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长春光学精密机械与物... [2]
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期刊论文 [4]
会议论文 [2]
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Multi-scale ocean dynamical processes in the Indo-Pacific Convergence Zone and their climatic and ecological effects
期刊论文
OAI收割
EARTH-SCIENCE REVIEWS, 2023, 卷号: 237, 页码: 25
作者:
Du, Yan
;
Wang, Fan
;
Wang, Tianyu
;
Liu, Weiwei
;
Liang, Linlin
  |  
收藏
  |  
浏览/下载:35/0
  |  
提交时间:2023/12/13
Indo-Pacific Convergence Zone
Ocean dynamical processes
Ocean circulation
Marine ecological effects
Climate change
Dynamical Channel Pruning by Conditional Accuracy Change for Deep Neural Networks
期刊论文
OAI收割
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 2020, 卷号: 无, 期号: 无, 页码: 无
作者:
Chen, Zhiqiang
;
Xu, Ting-Bing
;
Du, Changde
;
Liu, Cheng-Lin
;
He, Huiguang
  |  
收藏
  |  
浏览/下载:69/0
  |  
提交时间:2021/01/27
Conditional accuracy change (CAC), direct criterion, dynamical channel pruning, neural network compression, structure shaping.
Towards understanding the suppressed ENSO activity during mid-Holocene in PMIP2 and PMIP3 simulations
期刊论文
OAI收割
CLIMATE DYNAMICS, 2019, 卷号: 53, 期号: 1-2, 页码: 1095-1110
作者:
Chen, Lin
;
Zheng, Weipeng
;
Braconnot, Pascale
  |  
收藏
  |  
浏览/下载:27/0
  |  
提交时间:2020/06/05
ENSO amplitude change in mid-Holocene
BJ index
Air-sea feedback
Ocean dynamical processes
Meridional structure change
Changes in alpine wetland ecosystems of the Qinghai-Tibetan plateau from 1967 to 2004
期刊论文
OAI收割
ENVIRONMENTAL MONITORING AND ASSESSMENT, 2011, 卷号: 180, 期号: 1-4, 页码: 189-199
作者:
Zhang, Yu
;
Wang, Genxu
;
Wang, Yibo
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2013/06/25
Alpine wetland
Dynamical change
Spatial pattern
Hydro-ecological function
Qinghai-Tibetan plateau
A high-speed acquisition and processing system of the laser speckle signal on the magnetic fluid (EI CONFERENCE)
会议论文
OAI收割
International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, June 17, 2009 - June 19, 2009, Beijing, China
作者:
Sun Y.
;
Sun Y.
;
Wan Q.-H.
收藏
  |  
浏览/下载:32/0
  |  
提交时间:2013/03/25
In order to achieve the dynamical detection and real-time analysis of the movement status of the magnetic fluid
according to the difficulties of the detection of the magnetic fluid
established a high-speed acquisition and processing system of laser speckle signal on the magnetic fluid. First of all
the FPGA (EP2C8T144C8N) drived the linear array CCD(TCD1501D) to scan in the corresponding time sequence given by the computer
collected the laser speckle interferometric image in rapid change on the surface of the magnetic fluid
which followed the movement of the magnetic fluid
and the signal collected by CCD was converted into the digital data through the high-speed A/D convertor and stored into the internal buffer FIFO of the FPGA
whose width and depth were designed by the user as required. Then
the FPGA sent the digital signal of the laser speckle interferometric images into the computer through the USB2.0 highspeed differential bus
whose transmission rate can reach 480Mb/s in theory. Finally
the distribution of the laser speckle on the magnetic fluid was messy and random
which carried certain information about the surface of the magnetic fluid
based on the theories of the statistic correlation and the subdivision of images
analysing and processing the laser speckle interferometric images
indirectly got the movement status of the magnetic fluid under the electromagnetic field. The experimental results show that: the High Speed Acquisition and Processing System has the advantage of full-court
non-contact
non-invasive
high-precision and high reliability and so on. The detection resolution of high speed acquisition and processing system is superior to 1m and the sample rate is 3Msps
which basically meets the requirements of the magnetic fluid movement state detection. 2009 SPIE.
Using one-dimensional nonlinear photonic crystal for dynamical addressing optical interconnection (EI CONFERENCE)
会议论文
OAI收割
ICO20: Optical Information Processing, August 21, 2005 - August 26, 2005, Changchun, China
作者:
Li C.
;
Wang W.
;
Wang W.
;
Li C.
;
Li C.
收藏
  |  
浏览/下载:42/0
  |  
提交时间:2013/03/25
Optical interconnection is the key technique of high-speed optical information process and optical communication. A lot of approaches for optical interconnection have been proposed since Goodman in Stanford University firstly proposed the optical interconnection for very large scale integrated circuits technology. A dynamical addressing device for optical interconnection was designed and fabricated in this paper. This optical device is based on one-dimensional nonlinear photonic crystal made on the planar waveguide. The nonlinear materials ZnS and ZnSe
which have large nonlinear refractive index coefficients
were alternately deposited on the waveguide to form one-dimensional photonic crystal. The Bragg condition is changed when the input power of the control light increased due to the nonlinear characters of the materials
thus the reflective angle of the signal light can be changed with the input power change of the control light. In our experiment
when increasing the power density of control light from 0 to 2.60X105W/cm 2
the angle of the signal beam can be changed about 20. The interconnection characteristics were investigated in theory and in experiment. The testing data agree well with theoretical predictions. This kind of devices is promising to use in the all-optical interconnection
optical information processing and optical communication.