),尤其涉及波束控制系统和方向图(DP)形成系统。根据该方法,通过添加角相位偏差φ xi ,φ yj ij 。 Sub>到相控天线阵列的孔径中元素ij的坐标以及各个相位支持F ij 。该方法的特征在于,它包含角相位偏差的其他组件 ,以计算相控天线阵列I( GC ),J( GC )分别具有与φ xi ,φ yj 值相反的符号,从而使得方向性图始终与相控天线阵列孔径的几何中心重合。在相控天线阵列的孔径的初始部分,例如在零行J <的交点处,选择用于计算相控天线阵列元件的所需相移φ ij 的坐标的原点。孔径中元素坐标网格的Sub> 0 和零列I 0 。效果:通过形成相对于几何中心的方向图,提高了相控天线阵列波束扫描的分辨率相控天线阵列的孔径的.. 2 cl,4 dwg

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