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基于光学带通采样的超外差接收机技术研究 被引量:1

Superheterodyne Receivers Based on Optical Bandpass Sampling
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摘要 针对复杂变频环节对传统电子战接收机在体积、重量、成本、结构复杂度等方面的限制,提出了一种基于光学带通采样的超外差接收机架构,利用光学窄脉冲流的频域梳状谱特性实现对大射频带宽内信号的射频直接采样,并进一步对技术原理进行了仿真验证,初步验证了基于光学带通采样的超外差接收机技术的可行性。 A superheterodyne receiver based on optical bandpass sampling is proposed in order to release the restriction of complicated frequency conversion process on electronic warfare(EW) receivers,such as bulk,weight,cost,complexity and so on.The comb-like spectrum of the optical short pulse train is used to perform direct sampling in the whole radio frequency bandwidth.Besides,simulation is carried out to validate the optical bandpass sampling technique,and proves the feasibility of superheterodyne receivers based on optical bandpass sampling.
出处 《电子信息对抗技术》 2013年第4期39-42,共4页 Electronic Information Warfare Technology
关键词 电子战接收机 光学带通采样 射频直接采样 超外差接收机 EW receivers optical bandpass sampling direct sampling superheterodyne receiver
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参考文献8

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