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SIGMOID: 作品数：182被引量：546H指数：14; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关作者：于舒娟王浩杜高明张多利宋宇鲲更多>>; 相关机构：大连理工大学南京邮电大学四川大学东南大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家教育部博士点基金国家重点基础研究发展计划中央高校基本科研业务费专项资金更多>>

基于四分位数和Sigmoid改进模型的风电数据清洗方法: 《电力科学与工程》2025年第3期55-62,共8页宫永立王玉超刘志文陆旭峰骆可; 新疆维吾尔自治区重大科技专项基金资助项目(2022A01007-6)。; 风电机组实际运行工况复杂,导致所采集的风功率数据中存在大量异常点,不利于功率曲线准确拟合。为解决该问题,分析了风速-功率散点的分布特征、所有异常点产生原因及分布情况,并在此基础上应用了四分位法对稀疏异常点进行剔除。针对结...; 关键词：风功率数据四分位法 Sigmoid改进模型目标函数高斯牛顿法 LM优化算法数据清洗

Rare large sigmoid hamartomatous polyp in an elderly patient with atypical Peutz-Jeghers syndrome:A case report: 《World Journal of Gastrointestinal Surgery》2025年第3期406-414,共9页Zhe-Sen Tian Xiao-Peng Ma Hong-Xun Ruan Yang Yang Ya-Lei Zhao; Supported by Medical Science Research Program of Hebei Province,No.20250060.; BACKGROUND Peutz-Jeghers(PJ)syndrome(PJS)is a rare autosomal dominant genetic disease characterized by the association of intestinal polyposis,mucosal skin pigmen-tation,and cancer susceptibility.PJS patients have a s...; 关键词：Peutz-Jeghers syndrome Sigmoid colon Large isolated colonic polyp Skin pigmentation Case report

改进的ST-GCN单人姿态估计算法研究: 《计算机技术与发展》2025年第1期61-66,共6页史健婷王印冉詹怀远; 2023年度黑龙江省属高校基本科研业务费项目(2023-KYYWF-0547)。; 近年来,单人姿态估计广泛应用在各个领域,降低单人姿态估计算法对标记数据的依赖同时提高其准确率是计算机视觉中一个具有挑战但是十分重要的课题。针对此问题,该文提出一种改进的时空图卷积神经网络(Spatio-Temporal Graph Convolution...; 关键词：计算机视觉改进的时空图卷积神经网络模型融合 SimAM ReLU6-Sigmoid

基于广义循环相关熵的改进MSK载波估计方法研究: 《信号处理》2024年第12期2116-2125,共10页孔垚付天晖; 国家自然科学基金(42174051)。; 针对甚低频通信中常用的最小频移键控(Minimum shift keying,MSK)信号在传输过程中由于雷击引起的强脉冲性的噪声干扰,原有的基于广义循环相关熵的估计算法对这种强脉冲噪声的抑制性能下降,导致载波参数估计能力的退化甚至失效的问题,...; 关键词：脉冲噪声广义循环相关熵 ALPHA稳定分布 SIGMOID 载波估计

Microscopic Structure of the Sigmoido-Jugular Junction in the Third-Trimester Fetus: 《Open Journal of Modern Neurosurgery》2024年第4期267-274,共8页Léon Boukassa Ruth Ibara Wame Bejart Evayoulou-Kouamvi Fabien Gaël Mouamba Oldany Lizen Mozoma Eloge Mbongo Backobi; Context and Justification: The sigmoido-jugular junction connects two structures of different compositions and has a complex organization. The sinusoidal portion of its endothelium contains muscle cells in adults. Is ...; 关键词：Sigmoido-Jugular Junction Venous Drainage Sigmoid Endothelium Smooth Muscle Cells

基于用户响应意愿度三维Sigmoid云模型的电动汽车优化调度策略被引量：2: 《中国电机工程学报》2024年第22期8874-8883,I0015,共11页葛晓琳胡文哲符杨曹士鹏; 国家自然科学基金项目(52077130);上海市青年科技启明星计划(21QA1403500);上海绿色能源并网工程技术研究中心(13DZ2251900)。; 电动汽车(electric vehicle,EV)车主响应调度的意愿存在较大的不确定性,这给电动汽车的优化调度带来巨大的挑战。为此,该文提出一种基于用户响应意愿度三维Sigmoid云模型的分时段EV优化调度策略。首先,根据Hampel准则分析各历史日EV充...; 关键词：电动汽车 Sigmoid云模型优化调度响应意愿

Automatic road extraction framework based on codec network: 《Journal of Measurement Science and Instrumentation》2024年第3期318-327,共10页WANG Lin SHEN Yu ZHANG Hongguo LIANG Dong NIU Dongxing; supported by National Natural Science Foundation of China(No.61864025);2021 Longyuan Youth Innovation and Entrepreneurship Talent(Team),Young Doctoral Fund of Higher Education Institutions of Gansu Province(No.2021QB-49);Employment and Entrepreneurship Improvement Project of University Students of Gansu Province(No.2021-C-123);Intelligent Tunnel Supervision Robot Research Project(China Railway Scientific Research Institute(Scientific Research)(No.2020-KJ016-Z016-A2);Lanzhou Jiaotong University Youth Foundation(No.2015005);Gansu Higher Education Research Project(No.2016A-018);Gansu Dunhuang Cultural Relics Protection Research Center Open Project(No.GDW2021YB15).; Road extraction based on deep learning is one of hot spots of semantic segmentation in the past decade.In this work,we proposed a framework based on codec network for automatic road extraction from remote sensing imag...; 关键词：remote sensing image road extraction ResNet34 U-Net channel attention mechanism sigmoid loss function

Aggressive fibromatosis of the sigmoid colon:A case report: 《World Journal of Gastrointestinal Oncology》2024年第8期3716-3722,共7页Pan-Pan Yu Xin-Chun Liu Lu Yin Guang Yin; Supported by Hangzhou Health Science and Technology Program,No.A20210271.; BACKGROUND Aggressive fibromatosis(AF),also known as desmoid tumor or desmoid-type fibromatosis,is a rare soft tissue neoplasm that can occur in almost any part of the body.Although it is a benign disease,AF is aggres...; 关键词：Aggressive fibromatosis Desmoid tumor Sigmoid mass Subepithelial tumor Case report

Sigmoid Micro-Perforation and Pelvic Abscess Masquerading as Hyperactive Delirium: 《Case Reports in Clinical Medicine》2024年第8期315-320,共6页Samer Alkhuja Susheer Gandotra Hirenkumar Faldu Pravinkumar Patel Olutunde Odeyemi; Diagnoses Background: Delirium is a common finding in elderly patients with sepsis. Early identification of the cause of delirium and treatment is important to avoid any worsening of mental or physical status. Sepsis ...; 关键词：DELIRIUM DEMENTIA Colon Perforation Sepsis DIVERTICULOSIS

Research on the Control Strategy of Micro Wind-Hydrogen Coupled System Based on Wind Power Prediction and Hydrogen Storage System Charging/Discharging Regulation: 《Energy Engineering》2024年第6期1607-1636,共30页Yuanjun Dai Haonan Li Baohua Li; the Key Research&Development Program of Xinjiang(Grant Number 2022B01003).; This paper addresses the micro wind-hydrogen coupled system,aiming to improve the power tracking capability of micro wind farms,the regulation capability of hydrogen storage systems,and to mitigate the volatility of w...; 关键词：Micro wind-hydrogen coupling system ultra-short-term wind power prediction sigmoid-PSO algorithm adaptive roll optimization predictive control strategy

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