中国科学院机构知识库网格系统: 检索

Speech Emotion Recognition Using Cascaded Attention Network with Joint Loss for Discrimination of Confusions 期刊论文 OAI收割
Machine Intelligence Research, 2023, 卷号: 20, 期号: 4, 页码: 595-604
作者: Yang Liu; Haoqin Sun; Wenbo Guan; Yuqi Xia; Zhen Zhao

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收藏 | 浏览/下载：8/0 | 提交时间：2024/04/23

Speech emotion recognition (SER), 3-dimensional (3D) feature, cascaded attention network (CAN), triplet loss, joint loss

基于CAN总线的主动光学镜面位姿驱动系统研究 期刊论文 OAI收割
天文研究与技术/Astronomical Research & Technology, 2021, 卷号: 18, 期号: 03, 页码: 354-361
作者: 肖心怡; 张宗猛; 杨德华; 吴常铖; 金振宇

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收藏 | 浏览/下载：40/0 | 提交时间：2021/07/27

主动光学 CAN总线镜面调整位移促动器

A Many-Objective Optimization Based Intelligent Intrusion Detection Algorithm for Enhancing Security of Vehicular Networks in 6G 期刊论文 OAI收割
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2021, 卷号: 70, 期号: 6, 页码: 5234-5243
作者: Zhang, Zhixia; Cao, Yang; Cui, Zhihua; Zhang, Wensheng; Chen, Jinjun

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收藏 | 浏览/下载：53/0 | 提交时间：2021/08/15

Intrusion detection Security 6G mobile communication Data models Protocols Optimization Encryption Controller area network (CAN) intrusion detection machine learning (ML) many-objective optimization vehicular networks security

Synchronous X-ray/Optical QPOs from the Black Hole LMXB MAXI J1820+070 期刊论文 OAI收割
Monthly Notices of the Royal Astronomical Society, 2021
作者: HXMT

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收藏 | 浏览/下载：52/0 | 提交时间：2022/02/08

black hole physics Low Mass X-ray Binaries accretion accretion discs stars: individual (MAXI J1820+070) Astrophysics - High Energy Astrophysical Phenomena Abstract: We present high-speed optical photometry from SAAO and SALT on the black hole LMXB MAXI J1820+070 (ASSASN-18ey), some of it simultaneous with NICER, Swift and Insight-HXMT X-ray coverage. We detect optical Quasi-Periodic Oscillations (QPOs) that move to higher frequencies as the outburst progresses, tracking both the frequency and evolution of similar X-ray QPOs previously reported. Correlated X-ray/optical data reveal a complex pattern of lags, including an anti-correlation and a sub-second lag that evolve over the first few weeks of outburst. They also show correlated components separated by a lag equal to the QPO period roughly centered on zero lag, implying that the inter-band variability is strongly and consistently affected by these QPOs at a constant phase lag of roughly ±Ю The synchronisation of X-ray and optical QPOs indicates that they must be produced in regions physically very close to each other we thus propose that they can be explained by a precessing jet model, based on analogies with V404 Cyg and MAXI J1348-630.

基于STM32的大口径望远镜温湿度监测系统 期刊论文 OAI收割
电子测量技术, 2020, 卷号: 43, 期号: 16, 页码: 28-31
作者: 王春宇; 张斌; 韩旭; 王春禹; 王一凤

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收藏 | 浏览/下载：48/0 | 提交时间：2021/07/06

望远镜温湿度 STM32F042 SHT25 I~2C总线 CAN总线

基于浮标基的海底观测节点及视频观测研究 学位论文 OAI收割
深海科学与工程研究所: 中国科学院大学, 2020
作者: 汪华灿

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收藏 | 浏览/下载：24/0 | 提交时间：2021/01/15

海底观测节点 CAN总线目标检测图像识别图像压缩

基于CAN总线的主动光学镜面位姿驱动系统研究 期刊论文 OAI收割
天文研究与技术(Astronomical Research & Technology), 2020
作者: 肖心怡; 张宗猛; 杨德华; 吴常铖; 金振宇

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收藏 | 浏览/下载：29/0 | 提交时间：2020/11/04

