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The weak frequency anomaly detection method of atomic clocks based on Kalman filter and extrapolation-accumulation
期刊论文
MEASUREMENT & CONTROL, 2021, 页码: 11
作者:
Yan, Ran
;
Liu, Junliang
;
Wu, Jianfeng
;
Xu, Chao
;
Hu, Yonghui
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2021/11/29
Frequency anomaly
atomic clock
Kalman filter
extrapolation-accumulation
chi-square statistics
Hybrid Approach to Document Anomaly Detection: An Application to Facilitate RPA in Title Insurance
期刊论文
International Journal of Automation and Computing, 2021, 卷号: 18, 期号: 1, 页码: 55-72
作者:
Abhijit Guha
;
Debabrata Samanta
收藏
  |  
浏览/下载:35/0
  |  
提交时间:2021/02/23
Anomaly detection
title insurance
autoencoder
one-class support vector machine (OSVM)
term frequency – inverse document frequency (TF-IDF)
robotic process automation
dimensionality reduction
Uncombined precise point positioning with triple-frequency GNSS signals
期刊论文
Advances in Space Research, 2019, 卷号: Vol.63 No.9, 页码: 2745-2756
作者:
Jiancheng Li
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  |  
浏览/下载:32/0
  |  
提交时间:2019/04/24
Global Navigation Satellite System
Uncombined PPP
Third frequency
Phase anomaly
Inter-frequency biases
Uncombined precise point positioning with triple-frequency GNSS signals
期刊论文
ADVANCES IN SPACE RESEARCH, 2019, 卷号: 63, 期号: 9
作者:
Cao, Xinyun
;
Li, Jiancheng
;
Zhang, Shoujian
;
Kuang, Kaifa
;
Gao, Kang
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  |  
浏览/下载:21/0
  |  
提交时间:2019/12/05
Global Navigation Satellite System (GNSS)
Uncombined PPP
Third frequency
Phase anomaly
Inter-frequency biases
Detecting an atomic clock frequency anomaly using an adaptive Kalman filter algorithm
期刊论文
Metrologia, 2018, 卷号: 55, 期号: 3
作者:
Song,Huijie
;
Dong,Shaowu
;
Wu,Wenjun
;
Jiang,Meng
;
Wang,Weixiong
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  |  
浏览/下载:62/0
  |  
提交时间:2021/11/29
atomic clock
Kalman filter
frequency anomaly
adaptive factor
chi-square statistics
Uncombined precise point positioning with triple-frequency GNSS signals
期刊论文
Advances in Space Research, 2018
作者:
Jiancheng Li
;
Qingzhi Zhao
;
Hu Hong
;
Kang Gao
;
Xinyun Cao
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2019/04/22
Global
Navigation
Satellite
System
uncombined
PPP
third
frequency
phase
anomaly
inter-frequency
biases
Temporal and Spatial Variability of Droughts in Southwest China from 1961 to 2012
SCI/SSCI论文
2015
作者:
Huang Y. H.
;
Xu, C.
;
Yang, H. J.
;
Wang, J. H.
;
Jiang, D.
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  |  
浏览/下载:16/0
  |  
提交时间:2015/12/09
droughts
Southwest China
precipitation anomaly index
drought
frequency
standardized precipitation index
patterns
station
Anomaly detection of rolling elements using fuzzy entropy and similarity measures
会议论文
作者:
Wong, M.L.D.
;
Lee, S.H.
;
Nandi, A.K.
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  |  
浏览/下载:3/0
  |  
提交时间:2019/12/10
Abnormal conditions
Anomaly detection
Diagnostic ability
Frequency domains
Machine condition monitoring
Predictive maintenance
Real-time computations
Similarity measure
Time-frequency Properties of Gas-bearing Reservoir
学位论文
: 中国石油大学(北京), 2012
作者:
Bai Lina
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  |  
浏览/下载:4/0
  |  
提交时间:2020/01/03
Time Frequency Analysis
Attribute Properties
High Value Anomaly
Low Value Anomaly
Quality Factor
Annual and interannual variations of sea-level anomaly in the Bay of Bengal and the Andaman Sea
期刊论文
ACTA OCEANOLOGICA SINICA, 2007, 卷号: 26, 期号: 6, 页码: 13-29
作者:
Yun, Qiu
;
Li, Li
;
Weidong, Yu
;
Jianyu, Hu
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2019/08/19
Bay of Bengal
sea-level anomaly
low-frequency variation
satellite altimeter
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