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oe1(光电查) - 科学论文

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  • [IEEE 2019 IEEE Globecom Workshops (GC Wkshps) - Waikoloa, HI, USA (2019.12.9-2019.12.13)] 2019 IEEE Globecom Workshops (GC Wkshps) - Improving QKD for Entangled States with Low Squeezing via Non-Gaussian Operations

    摘要： This study investigates standard and regional algal pigment index 1 (API1) estimates in the Atlantic off the southwestern Iberian Peninsula. Standard API1 data are those delivered by the Medium Resolution Imaging Spectrometer (MERIS) orbiting sensor. Equivalent quantities are computed by applying a regional inversion scheme using as input both MERIS and in situ remote sensing re?ectances (Rrs). Reference data for the development of the regional algorithm and for the analysis of tested products include ?eld measurements of total concentration of chlorophyll a (TChla) and coincident Rrs values collected at different distances from the coast. Validation results, based on matchup analysis, identi?es a systematic overestimation of standard API1 versus the reference TChla values. The additional comparison of product maps in selected regions of interest con?rms this tendency and demonstrates the feasibility and relevance of using regional algorithms for investigating spaceborne products. Analogous applications are hence devised for the early-stage evaluation of the forthcoming Sentinel-3/OLCI data products.

    关键词： remote sensing re?ectance,Medium Resolution Imaging Spectrometer (MERIS) algal pigment index 1 (API1),ocean color,multilayer perceptron (MLP) neural nets

    更新于2025-09-19 17:13:59

  • Display Technology 2019: Never a Dull Moment

    摘要： This study investigates standard and regional algal pigment index 1 (API1) estimates in the Atlantic off the southwestern Iberian Peninsula. Standard API1 data are those delivered by the Medium Resolution Imaging Spectrometer (MERIS) orbiting sensor. Equivalent quantities are computed by applying a regional inversion scheme using as input both MERIS and in situ remote sensing re?ectances (Rrs). Reference data for the development of the regional algorithm and for the analysis of tested products include ?eld measurements of total concentration of chlorophyll a (TChla) and coincident Rrs values collected at different distances from the coast. Validation results, based on matchup analysis, identifies a systematic overestimation of standard API1 versus the reference TChla values. The additional comparison of product maps in selected regions of interest confirms this tendency and demonstrates the feasibility and relevance of using regional algorithms for investigating spaceborne products. Analogous applications are hence devised for the early-stage evaluation of the forthcoming Sentinel-3/OLCI data products.

    关键词： ocean color,remote sensing re?ectance,Medium Resolution Imaging Spectrometer (MERIS) algal pigment index 1 (API1),multilayer perceptron (MLP) neural nets

    更新于2025-09-16 10:30:52

  • [IEEE 2018 IEEE Photonics Conference (IPC) - Reston, VA, USA (2018.9.30-2018.10.4)] 2018 IEEE Photonics Conference (IPC) - 10-Gb/s Transmission Over 10-m SI-POF with M-PAM and Multilayer Perceptron Equalizer

    摘要： We demonstrate the gigabit-per-second transmission over a step-index plastic optical fiber (SI-POF) of 10-m length with a pulse-amplitude modulation (PAM). A multilayer perceptron-based equalizer is used to mitigate an intersymbol interference and non-linearity in the system. Using this equalizer with 32-PAM, a data rate of 10 Gb/s is achieved over the 10-m SI-POF at a bit error rate of 10?2, which is below the 20% forward error correction limit.

    关键词： multilayer perceptron (MLP),Polymer optical fiber (POF),pulse amplitude modulation (PAM),decision feedback equalizer,non-linearity

    更新于2025-09-04 15:30:14