主动光学 CAN总线镜面调整位移促动器

Palladium-Catalyzed Propargylic [n+2] Cycloaddition: An Efficient Strategy for Construction of Benzo-Fused Medium-Sized Heterocycles 期刊论文 OAI收割
ADVANCED SYNTHESIS & CATALYSIS, 2019, 卷号: 361, 期号: 4, 页码: 836-841
作者: Liu, Zhen-Ting; Hu, Xiang-Ping

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收藏 | 浏览/下载：65/0 | 提交时间：2019/06/20

A regioselective palladium-catalyzed formal [n+2] cycloaddition of propargylic esters as C-2-synthons with various linker-tethered bisphenols for the construction of medium-sized heterocycles bearing an exocyclic double bond has been developed The reaction features mild conditions and broad substrate scopes as well as readily available substrates and catalysts Under optimal conditions various medium-sized heterocycles from eight to eleven-membered rings can be afforded in good to excellent yields and regioselectivities with high Z-selectivity for the exocyclic double bond palladium medium-sized ring propargylic ester bisphenol cycloaddition

Palladium-catalyzed propargylic [n+2] cycloaddition: an efficient strategy for construction of benzo-fused medium-sized heterocycles 期刊论文 iSwitch采集
Advanced synthesis & catalysis, 2019, 卷号: 361, 期号: 4, 页码: 836-841
作者: Liu, Zhen-Ting; Hu, Xiang-Ping

收藏 | 浏览/下载：90/0 | 提交时间：2019/05/08

A regioselective palladium-catalyzed formal [n+2] cycloaddition of propargylic esters as c-2-synthons with various linker-tethered bisphenols for the construction of medium-sized heterocycles bearing an exocyclic double bond has been developed The reaction features mild conditions and broad substrate scopes As well as readily available substrates and catalysts Under optimal conditions Various medium-sized heterocycles from eight to eleven-membered rings can be afforded in good to excellent yields and regioselectivities with high z-selectivity for the exocyclic double bond Palladium Medium-sized ring Propargylic ester Bisphenol Cycloaddition

烟台牟平海洋牧场季节性低氧对大型底栖动物群落的生态效应 期刊论文 OAI收割
生物多样性, 2019, 卷号: 27, 期号: 2, 页码: 200-210
作者: 李宝泉

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收藏 | 浏览/下载：20/0 | 提交时间：2020/06/17

低氧群落结构群落恢复敏感种机会种 hypoxia community structure community recovery sensitive species opportunistic species Hypoxia is a common phenomenon in the world's oceans, especially in the shallow waters of coastal zones. Rates of hypoxia are increasing due to global climatic changes and anthropogenic activities. Hypoxia can cause mass mortality of marine animals and can have severe negative impacts on marine ecosystems. To better understand the effects of hypoxia on macrobenthic communities, a survey was carried out in the Muping Marine Ranch (Yantai) during June, August and September of 2016. Results showed that seasonal hypoxia led to changes in benthic community structure, especially in terms of species composition and dominant species. The dominant species were Polychaeta Lumbrinereis latreilli, Sternaspis scutata and Mollusca Endopleura lubrica in summer. The opportunistic species Lumbrinereis latreilli increased, whereas, sensitive species such as Leptomya minuta, Glycera chirori, Upogebia major, Pontocrates altamarimus, Eriopisella sechellensis decreased during the hypoxic period of August. Hypoxia also reduced biodiversity indices. The effect of hypoxia on abundance and biomass were not significant, mainly because of the increase in the opportunistic Lumbrinereis latreilli, which counteracted the decline in abundance and biomass of other species. Individual physiological tolerance to hypoxia was different among species. Lumbrinereis latreilli showed higher tolerance to hypoxia in dissolved oxygen (DO) = 1.0 mg/L compared to other species. Some sensitive species, such as Leptomya minuta, Upogebia major, Pontocrates altamarimus and Eriopisella sechellensis showed lower tolerance when DO < 2.5 mg/L. When DO increased to 2.5 mg/L, the macrobenthic community start to recover gradually. The recovery extent and time needed were closely related to the degree of seasonal hypoxia.