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    • 78. 发明授权
    • Radar apparatus
    • 雷达装置
    • US5442362A
    • 1995-08-15
    • US103312
    • 1993-08-09
    • Johan M. C. Zwarts
    • Johan M. C. Zwarts
    • G01S7/295G01S13/10G01S7/04G01S13/66
    • G01S13/10
    • Radar apparatus provided with a signal generator (1), transmitter means (2), antenna means (3), receiver means (4), a video processor (6) and an indication device (7) for the generation of a radar picture of the surroundings of the radar apparatus with a first resolution. A selected target, designated with control unit (8), may be displayed on the indication device (7) with a second, higher resolution. To this end signal generator (1) generates in the direction of the selected target control signals for transmitter (2) with an increased bandwidth. Selection and conversion unit (5) matches echoes of these increased bandwidth signals to the bandwidth of video processor (6) and indication device (7).
    • 具有信号发生器(1),发射机装置(2),天线装置(3),接收装置(4),视频处理器(6)和指示装置(7)的雷达装置,用于产生雷达图像 具有第一分辨率的雷达装置的周围环境。 用控制单元(8)指定的所选择的目标可以以更高的分辨率显示在指示装置(7)上。 为此,信号发生器(1)以增加的带宽在发射机(2)的所选目标控制信号的方向上产生。 选择和转换单元(5)将这些增加的带宽信号的回波与视频处理器(6)和指示装置(7)的带宽相匹配。
    • 79. 发明授权
    • Phased array antenna module
    • 相控阵天线模块
    • US5404148A
    • 1995-04-04
    • US980696
    • 1992-11-24
    • Johan M. C. Zwarts
    • Johan M. C. Zwarts
    • G01S7/02G01S7/28H01Q3/26H01Q13/06H01Q21/00H01Q21/06H01Q23/00H01Q13/00
    • H01Q21/0025H01Q21/064
    • An antenna having antenna modules for an extremely wideband active monopulse phased array system, the modules including a housing provided with four radiators of the rectangular open-ended waveguide type and with an electric circuit. With the antenna modules being suitably stacked, the radiators constitute a substantially continuous antenna surface, the radiators being positioned at the points of intersection of a system of equilateral triangles which make up the antenna surface. After preamplification, phase shift and down-conversion to an intermediate frequency, received signals from a large number of antenna modules are combined to yield a sum beam, an azimuth difference beam and an elevation difference beam.
    • 一种具有用于非常宽带有源单脉冲相控阵列系统的天线模块的天线,该模块包括一个壳体,该外壳设有矩形开放式波导型的四个辐射器和一个电路。 随着天线模块被适当地堆叠,散热器构成基本上连续的天线表面,散热器位于构成天线表面的等边三角形系统的交点处。 在前置放大,相移和下变频到中频之后,来自大量天线模块的接收信号被组合以产生和波束,方位差波束和高差差波束。