8mm波段被动毫米波接收机设计 |
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引用本文: | 杨永杰,樊建中.8mm波段被动毫米波接收机设计[J].南通大学学报(自然科学版),2008,7(3). |
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作者姓名: | 杨永杰 樊建中 |
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作者单位: | 南通大学,电子信息学院,江苏,南通,226019 |
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基金项目: | 江苏省科技厅社会发展基金,江苏省教育厅青蓝工程项目,江苏省南通市应用研究计划项目 |
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摘 要: | 在叙述被动毫米波成像特性的基础上提出了一种新型的8mm波段直接检波式接收机设计方案.由于设计过程中采用了直接检波式结构,使得该接收机避免了传统超外差式接收机体积大、结构复杂、需要本振等缺点.通过对该设计方案进行测试,结果显示,每级LNA可获得20dB左右的增益,样机检波前总增益为60dB,噪声系数为3.5~4dB,接收机带宽为30GHz左右,证明了方案的可行性.
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关 键 词: | 直接检波式 噪声系数 分辨率 毫米波接收机 被动毫米波 |
Design of 8 mm-Band Passive Millimeter Wave Receiver |
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Authors: | YANG Yong-jie FAN Jian-zhong |
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Institution: | School of Electronics and Information;Nantong University;Nantong 226019;China |
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Abstract: | Since millimeter waves can pierce through the atmosphere and offer moderate horn resolution ratio,the image technique of millimeter waves has been increasingly recognized.On the basis of narrating the systematic structure of passive millimeter wave imaging,a new type of 8mm direct detection architecture receiver is proposed.The receiver in our scheme is designed as the direct detection architecture so that the disadvantages of large volume,complicated structure and need of local oscillator lying in the trad... |
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Keywords: | direct detection noise figure resolution millimeter wave receiver passive millimeter |
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