中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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CAS IR Grid
机构
地理科学与资源研究所 [2]
计算技术研究所 [2]
长春光学精密机械与物... [2]
采集方式
OAI收割 [6]
内容类型
期刊论文 [4]
会议论文 [2]
发表日期
2019 [2]
2017 [2]
2009 [1]
2006 [1]
学科主题
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Divergent shifts in peak photosynthesis timing of temperate and alpine grasslands in China
期刊论文
OAI收割
REMOTE SENSING OF ENVIRONMENT, 2019, 卷号: 233, 页码: 14
作者:
Yang, Jilin
;
Dong, Jinwei
;
Xiao, Xiangming
;
Dai, Junhu
;
Wu, Chaoyang
  |  
收藏
  |  
浏览/下载:33/0
  |  
提交时间:2020/05/19
Peak photosynthesis timing
Grassland peak phenology
Photosynthetic seasonality
Gross primary production
Interannual variation
Divergent shifts in peak photosynthesis timing of temperate and alpine grasslands in China
期刊论文
OAI收割
REMOTE SENSING OF ENVIRONMENT, 2019, 卷号: 233, 页码: 14
作者:
Yang, Jilin
;
Dong, Jinwei
;
Xiao, Xiangming
;
Dai, Junhu
;
Wu, Chaoyang
  |  
收藏
  |  
浏览/下载:43/0
  |  
提交时间:2020/05/19
Peak photosynthesis timing
Grassland peak phenology
Photosynthetic seasonality
Gross primary production
Interannual variation
Resilience-Aware Frequency Tuning for Neural-Network-Based Approximate Computing Chips
期刊论文
OAI收割
IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS, 2017, 卷号: 25, 期号: 10, 页码: 2736-2748
作者:
Wang, Ying
;
Deng, Jiachao
;
Fang, Yuntan
;
Li, Huawei
;
Li, Xiaowei
  |  
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2019/12/12
Deep learning
error tolerance
neural network (NN)
timing variation
LAPS: Layout-Aware Path Selection for Post-Silicon Timing Characterization
期刊论文
OAI收割
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, 2017, 卷号: E100D, 期号: 2, 页码: 323-331
作者:
Hu, Yu
;
Ye, Jing
;
Shi, Zhiping
;
Li, Xiaowei
  |  
收藏
  |  
浏览/下载:27/0
  |  
提交时间:2019/12/12
process variation
timing variation
sample
path selection
least square
A sensitive solid-phase time-resolved fluorescence immunoassay apparatus (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:
Song K.-F.
;
Li J.-L.
;
Zhang W.-L.
;
Wang Y.-L.
收藏
  |  
浏览/下载:37/0
  |  
提交时间:2013/03/25
In the device
a He-Ne laser of flash frequency 1-20 Hz was adopted as exciting light source
and three key technical problems have been solved successfully in order to enhance the detecting sensitivity and measuring stability of the device for time-resolved fluorimmunoassays(TRFIA) [1]. The first one is to design optimum exciting optical system
so that the exciting light beam excite the sample most effectively. The second one is to have a project spectrum filter which can reduce the affection of the background light to the photomultiplier tube and also ensure influence of the stray light and mixed diffusion light to the sample fluorescence to the least
the sample fluorescence through the integrating sphere and come to the grating monochromator
The right wavelength will be chosed through changing the angle of incidence of the grating monochromator. The third one is to simulate the principle of sample averaging of BOXCAR averager. In the device
SCM was used as primary controller and CPLD was used as timing controller. Through the preparation process
signal-to-noise ratio(SNR) will be improved
also adjust delay time
ampling frequency and sampling number arbitrarily. By testing
the sensitivity is 10-12mol/L(substance marked by Eu3+)
examination repeat is &le2.5%
examination linearity is from 10 -8mol/L to 10-12mol/L
correlation coefficient is 99.98%(p&le0.01). The instrument is advanced for ultrasensitive detection of antigen and antibody
and solve the tumor
genetic variation
the virus protein detection. 2009 SPIE.
Design of an improved data signal timing for an amorphous silicon active-matrix organic LED display (EI CONFERENCE)
会议论文
OAI收割
ICO20: Display Devices and Systems, August 21, 2005 - August 26, 2005, Changchun, China
作者:
Zhang Z.-W.
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2013/03/25
The most critical issue in the design of an active matrix organic light emitting diode (AM-OLED) display pixel is the pixel to the pixel luminance uniformity. By substituting four-thin film transistor (TFT) pixel circuit for two-TFT pixel circuit
the luminous uniformity has great improved
but it requires more components than the two-TFT pixel circuit. There are some barriers needed to resolve to utilize hydrogenated amorphous silicon transistor to lit OLED
such as low field effect mobility
low output current and threshold voltage shift. In this article
a two-a-Si:H TFT pixel circuit was designed
which consisted of one named switching TFT and the other named driving TFT. The driving TFT gate line structure modified and a data signal timing improved were reported. The modified driving TFT can provide enough current about 30 microampere to lit OLED and the novel data signal timing can provide a constant current to OLED by restraining the driving TFT threshold voltage variation. In the novel data signal timing
the control signals to the driving TFT gate include a data signal and a reverse data signal. The signals alteration is performed either at a frame rate or at a line rate. By experiments
the driving TFT output current value is plotted as a function of the time in different reversed voltage value. When the magnitude of the positive data signal and the negative data signal is equal
the variety of Vth
is smallest
about 1.28V after a fixed stressing time of 1.33104min
which shows the novel data signal timing can improved the driving TFT output-input current stability.