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兰州财经大学机构知识库
Lanzhou University of Finance and Economics. All
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Channel capacity and channel estimation of OFDM ultra-wide-band systems
会议论文
Proceedings - 2012 International Conference on Computer Science and Electronics Engineering, ICCSEE 2012, Hangzhou, Zhejiang, China, 2012-03-23 - 2012-03-25
作者:
Li, Haiyan
收藏
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浏览/下载：128/0
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提交时间：2021/03/24
Bandwidth
Bit error rate
Broadband networks
Channel capacity
Channel estimation
Data communication systems
Data transfer
MIMO systems
Orthogonal frequency division multiplexing
Receiving antennas
Signal receivers
Signal to noise ratio
Transmitters
Wave transmission
Bit error rate (BER) performance
Channel estimation algorithms
High-speed data transmission
Multi-band orthogonal frequency division multiplexing
Multiple input multiple output antennas
Signal-to-noise power ratio
Transmitter and receiver
Ultra Wide Band wireless systems
Greenhouse data acquisition system based on ZigBee wireless sensor network to promote the development of agricultural economy
期刊论文
Environmental Technology and Innovation, 2021, 卷号: 24
作者:
Wang, Zirong
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浏览/下载：77/0
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提交时间：2023/03/06
Informatization
Zigbee
Agricultural technology
Monte Carlo methods
Economic and social effects
Greenhouses
Three term control systems
Data acquisition
Data handling
Energy utilization
Technology transfer
Agricultural development
Agricultural economy
Data acquisition system
Digital greenhouse
Informatization
Processing problems
Smart agricultures
Transmission of data
Evaluation of Economic Development Data Management System Based on Particle Swarm Optimization Algorithm
会议论文
2023 International Conference on Data Science and Network Security, ICDSNS 2023, Tiptur, India, July 28, 2023 - July 29, 2023
作者:
Xu, Zhengwei
;
Kuang, Da
收藏
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浏览/下载：193/0
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提交时间：2023/11/17
Computational efficiency
Economic and social effects
Economics
Particle swarm optimization (PSO)
Regional planning
'current
Calculation data
Calculation speed
Comparative experiments
Data management system
Economic data
Economic development
Particle swarm optimization algorithm
Regional economy
Urban regional economy
Big Data Analysis and Prediction System Based on Improved Convolutional Neural Network
期刊论文
Computational Intelligence and Neuroscience, 2022, 卷号: 2022
作者:
Du, Xuegong
;
Cao, Xiaojun
;
Zhang, Rui
收藏
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浏览/下载：79/0
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提交时间：2023/02/24
Convolution
Distributed database systems
Feature extraction
Cameras
Template matching
Convolutional neural networks
Data mining
Iterative methods
Cloud services
Convolutional neural network
Data analysis system
Distributed data structures
Matching technology
Matchings
Prediction systems
Services combinations
Surrounding environment
Training speed
Bit and power allocation algorithm for OFDM UWB systems
会议论文
Advanced Materials Research, Zhengzhou, Henan, China, 2013-10-19 - 2013-10-20
作者:
Li, Hai Yan
收藏
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浏览/下载：60/0
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提交时间：2021/03/24
Algorithms
Bit error rate
Communication systems
Electronics engineering
Information technology
Orthogonal frequency division multiplexing
Wireless telecommunication systems
Bit and power allocation algorithms
Bit-power allocation
Communication capacity
High transmission rate
Indoor wireless communications
Performance of systems
UWB
Wireless communication system
Structure preserved fast dimensionality reduction
期刊论文
Applied Soft Computing, 2024, 卷号: 162
作者:
Yi, Jihai
;
Duan, Huiyu
;
Wang, Jikui
;
Yang, Zhengguo
;
Nie, Feiping
收藏
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浏览/下载：147/0
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提交时间：2024/07/04
Data reduction
Graph theory
Graphic methods
Matrix algebra
Bipartite graphs
Dimensionality reduction
Dimensionality reduction techniques
Graph-based
High-accuracy
Iterative Optimization
Large scale data
Linear dimensionality reduction
Similarity matrix
Time consumption
A Data Center research based on Cloud computing
会议论文
2011 INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND NETWORK TECHNOLOGY (ICCSNT), VOLS 1-4, Harbin Normal Univ, Harbin, PEOPLES R CHINA, DEC 24-26, 2011
作者:
Xu, Chengjun
;
Duan, Boyu
;
Xu, Huiping
;
Tian, Quanhong
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浏览/下载：115/0
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提交时间：2021/09/09
Cloud computing
data center
High Performance Computing
Security
Clustering by Unified Principal Component Analysis and Fuzzy C-Means with Sparsity Constraint
会议论文
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), New York, NY, United states, 2020-10-02 - 2020-10-04
作者:
Wang, Jikui
;
Shi, Quanfu
;
Yang, Zhengguo
;
Nie, Feiping
收藏
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浏览/下载：147/0
|
提交时间：2021/03/24
Cluster analysis
Fuzzy systems
Iterative methods
Matrix algebra
Parallel architectures
High dimensional data
Iterative optimization algorithms
Low-dimensional spaces
Objective functions
Principal Components
Sparsity constraints
State-of-the-art algorithms
Two-stage algorithm
A robust self-training algorithm based on relative node graph
期刊论文
APPLIED INTELLIGENCE, 2025, 卷号: 55, 期号: 1
作者:
Wang, Jikui
;
Duan, Huiyu
;
Zhang, Cuihong
;
Nie, Feiping
收藏
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浏览/下载：163/0
|
提交时间：2024/12/04
Semi-supervised learning
High-confidence samples
Self-training
Data editing
Hypothesis testing for the identity of high-dimensional covariance matrices
期刊论文
STATISTICS & PROBABILITY LETTERS, 2020, 卷号: 161
作者:
Qian, Manling
;
Tao, Li
;
Li, Erqian
;
Tian, Maozai
Adobe PDF(357Kb)
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浏览/下载：114/8
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提交时间：2021/03/24
Covariance matrix
High-dimensional data
Hypothesis testing
Identity matrix
