云南高校图书馆联盟文献共享服务平台- SIGNAL

SIGNAL: 作品数：1261被引量：1960H指数：14; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：施聚生杨志斌于勇贾振华於新建更多>>; 相关机构：西南大学清华大学中北大学东南大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划中国博士后科学基金更多>>

Assessment of the diurnal and semidiurnal signals induced by monument thermal effect with time series of very short GPS baselines: 《Geodesy and Geodynamics》2025年第2期158-171,共14页Kaihua Wang Linsong Yang Shuangping Li Tengxu Zhang Zhao Li Liansheng Deng; the Independent Innovation Project of Changjiang Institute of Survey,Planning,Design and Research Corporation(CX2020z32);This study was also supported by the National Natural Science Foundation of China(Grant Numbers 42204006 and 42104028);the Open Fund of Hubei Luojia Laboratory(Grant Numbers 230100020 and 230100019).; The monument thermal effect(MTE)displacements could result in periodical signals with several mil-limeters magnitudes in the vertical and horizontal GPS position time series.However,the interaction ofvarious origins o...; 关键词：Monument thermal effect Diurnal and semidiurnal signal Very short GPS baseline Monument difference

声音: 《看世界》2025年第7期10-11,共2页; “两个月来唯一的小故障,不严重。”——《大西洋》月刊主编戈德堡3月24日说,他3月11日在通讯应用Signal中收到了美国总统国家安全事务助理迈克尔·华尔兹的入群邀请。后来,他被拉入一个名为“胡塞PC小组”的群聊,群里,副总统万斯、国...; 关键词：SIGNAL 国防部长海格塞斯国家情报总监加巴德

Real-time demonstration of 27.6-Gbit/s 0.3 THz signal wireless transmission over 54 meters based on IM/envelop detection: 《Science China(Technological Sciences)》2025年第4期304-306,共3页Long ZHANG Jianjun YU Min ZHU Zonghui ZHU Xiongwei YANG Jingwen TAN Jianguo YU Junjie DING Jiao ZHANG; supported by the National Natural Science Foundation of China(Grant Nos.61935005,61835002,62305067,62375219 and 62331004);the Natural Science Foundation of Shaanxi Province(Grant No.2023-JC-JQ-58);Innovation Capability Support Program of Shaanxi(Grant No.2021TD-09)。; Terahertz(THz)wireless transmission has been extensively researched and utilized to meet the growing need for large-capacity and long-distance wireless communication services[1].For THz band(0.3-10 THz)communication,m...; 关键词：gbits heterodyne detection wireless transmission complex architecture wireless communication real time demonstration thz signal

Application of EEMD combined with cross-correlation algorithm in Doppler flow signal: 《Journal of Measurement Science and Instrumentation》2025年第1期58-65,共8页SHI Fengdong GONG Ruishi LIANG Tongtong LÜDong; supported by National Natural Science Foundation of China(No.61973234);Tianjin Science and Technology Plan Project(No.22YDTPJC00090)。; To address the issue of low measurement accuracy caused by noise interference in the acquisition of low fluid flow rate signals with ultrasonic Doppler flow meters,a novel signal processing algorithm that combines ens...; 关键词：ultrasonic Doppler flow meter ensemble empirical mode decomposition(EEMD) CROSS-CORRELATION fast Fourier transform(FFT)spectrum analysis energy entropy

Signal estimation bias in x-ray dark-field imaging using dual phase grating interferometer: 《Chinese Physics B》2025年第3期550-558,共9页Zhi-Li Wang Zun Zhang Heng Chen Xin Ge; Project supported by the National Natural Science Foundation of China(Grant Nos.U1532113,11475170,11905041);Anhui Provincial Natural Science Foundation(Grant No.2208085MA18);Fundamental Research Funds for the Central Universities(Grant No.JZ2022HGTB0244)。; In x-ray dark-field imaging using dual phase grating interferometer,multi-contrast signals are extracted from a set of acquired phase-stepping data by using the least-squares fitting algorithm.The extracted mean inten...; 关键词：x-ray imaging dual phase grating interferometer dark-field imaging signal bias

Imaging features and correlation with short-term prognosis in laparoscopic radical resection of colorectal cancer: 《World Journal of Gastrointestinal Surgery》2025年第3期180-189,共10页Ze-Hui Fang Ai-Hua Hao Yuan-Gang Qi; BACKGROUND Colorectal cancer(CRC)is a malignant tumor with high morbidity and mortality rates worldwide.With the development of medical imaging technology,imaging features are playing an increasingly important role in...; 关键词：Colorectal cancer Imaging features Laparoscopic radical resection Short-term prognosis Tumor signal Progno-stic indicators

Signal-Based Trading Strategy for SPY ETF:A Multiple Linear Regression Approach: 《人文与社会科学学刊》2025年第2期180-195,共16页Zhen Zou; This study develops a signal-based trading strategy for the SPDR S&P 500 ETF Trust(SPY)using a multiple linear regression framework to analyze interrelationships between SPY and global equity indices across U.S.,Europ...; 关键词：SPY ETF Signal-based trading strategy Multiple linear regression Global stock indices

Operating-Point Identification from Dimensions of Alternating Signal Based on Incremental Iterative Mapping Mechanism for Analyzing Dynamics of AC Systems: 《CSEE Journal of Power and Energy Systems》2025年第1期163-172,共10页Xiaoming Yuan Sicheng Wang; supported by the National Natural Science Foundation of China under Grant U1866601。; Increasing occurrences of oscillations of unknown mechanisms in today's power systems ask for recalling the first principle of operating.AC systems in general work with all units of supplies and loads to build up inte...; 关键词：AC systems LINEARIZATION operating points SELF-CONSISTENCY signal dimensions small disturbance dynamics

Cross-correlations between signal's components: 《Chinese Physics B》2025年第2期483-494,共12页Quankun Zhao Sen Li Changgui Gu Haiying Wang Huijie Yang; Project supported by the National Natural Science Foundation of China (Grant Nos. 11875042 and 11505114);the Shanghai Project for Construction of Top Disciplines (Grant No. USST-SYS-01)。; Detecting coupling pattern between elements in a complex system is a basic task in data-driven analysis. The trajectory for each specific element is a cooperative result of its intrinsic dynamic, its couplings with ot...; 关键词：coupling structure cross-correlation matrix component correlation network

A Positive Signal: 《China Today》2025年第1期24-27,共4页SONG JIE; China removes last curbs on foreign investment in manufacturing to make the industry high-end,intelligent,and green.IN October,Japanese electronics giant Panasonic Group opened its co-creation center in Shanghai,the g...; 关键词：FINANCE INVESTMENT integrating

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