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科研机构
北京大学 [13]
内容类型
其他 [13]
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2016 [1]
2015 [1]
2014 [3]
2013 [2]
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2008 [1]
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ANOMALY IDENTIFICATION FROM SUPER-LOW FREQUENCY ELECTROMAGNETIC DATA FOR THE COALBED METHANE DETECTION
其他
2016-01-01
Zhao, S. S.
;
Wang, N.
;
Hui, J.
;
Ye, X.
;
Qin, Q.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Electromagnetic
Super Low Frequency
Coalbed Methane
non-Gaussian
Class B model
Least Square Gradient
Adaptive filter
INTERFERENCE
MODELS
SUPER-LOW FREQUENCY ELECTROMAGNETIC NOISE PROCESSING SYSTEM BASED ON ADAPTIVE FILTERING
其他
2015-01-01
Zhao, Shanshan
;
Wang, Nan
;
Chen, Li
;
Hui, Jian
;
Zhang, Chengye
;
Qin, Qiming
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Super Low Frequency
electromagnetic
power frequency
adaptive filter
PASSIVE SUPER-LOW FREQUENCY REMOTE SENSING TECHNIQUE FOR MONITORING COAL-BED METHANE RESERVOIRS
其他
2014-01-01
Wang, Nan
;
Qin, Qi Ming
;
Chen, Li
;
Bai, Yan Bing
;
Zhao, Shan Shan
;
Zhang, Cheng Ye
;
Ren, Hua Zhong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
Coal-bed methane
Super-Low Frequency
dynamic monitoring
electromagnetic radiation
reservoir identification
Low Power Chip-scale CPT Atomic Clock with New Microwave Frequency Modulation Technique
其他
2014-01-01
Xing Cheng
;
Zhang Yaolin
;
Wu Jiutao
;
Zhao Jianye
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
chip-scale
low power
frequency modulation
CPT
50 GHz Optical Frequncy Comb Generation Based on an Optoelectronic Oscillator
其他
2014-01-01
Xie, Xiaopeng
;
Peng, Huanfa
;
Sun, Tao
;
Zhang, Cheng
;
Guo, Peng
;
Zhu, Lixin
;
Hu, Weiwei
;
Chen, Zhangyuan
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/13
Optical frequency comb
phase modulation
optoelectronic oscillator
phase noise
LOW-NOISE
MICROWAVE
COAL-BED METHANE RESERVOIR IDENTIFICATION USING THE NATURAL SOURCE SUPER-LOW FREQUENCY REMOTE SENSING
其他
2013-01-01
Wang, Nan
;
Qin, Qi Ming
;
Xie, Chao
;
Chen, Li
;
Bai, Yan Bing
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/16
Super-Low Frequency (SLF)
Independent Component Analysis (ICA)
Lifting Wavelet Transform
Coal-bed Methane (CBM)
Reservoir identification
BLIND SEPARATION
PROPAGATION
EXPLORATION
INTEGRATING REMOTE SENSING AND SUPER-LOW FREQUENCY ELECTROMAGNETIC TECHNOLOGY IN EXPLORATION OF BURIED FAULTS
其他
2013-01-01
Chen, Li
;
Qin, Qiming
;
Bai, Yanbing
;
Wang, Nan
;
Wang, Jun
;
Chen, Chao
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
Remote sensing
Super-Low Frequency electromagnetic detection
Buried faults
LOCAL OSCILLATIONS IN FINITE DIFFERENCE SOLUTIONS OF HYPERBOLIC CONSERVATION LAWS
其他
2009-01-01
Li, Jiequan
;
Tang, Huazhong
;
Warnecke, Gerald
;
Zhang, Lumei
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/16
Finite difference schemes
high and low frequency modes
oscillations
chequerboard modes
numerical damping
numerical viscosity
relative phase error
modified equation analysis
discrete Fourier analysis
ENTROPY CONDITIONS
MONOTONE SCHEMES
APPROXIMATIONS
EXTREMA
A STUDY ON RECOGNITION CHARACTERIZATION OF PASSIVE SUPER LOW FREQUENCY ELECTROMAGNETIC EXPLORING CURVES OF GOAF
其他
2009-01-01
Qin Qiming
;
Li Baishou
;
Ye Xia
;
Jiang Hongbo
;
Cui Rongbo
;
Tian Wei
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
Super Low Frequency Electromagnetic Exploring
Abandoned mine goaves
Recognition characterization
A capacitor-less low-dropout regulator for SoC with bi-directional asymmetric buffer
其他
2008-01-01
Shen, Liang-Guo
;
Yan, Zu-Shu
;
Zhang, Xing
;
Zhao, Yuan-Fu
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
LOW-QUIESCENT CURRENT
FREQUENCY COMPENSATION
VOLTAGE
AMPLIFIER
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