| 基于超宽带技术的相控阵天线单元移相量测试 |
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| 引用本文： | 邱程,付红卫,王欣,向正义.基于超宽带技术的相控阵天线单元移相量测试[J].空军工程大学学报,2013(6):42-45. |
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| 作者姓名： | 邱程 付红卫 王欣 向正义 |
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| 作者单位： | 空军工程大学防空反导学院，陕西西安,710051 |
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| 基金项目： | 陕西省自然科学基金资助项目（2010JQ8007） |
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| 摘 要： | 针对不便于拆卸和分解的相控阵天线单元,设计了一种基于超宽带技术的相控阵天线单元移相量测试方法。将ps级的超宽带信号耦合馈电到天线单元上,通过采样接收输出信号来测试天线单元移相状态,利用时间窗技术对接收信号进行处理,使测试误差减少了一个量级。搭建了超宽带时域测试系统,对相控阵天线单元移相量进行了测试,测试误差在±0.5°,证明了该方法的有效性。
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| 关 键 词： | 超宽带 相控阵天线 移相量 时域测量 |
A Method of Testing the Phase-shifting Steps of Element Based on Ultra-wideband TechnologiesPhased-array Antenna |
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| QIU Cheng,FU Hong-wei,WANG Xin,XIANG Zheng-yi.A Method of Testing the Phase-shifting Steps of Element Based on Ultra-wideband TechnologiesPhased-array Antenna[J].Journal of Air Force Engineering University(Natural Science Edition),2013(6):42-45. |
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| Authors: | QIU Cheng FU Hong-wei WANG Xin XIANG Zheng-yi |
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| Abstract: | A method, based on ultra-wideband technologies, is designed to quickly measure the phase-shifting steps of phased-array antenna element which is inconvenient to demount. By coupling and feeding UWB signals in picoseconds to antenna elements, phase-shifting steps of antenna element can be tested according to sampling echo signals. The use of data processing algorithms, such as window function method, greatly improves the accuracy of the test. A time domain measurement system of UWB used for testing phase-shifting steps of some phased-array antenna element is set up. The simulation is good in agreement with practice, and demonstrates the feasibility of the method in engineering practice. |
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