| 基于LabVIEW的微波反射率自动测量系统 |
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| 引用本文： | 熊星,江建军,别少伟,贺云,陈立. 基于LabVIEW的微波反射率自动测量系统[J]. 电子测量技术, 2013, 0(12): 76-79 |
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| 作者姓名： | 熊星 江建军 别少伟 贺云 陈立 |
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| 作者单位： | 华中科技大学光学与电子信息学院,武汉430074 |
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| 摘 要： | 基于图形化编程语言LabVIEW,采用弓形测试法,搭建了对频率选择表面（FSS）微波吸收材料的反射率测量系统.整个测量过程在微波暗室中进行.系统主要通过LabVIEW设计的程序由VISA接口控制矢量网络分析仪HP8720ES,实现对测试FSS样品反射参数的数据采集,并由角锥吸波材料反射参数进行参数修正后计算得出测试样品的反射率.本系统的测试结果与NRL测量系统测量结果相比较,具有良好的一致性,表明本测量系统具有典型可靠性,其对FSS微波吸收材料的测量结果能够真实反映材料的吸波性能.
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| 关 键 词： | 弓形法 LabVIEW 反射率 |
Investigation of microwave reflectivity measurement automatic system based on LabVIEW |
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| Xiong Xing,Jiang Jianjun,Bie Shaowei,He Yun,Chen Li. Investigation of microwave reflectivity measurement automatic system based on LabVIEW[J]. Electronic Measurement Technology, 2013, 0(12): 76-79 |
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| Authors: | Xiong Xing Jiang Jianjun Bie Shaowei He Yun Chen Li |
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| Affiliation: | (School of Optical and Electronic Information, Huazhong University of Science and Technology,Wuhan 430074 ,China) |
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| Abstract: | Based on graphical programming language LabVIEW and arch test method,a reflectivity measurement system for microwave-absorbing material of some frequency selective surfaces （FSS） is established. The whole measurement proceeds in a microwave anechoic chamber. Reflection data acquisition for measuring FSS sample is implemented on a vector network analyzer HP8720ES controlled by a LabVIEW program via VISA interface, then the refleetivity of measuring FSS sample is calculated via parameter modification based on pyramid absorber＇s reflection parameters. The result of measuring FSS sample from our system shows a good consistency with that from NRL measurement system, which indicates that the system has a typical reliability and the measured reflectivity can represent the absorbing performance of FSS microwave absorbing material accurately. |
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| Keywords: | arch test method LabVIEW reflectivity |
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