杂波是雷达信号检测和处理的固有环境，严重影响了雷达低空目标探测与跟踪的性能。
Clutter is connatural condition of signal measuring and processing, which affect the radar's detectability and tracking ability of low-altitude target seriously.
本文以高距离分辨率技术为基础，通过理论分析和仿真，寻找一种解决低空目标探测与跟踪的新途径。
Through theory analysis and simulation, this article presents a new method of low altitude target detection and tracking, based on high distance resolution technology.
分析了超宽带冲激脉冲雷达与连续波雷达的不同的回波特性，指出冲激脉冲雷达对超低空目标探测的潜在优势。
Differences of echo characteristic between impulse radar and continuous wave radar are analyzed, and the potential of UWB impulse for Super-Low-Altitude target-detection is remarked.
它能在任何气候条件下发现目标，并能从雷达地面杂波中探测出低空飞行的飞机。
It can locate targets in all weather conditions and detect low flying aircraft in radar ground clutter.
低空目标的探测与跟踪是雷达所面临的四大难题之一。
Low altitude target detection and tracking is one of the four difficult problems for radar.
高频地波雷达是对海面、低空目标进行超视距探测的重要手段。
High frequency surface wave radar is an important tool of the over horizon detection of sea and low-altitude targets.
合理选择反射区曲线的长度，可减少近地物反射的杂波，提高低空目标的探测能力。
Through selecting appropriate curve length of the reflection surface, it can reduce the reflection clutter of the near ground and improve the detection ability of low altitude.
合理选择反射区曲线的长度，可减少近地物反射的杂波，提高低空目标的探测能力。
Through selecting appropriate the curve length of the reflection surface, it can reduce the reflection clutter of the near ground and improve the detection ability of low altitude.
由于雷达探测存在盲区，低空与超低空飞行的入侵目标给雷达防御系统带来困难与威胁。
Due to the existence of radar blind spot, the invasive goals flying at low altitude and very low altitude will bring problems and threats to the defense radar system.
由于雷达探测存在盲区，低空与超低空飞行的入侵目标给雷达防御系统带来困难与威胁。
Due to the existence of radar blind spot, the invasive goals flying at low altitude and very low altitude will bring problems and threats to the defense radar system.
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