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oe1(光电查) - 科学论文

4 条数据
?? 中文(中国)
  • [IEEE 2019 IEEE/CVF International Conference on Computer Vision Workshop (ICCVW) - Seoul, Korea (South) (2019.10.27-2019.10.28)] 2019 IEEE/CVF International Conference on Computer Vision Workshop (ICCVW) - Adaptive Ptych: Leveraging Image Adaptive Generative Priors for Subsampled Fourier Ptychography

    摘要: An instrumentation, measurement post-processing technique is presented to characterize transmitters by multiple input multiple output (MIMO) Volterra series. The MIMO Volterra series is decomposed as the sum of nonlinear single-variable self-kernels and a multi-variable cross-kernel. These kernels are identified by sample averages of the outputs using inputs of different sample periodicity. This technique is used to study the HW effects in a RF MIMO transmitter composed by input and output coupling filters (cross-talk) sandwiching a non-linear amplification stage. The proposed technique has shown to be useful in identifying the dominant effects in the transmitter structure and it can be used to design behavioral models and compensation techniques.

    关键词: linearization,concurrent,MIMO Volterra series,MIMO,digital predistortion,behavioral modeling,Amplifiers

    更新于2025-09-19 17:13:59

  • [IEEE 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC) - Chicago, IL, USA (2019.6.16-2019.6.21)] 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC) - Performance of Soiled PV Module Technologies: Behavior Based on Controverted Parameters

    摘要: An instrumentation, measurement post-processing technique is presented to characterize transmitters by multiple input multiple output (MIMO) Volterra series. The MIMO Volterra series is decomposed as the sum of nonlinear single-variable self-kernels and a multi-variable cross-kernel. These kernels are identified by sample averages of the outputs using inputs of different sample periodicity. This technique is used to study the HW effects in a RF MIMO transmitter composed by input and output coupling filters (cross-talk) sandwiching a non-linear amplification stage. The proposed technique has shown to be useful in identifying the dominant effects in the transmitter structure and it can be used to design behavioral models and compensation techniques.

    关键词: linearization,digital predistortion,MIMO Volterra series,MIMO,concurrent,Amplifiers,behavioral modeling

    更新于2025-09-19 17:13:59

  • [IEEE 2019 Chinese Automation Congress (CAC) - Hangzhou, China (2019.11.22-2019.11.24)] 2019 Chinese Automation Congress (CAC) - The Photovoltaic Intelligent Grid-connection System Based on Module Cascade Topology

    摘要: An instrumentation, measurement post-processing technique is presented to characterize transmitters by multiple input multiple output (MIMO) Volterra series. The MIMO Volterra series is decomposed as the sum of nonlinear single-variable self-kernels and a multi-variable cross-kernel. These kernels are identified by sample averages of the outputs using inputs of different sample periodicity. This technique is used to study the HW effects in a RF MIMO transmitter composed by input and output coupling filters (cross-talk) sandwiching a non-linear amplification stage. The proposed technique has shown to be useful in identifying the dominant effects in the transmitter structure and it can be used to design behavioral models and compensation techniques.

    关键词: MIMO Volterra series,MIMO,digital predistortion,behavioral modeling,linearization,Amplifiers,concurrent

    更新于2025-09-16 10:30:52

  • 166 Gbps data rate for underwater wireless optical transmission with single laser diode achieved with discrete multi-tone and post nonlinear equalization

    摘要: In this paper, we experimentally demonstrate a 450-nm laser underwater wireless optical transmission system by using adaptive bit-power loading discrete multi-tone (DMT) and Volterra series based post nonlinear equalization. Post nonlinear equalization mitigates the nonlinear impairment of the UWOC system. By incorporating post nonlinear equalization with a 3rd-order diagonal plane kernel, the received signal-to-noise ratio (SNR) can be improved by ~2 dB compared with a linear equalization method. The measured transmission capacity of the UWOC system is 16.6 Gbps over 5 m, 13.2 Gbps over 35 m, and 6.6 Gbps over 55 m tap water channel, with bit error rates (BERs) below the standard hard-decision forward error correction (HD-FEC) limit of 3.8 × 10?3. The used electrical signal bandwidth is 2.75 GHz, corresponding to electrical spectrum efficiency of ~6 bit/s/Hz. The distance-datarate product reaches 462 Gbps*m at 35 m tap water transmission. To the best of our knowledge, both the data rate and distance-data rate product are the largest reported for single laser diode.

    关键词: Volterra series,discrete multi-tone,underwater wireless optical communication,high-speed transmission,post nonlinear equalization

    更新于2025-09-16 10:30:52