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    • 8. 发明授权
    • Radar apparatus provided with a coherent clutter map
    • 雷达装置设有一个相干的杂波图
    • US5311188A
    • 1994-05-10
    • US991588
    • 1992-12-16
    • Wietze J. H. MeijerPetrus N. C. Nooy
    • Wietze J. H. MeijerPetrus N. C. Nooy
    • G01S7/02G01S7/42G01S13/524G01S13/53G01S13/538G01S13/50
    • G01S13/5248
    • A radar apparatus provided with transmitter means (1), rotating antenna means (2) and receiver means (3) for the transmission per burst and the processing in a video processor of radar echo signals. The video processor includes moving target detection unit (4) provided with a doppler filter bank, for instance an FFT processor, and slow moving target detection unit (6), provided with coherent clutter maps, one map for each radar transmitter frequency used. The coherent clutter maps are also used for reducing the clutter strength of radar echo signals which are applied to the moving target detection unit (4), by subtracting the coherent clutter strengths stored in the clutter maps from the radar echo signals.
    • 一种雷达装置,具有发射机装置(1),旋转天线装置(2)和用于每个突发的传输的接收装置(3)以及雷达回波信号的视频处理器中的处理。 视频处理器包括设置有多普勒滤波器组(例如FFT处理器)的移动目标检测单元(4)和提供相干杂波图的慢移目标检测单元(6),所用的每个雷达发射机频率的一个地图。 相干杂波图还用于通过从雷达回波信号中减去存储在杂波图中的相干杂波强度来减少施加到移动目标检测单元(4)的雷达回波信号的杂波强度。
    • 9. 发明授权
    • Search radar system
    • 搜索雷达系统
    • US5311187A
    • 1994-05-10
    • US693767
    • 1991-04-26
    • Peter F. Garside
    • Peter F. Garside
    • G01S7/03G01S7/02G01S13/72G01S13/87
    • G01S13/872
    • A search radar system, is provided which includes at least one search radar device (1) having a primary antenna (2) and at least one secondary radar device (3) having an SSR/IFF antenna (4). The radar devices (1, 3) independently supply plot data from which signals are derived that are each suitable for presentation on a radar display. The antennas (2, 4) are oriented in opposite directions so that the said signals are derived from individual plot data representing successive detections by the respective antennas of the same target which can be individually presented. Hence, the data rate of the radar system is doubled relative to a conventional radar system having a conventional secondary radar device and a conventional antenna system.
    • 提供了一种搜索雷达系统,其包括至少一个具有主天线(2)的搜索雷达装置(1)和具有SSR / IFF天线(4)的至少一个辅助雷达装置(3)。 雷达装置(1,3)独立地提供各自适合于在雷达显示器上显示信号的图形数据。 天线(2,4)以相反的方向定向,使得所述信号是从单独的绘图数据导出的,该曲线数据表示可以被单独呈现的相同目标的相应天线的连续检测。 因此,相对于具有常规二次雷达装置和常规天线系统的常规雷达系统,雷达系统的数据速率是双倍的。