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Co‑packaged optics(CPO):status,challenges,and solutions

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Frontiers of Optoelectronics 2023年第1期16卷 1-40页

作者： min Tan Jiang Xu Siyang Liu Junbo Feng Hua Zhang Chaonan Yao Shixi Chen Hangyu Guo Gengshi Han Zhanhao Wen Bao Chen Yu He Xuqiang Zheng Da ming Yaowen Tu Qiang Fu Nan Qi Dan Li Li Geng Song Wen Fenghe Yang Huimin He Fengman Liu Haiyun Xue Yuhang Wang Ciyuan Qiu guangcan mi Yanbo Li Tianhai Chang mingche Lai Luo Zhang Qinfen Hao Mengyuan Qin School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China Wuhan National Laboratory for Optoelectronics Huazhong University of Science and TechnologyWuhan 430074China Department of Electronic and Computer Engineering The Hong Kong University of Science and TechnologyHong KongChina HKUST Fok Ying Tung Research Institute Guangzhou 511462China The Hong Kong University of Science and Technology(Guangzhou) Guangzhou 511462China Chongqing United micro-Electronics Center(CUMEC) Chongqing 401332China Hisense Broadband Multimedia Technologies Co. Ltd.Qingdao 266000China Institute of microelectronics Chinese Academy of SciencesBeijing 100029China State Key Laboratory of Superlattices and microstructures Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China School of microelectronics Xi’an Jiaotong UniversityXi’an 710049China Zhangjiang Laboratory Shanghai 201210China The State Key Laboratory of Advanced Optical Communication Systems and Networks Department of Electronic EngineeringShanghai Jiao Tong UniversityShanghai 200240China Huawei Technologies Co. Ltd.Shenzhen 440307China College of Computer National University of Defense TechnologyChangsha 410073China Institute of Computing Technology Chinese Academy of SciencesBeijing 100086China

Due to the rise of 5G,IoT,AI,and high-performance computing applications,datacenter trafc has grown at a compound annual growth rate of nearly 30%.Furthermore,nearly three-fourths of the datacenter trafc resides within *** conventional pluggable optics increases at a much slower rate than that of datacenter *** gap between application requirements and the capability of conventional pluggable optics keeps increasing,a trend that is *** optics(CPO)is a disruptive approach to increasing the interconnecting bandwidth density and energy efciency by dramatically shortening the electrical link length through advanced packaging and co-optimization of electronics and *** is widely regarded as a promising solution for future datacenter interconnections,and silicon platform is the most promising platform for large-scale *** international companies(e.g.,Intel,Broadcom and IBM)have heavily investigated in CPO technology,an inter-disciplinary research feld that involves photonic devices,integrated circuits design,packaging,photonic device modeling,electronic-photonic co-simulation,applications,and *** review aims to provide the readers a comprehensive overview of the state-of-the-art progress of CPO in silicon platform,identify the key challenges,and point out the potential solutions,hoping to encourage collaboration between diferent research felds to accelerate the development of CPO technology.

关键词： Co-packaged optics Silicon photonics High-performance computing Advanced packaging External laser Optical power delivery Co-simulation Standardization Transmitter Receiver

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南水北调工程用全自动防鸟网设计

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机械 2017年第9期44卷 55-56,60页

作者：高广灿李成尚力阳米少伟南水北调中线局南阳管理处河南南阳473000 黄河水利委员会黄河机械厂河南郑州450006 华北水利水电大学机械学院河南郑州450045

根据南水北调工程检修闸门的需要,设计了一种全自动防鸟网。该防鸟网利用门库上方为支承布置轨道,在轨道上方设置钢丝网,钢丝网一端与移动台车连接,另一端采用力矩电机作为驱动动力,通过摆线针轮减速机、磁滞式链轮传动机构进行两级减速... 详细信息

根据南水北调工程检修闸门的需要,设计了一种全自动防鸟网。该防鸟网利用门库上方为支承布置轨道,在轨道上方设置钢丝网,钢丝网一端与移动台车连接,另一端采用力矩电机作为驱动动力,通过摆线针轮减速机、磁滞式链轮传动机构进行两级减速,用刚性联轴器将其与卷筒装置一端联接。驱动卷筒装置正反向旋转,在台车启闭机行走时,将盘绕在卷筒装置上的不锈钢链网进行收放,完成与台车同步的链网收放作业。该防鸟网装置既不改变闸门及其附属部件原有结构,又起到防护作用。

关键词：南水北调工程检修闸门防护全自动防鸟网

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基于哑变量的木荷人工林树皮厚度模型研究

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热带作物学报 2020年第12期41卷 2562-2570页

作者：张伟志吴宏炜黄光灿田意庄崇洋江希钿福建农林大学林学院福建福州350002

在木荷人工林中,基于哑变量模型法构建树皮厚度模型,以提高预测模型参数的稳定性,为木荷人工林出材率计算和经济价值评估方面提供参考依据。基于福建省南平市213块木荷人工林固定样地的调查数据,选取19个包含胸高处、任意高度处、相对... 详细信息

在木荷人工林中,基于哑变量模型法构建树皮厚度模型,以提高预测模型参数的稳定性,为木荷人工林出材率计算和经济价值评估方面提供参考依据。基于福建省南平市213块木荷人工林固定样地的调查数据,选取19个包含胸高处、任意高度处、相对树皮厚度和去皮直径的理论方程作为构建木荷人工林树皮厚度的基础模型,使用R软件进行模型拟合分析,运用决定系数(R2)、均方根误差(Erms)、和方差(Ess)、赤池信息准则(AIC)、贝叶斯准则(BIC)等模型评价指标,结合含熵值的TOPSIS法筛选出拟合度较高的4个基础模型(mi、M10、M12、M16),进一步构建含龄组和立地质量哑变量的木荷人工林树皮厚度模型。用于建模的胸高处样本数为130个,任意高度处、相对树皮厚度和去皮直径样本数为2386个,用于检验模型拟合效果相对应的样本数分别为55个和1013个。结果表明:含龄组哑变量胸高处、任意高度处、相对树皮厚度模型(M20、M22、M25)的R2分别为0.9769、0.9214、0.9111,比基础模型(M1、M10、M12)的R2 (分别为0.6981、0.5540、0.5056)提高了39.9%、66.3%、80.2%,有了明显提升;含龄组哑变量去皮直径模型M27的AIC为21.62,BIC为76.44,比其基础模型M16分别降低了95.8%、85.46%。通过含熵值的TOPSIS法对模型指标综合评价,并经模型配对t检验,这4个含龄组哑变量模型(M20、M22、M25、M27)拟合效果更佳,适合于福建木荷人工林树皮厚度预测。

关键词：树皮厚度哑变量龄组立地质量木荷