FIELD: antenna engineering for various radio systems. SUBSTANCE: wide-band directive antenna that may be used as self-contained device or as radiator of complex antenna assemblies has planar reflecting screen and zigzag-shaped radiating sheet degenerated into ring filled with two metal quadrants with power supply points 6 in their apexes and notches in the form of segments formed by arches of radius R = 0,18λmax and chords running at distance l = 0,15λmax from power supply points; side surfaces of one metal quadrant are connected to surfaces of other metal quadrant, which is mirror image of the former, through resistors of 100-200 Ohms at points spaced l = 0,15λmax apart from power supply points. Narrow strip conductor, d = 0,06λmax wide and S = (0,03-0,05)λmax long, where P = 0,25λmax is maximal wavelength of operating frequency band, is installed in front of zigzag-shaped radiating sheet at distance λmax along axis crossing its power supply points symmetrically to its geometric center. EFFECT: improved stabilization of antenna directivity pattern in operating frequency band.
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机译：领域：各种无线电系统的天线工程。实质：可用作定向天线或复杂天线组件的辐射体的宽带定向天线具有平面反射屏和锯齿形辐射片，该辐射片退化成环状，并填充有两个金属象限，其顶点分别具有电源点6和半径为R = 0,18＆ Sub> max 的拱形和与电源点之间的距离为l = 0,15＆ Sub> max 的弦形成的分段形式的槽口;一个金属象限的侧表面通过100-200欧姆的电阻在与功率隔开的l = 0,15＆ Sub 的点上连接到另一金属象限的表面，后者是前者的镜像。供应点。窄带状导体，d =0,06λ max 宽，S =（0,03-0,05）λ max 长，其中P =0,25λ max 是工作频带的最大波长，安装在之字形辐射片的前面，沿与电源点对称且与几何中心对称的轴交叉的距离 max 。效果：改善了工作频带中天线方向性图的稳定性。
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