| 摘要: |
| 为了研究无源毫米波成像特性,在毫米波辐射计成像系统理论和焦平面线阵扫描体制基础上,开发了3毫米波十六通道的辐射计数据采集与测试系统,给出了详细的硬件设计方案,实现了十六通道数据采集、传输、预处理和成像测试。最后通过成像试验,实现了7秒/帧的成像速率。得出的结论对研究无源毫米波实时成像具有指导意义。 |
| 关键词: 毫米波辐射计,焦平面,数据采集,现场可编程门阵列,模数转换 |
| DOI： |
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| 基金项目:国家自然科学基金 |
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| Design of a Data Collection and Measurement System for 3mm Wave Focal Plane 16-channel Radiometer |
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| Abstract: |
| In order to study the characteristics of passive millimeter wave(PMMW) imaging,based on the millimeter wave(MMW) radiometer theory and focal plane arrays scanning system,a data collection and measurement system for 3 millimeter wave focal plane 16-channel radiometer is developed.The whole hardware design scheme is described.Such functions as data acquisition,transmission,measurement,pre-processing and display are automatically realized.Finally,experimental result shows that the imaging rate is 7 seconds per frame.The conclusion is meaningful for the research of PMMW radiometer. |
| Key words: MMW radiometer,focal plane,data collection,FPGA,A/D conversion |
