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科研机构
北京大学 [16]
内容类型
期刊论文 [11]
其他 [5]
发表日期
2017 [1]
2016 [1]
2015 [1]
2014 [3]
2013 [3]
2012 [2]
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专题:北京大学
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Image pre-processing method for near-wall PIV measurements over moving curved interfaces
期刊论文
MEASUREMENT SCIENCE AND TECHNOLOGY, 2017
Jia, L. C.
;
Zhu, Y. D.
;
Jia, Y. X.
;
Yuan, H. J.
;
Lee, C. B.
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
moving curved interfaces
near-wall PIV measurements
image transformation
adaptive stretching
synthetic particles
INTERROGATION
VELOCIMETRY
TURBOMACHINERY
IMPROVEMENT
TRANSITION
FLOWS
Robust Precise Time Difference Estimation Based on Digital Zero-Crossing Detection Algorithm
期刊论文
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2016
Chen, Zhipeng
;
Li, Zhaohui
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
Digital zero-crossing detection
signal reconstruction
time difference estimation
time interval
ultrasonic flow measurement
SAW FILTER EXCITATION
DELAY
CONVERTER
SYSTEMS
Adaptive General Scale Interpolation Based on Weighted Autoregressive Models
期刊论文
ieee transactions on circuits and systems for video technology, 2015
Li, Mading
;
Liu, Jiaying
;
Ren, Jie
;
Guo, Zongming
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
Autoregressive (AR) model
general scale
interpolation
pixel similarity
CUBIC CONVOLUTION INTERPOLATION
EDGE-DIRECTED INTERPOLATION
IMAGE INTERPOLATION
SIMILARITY
The sensitivity of modulation fidelity on PA envelope variation in OFDM transmitter systems
期刊论文
eurasip journal on wireless communications and networking, 2014
Lei, Yiming
;
Dong, Mingke
;
Jin, Ye
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
Intermodulation distortion
OFDM
Nonlinear power amplifier
LINEARIZATION
AMPLIFIER
A Practical Analysis of Performance Optimization in OSTBC Based Nonlinear MIMO-OFDM Systems
期刊论文
ieee transactions on communications, 2014
Lei Yiming
;
O&apos
;
Jin Ye
;
Droma, Mairtin
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
Power Amplifier
OFDM
MIMO
SEP Optimization
TIME BLOCK-CODES
FADING CHANNELS
DISTORTION
CAPACITY
MODEL
INTER-DEPENDENT RATE-DISTORTION MODELING FOR VIDEO CODING AND ITS APPLICATION TO RATE CONTROL
其他
2014-01-01
Li, Yuan
;
Jia, Huizhu
;
Ma, Pan
;
Zhu, Chuang
;
Xie, Xiaodong
;
Gao, Wen
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Rate control
rate-distortion (R-D) model
video coding
video quality
H.264/AVC
BIT ALLOCATION
QUANTIZATION
H.264/AVC
Rate-Distortion Analysis of Dead-Zone Plus Uniform Threshold Scalar Quantization and Its Application-Part II: Two-Pass VBR Coding for H.264/AVC
期刊论文
ieee transactions on image processing, 2013
Sun, Jun
;
Duan, Yizhou
;
Li, Jiangtao
;
Liu, Jiaying
;
Guo, Zongming
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
H.264/AVC
rate-distortion theory
two-pass rate control
video coding
VIDEO
ALGORITHM
MODELS
Contactless RF MEMS switch using PZT actuation
其他
2013-01-01
Giffney, Tim
;
Yu, Miao
;
Aw, K.C.
;
Zhang, Haixia
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/17
POWER-DISTORTION OPTIMIZATION FOR WIRELESS IMAGE/VIDEO SOFTCAST BY TRANSFORM COEFFICIENTS ENERGY MODELING WITH ADAPTIVE CHUNK DIVISION
其他
2013-01-01
Xiong, Ruiqin
;
Wu, Feng
;
Fan, Xiaopeng
;
Luo, Chong
;
Ma, Siwei
;
Gao, Wen
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
wireless visual communication
SoftCast
power allocation
transform coefficients modeling
optimization
VISUAL COMMUNICATION
A Universal Rate Control Scheme for Video Transcoding
期刊论文
ieee transactions on circuits and systems for video technology, 2012
Xu, Long
;
Kwong, Sam
;
Wang, Hanli
;
Zhang, Yun
;
Zhao, Debin
;
Gao, Wen
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/12
Bitrate adaption
rate control
video transcoding
window-level rate control
H.264/AVC
MPEG-2
ARCHITECTURES
COMPENSATION
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