光学学报, 2016, 36 (7): 0711001, 网络出版: 2016-07-08   

典型衣物的D波段透射率研究

D-Band Transmittance of Typical Clothing
刘杰 1,2,*蒋均 1,2成彬彬 1,2陆彬 1,2经文 2张健 1,2
作者单位
1 中国工程物理研究院微系统与太赫兹中心, 四川 绵阳 621900
2 中国工程物理研究院电子工程研究所, 四川 绵阳 621900
摘要
基于自由空间法,设计研制了一套D波段透射率测试装置,对典型衣服、鞋底及快递包装进行了测试。该测试装置包括D波段矢量网络分析仪、高斯波束天线、双曲透镜、光学导轨以及固定夹具。采用直通反射-传输线(TRL)校准方法和时域门技术,提高了测试准确度,保证数据有效性。对10种厚薄不同的衣服进行了D波段透射率测试,测试曲线趋势与已报道文献结果吻合。对鞋底以及快递包装的透射率进行了测试,获得了与安保场景比较接近的数据,有利于安检系统的设计。
Abstract
Based on the free-space method, a set of D-band transmittance measurement device is designed and developed, and typical clothes, shoes and wrappers are measured by the device. The device consists of a D-band vector network analyzer, two Gauss beam antennas, two hyperbolic lenses, an optical guide and a clamp. The through-reflect-line (TRL) calibration method and the time domain gate technique are adopted to improve the measurement accuracy and guarantee the validity of the data. Ten kinds of clothes with different thickness are measured by the device. The trend of data agrees with the published data well. Furthermore, three kinds of shoes and six kinds of wrappers are measured. The measured results are similar to those obtained by the security system, and are helpful to the design of security systems.
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刘杰, 蒋均, 成彬彬, 陆彬, 经文, 张健. 典型衣物的D波段透射率研究[J]. 光学学报, 2016, 36(7): 0711001. Liu Jie, Jiang Jun, Cheng Binbin, Lu Bin, Jing Wen, Zhang Jian. D-Band Transmittance of Typical Clothing[J]. Acta Optica Sinica, 2016, 36(7): 0711001.

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