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On the design of a planar phased array radar antenna architecture for space debris situational awareness

机译:用于空间碎片态势感知的平面相控阵雷达天线架构设计

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摘要

The Space Situational Awareness (SSA) program from the European Space Agency (ESA) protects Europe's citizens and their satellite-based services by detecting space hazards. ESA Ground Systems (GS) division is currently designing a phased array radar composed of thousands of radiating elements for future stages of the SSA program [1]. The radar shall guarantee the detection of most of the Low Earth Orbit (LEO) space debris, providing a general map of space junk. While range accuracy is mainly dictated by the radar waveform, the detection and tracking of small objects in LEO regimes is highly dependent on the angular accuracy achieved by the smart phased array antenna, demonstrating the important of the performance of this architecture.
机译:欧洲太空总署(ESA)的太空态势感知(SSA)程序通过检测太空危险来保护欧洲公民及其卫星服务。 ESA地面系统(GS)部门目前正在为SSA计划的未来阶段设计由数千个辐射元件组成的相控阵雷达[1]。雷达应保证能检测到大多数低地球轨道(LEO)空间碎片,并提供太空垃圾的总图。虽然距离精度主要由雷达波形决定,但在LEO体制中对小物体的检测和跟踪高度依赖于智能相控阵天线所达到的角度精度,这说明了该架构的性能至关重要。

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