李尚远

个人信息Personal Information

副研究员

硕士生导师

教师拼音名称:Shangyuan Li

学历:博士研究生毕业

在职信息:在职

毕业院校:清华大学

学术论文

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A Segmented Photonic Digital -to -analog Converter with a High Effective Number of Bits

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发表刊物:2019 INTERNATIONAL TOPICAL MEETING ON MICROWAVE PHOTONICS (MWP2019)

摘要:We demonstrate a novel photonic digital-to-analog converter (PDAC) based on a segmented architecture. The segmented PDAC is composed of compounded binary-coded and unary-coded bits, corresponding to a reduced ratio of the most significant hit to the least significant bit compared to a traditional binary PDAC. A proof-of-concept 3 -bit segmented PDAC is built, which shows a greatly improved effective number of bits (ENOB) in a test frequency range of 500 MHz. A maximum ENOB of 2.94 is achieved at 400 MHz. In generating a 4-Gliz linear frequency -modulated radar waveform, a gain of 4 dB in the signal-to-noise ratio (SNR) is obtained with the novel segmented PDAC compared to that with a traditional binary PDAC.

第一作者:Li, Jiading, Xue, Xiaoxiao, Zha, Yu, Wu, Dexin, Li, Shangyuan, Zheng, Xiaoping

论文类型:C

文献类型:Proceedings Paper

页面范围:235

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