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CAS IR Grid
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长春光学精密机械与物... [2]
力学研究所 [1]
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OAI收割 [9]
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期刊论文 [7]
会议论文 [2]
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2017 [1]
2015 [2]
2012 [1]
2011 [1]
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Preliminary Design of Pulse Inductor Applied for 100-kA Quench Protection System
期刊论文
OAI收割
IEEE TRANSACTIONS ON PLASMA SCIENCE, 2020, 卷号: 48
作者:
Tong, Wei
;
Li, Chuan
;
Song, Zhiquan
;
Fu, Peng
;
Qian, Chengjin
  |  
收藏
  |  
浏览/下载:140/0
  |  
提交时间:2020/10/26
Inductors
Superconducting magnets
Magnetomechanical effects
Inductance
Stress
Reliability
Strain
Finite-element method (FEM)
pulse inductor
quench protection
双极器件LPNP辐照损伤效应的并行有限元数值模拟
期刊论文
OAI收割
系统仿真学报, 2020, 卷号: 32, 期号: 12, 页码: 2376-2382
作者:
王芹
;
马召灿
;
李鸿亮
;
张林波
;
卢本卓
  |  
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2021/04/26
Zlamal finite element
radiation damage effects
LPNP BJT
parallel simulation
Zlamal有限元
辐照损伤效应
LPNP晶体管
并行数值模拟
Influence of low temperature on the surface deformation of deformable mirrors
期刊论文
OAI收割
Chinese Physics B, 2017, 卷号: 26, 期号: 5, 页码: 054215
作者:
You, Juncheng
;
Guan, Chunlin
;
Zhou, Hong
  |  
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2018/11/20
Actuators - Adaptive optics - Delta modulation - Finite element method - Laser pulses - Mirrors - Optical testing - Piezoelectric actuators - Temperature - Testing - Thermal effects - Thermal expansion
Strain-rate-dependent microplane model for high-rate comminution of concrete under impact based on kinetic energy release theory
期刊论文
OAI收割
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 2015, 卷号: 471, 期号: 2182, 页码: 20150535
作者:
Kirane K
;
Su YW(苏业旺)
;
Bazant ZP
收藏
  |  
浏览/下载:45/0
  |  
提交时间:2016/01/07
projectile impact
dynamic overstress
strain-rate effects
material fragmentation
finite-element simulation
crack band model
Micro-electro-mechanical systems capacitive ultrasonic transducer with a higher electromechanical coupling coefficient
期刊论文
OAI收割
Micro & Nano Letters, 2015, 卷号: 10, 期号: 10, 页码: 4
作者:
Miao, J(苗静)
;
Shen, WJ(沈文江)
;
He, CD
;
Xue, CY
;
Xiong, JJ
收藏
  |  
浏览/下载:88/0
  |  
提交时间:2015/12/31
silicon
elemental semiconductors
silicon-on-insulator
wafer bonding
electromechanical effects
ultrasonic transducers
capacitive transducers
micromechanical devices
micromachining
vibrations
membranes
finite element analysis
reliability
capacitance
electromechanical coupling coefficient
capacitive micromachined ultrasonic transducer
impedance matching
propagation medium
microelectromechanical system capacitive ultrasonic transducer
silicon on insulator
wafer bonding
optimum geometric dimensions
membrane mechanical vibration
electrical characteristics
finite-element analysis
operation mode
device safety
device reliability
equivalent stress
operation-collapse voltage
bottom electrodes
glass substrate surface
parallel parasitic capacitance
Si
SiO2
Fabrication of an oxidation-resistant beta-NiAl coating on gamma-TiAl
期刊论文
OAI收割
Surface & Coatings Technology, 2012, 卷号: 206, 期号: 8-9, 页码: 2454-2458
H. Zhang
;
X. Peng
;
F. Wang
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2013/02/05
Electrophoretic deposition
Hot pressing
Coating
Oxidation
Reactive
element effects
electrophoretic deposition
aluminide coatings
reactive elements
alloy
intermetallics
additions
behavior
compound
scale
air
Design of motion compensation mechanism of satellite remote sensing camera (EI CONFERENCE)
会议论文
OAI收割
International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, May 24, 2011 - May 26, 2011, Beijing, China
Gu S.
;
Yan Y.
;
Xu K.
;
Jin G.
收藏
  |  
浏览/下载:47/0
  |  
提交时间:2013/03/25
With the development of aerospace remote sensing technology
the ground resolution of remote sensing camera enhances continuously. Since there is relative motion between camera and ground target when taking pictures
the target image recorded in recording media is moved and blurred. In order to enhance the imaging quality and resolution of the camera
the image motion had to be compensated. In order to abate the effect of image motion to image quality of space camera and improve the resolution of the camera
the compensation method of image motion to space camera is researched. First
the reason of producing drift angle and adjustment principle are analyzed in this paper. This paper introduce the composition and transmission principle of image motion compensation mechanism. Second
the system adopts 80C31 as controller of drift angle
and adopts stepping motor for actuators
and adopts absolute photoelectric encoder as the drift Angle measuring element. Then the control mathematical model of the image motion compensation mechanism are deduced
and it achieve the closed-loop control of the drift angle position. At the last
this paper analyses the transmission precision of the mechanism. Through the experiment
we measured the actual precision of the image motion compensation mechanism
and compared with the theoretical analysis. There are two major contributions in this paper. First
the traditional image motion compensation mechanism is big volume and quality heavy. This has not fit for the development trend of space camera miniaturization and lightweight. But if reduce the volume and quality of mechanism
it will bring adverse effects for the precision and stiffness of mechanism. For this problem
This paper designed a image motion compensation that have some advantages such as small size
light weight at the same time
high precision
stiffness and so on. This image motion compensation can be applicable to the small optics cameras with high resolution. Second
the traditional mechanism control need to corrected
fitting and iterative for the control formula of mechanism. Only in this way
we can get the optimal control mathematical model. This paper has high precision of the control formula derived. It can achieve the high precision control without fitting
It also simplify the difficulty of control mathematical model establishment. This paper designed the range of adjusting of image motion compensation mechanism between -5 +5. Based on choosing-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+4 as the expectation value of the imaginary drift angle
we get ten groups of the fact data in adjusting drift angle measured. The test results show that the precision of the drift angle control system can be achieved in 1. It can meet the system requirements that the precision of the control system is less than 3'
and it can achieve the high-precision image motion compensation. 2011 SPIE.
The atomic structure and the properties of Ununbium (Z=112) and Mercury (Z=80)
期刊论文
OAI收割
SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY, 2007, 卷号: 50, 页码: 707-715
作者:
Li JiGuang
;
Dong ChenZhong
;
Yu YouJun
;
Ding XiaoBin
;
Fritzsche, S.
  |  
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2018/07/16
super heavy element
atomic structure
relativistic effects
electron correlation effects
MCDF method
Design and analysis of large spaceborne light-weighted primary mirror and its support system (EI CONFERENCE)
会议论文
OAI收割
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies, AOMATT 2007: Large Mirrors and Telescopes, July 8, 2007 - July 12, 2007, Chengdu, China
Yan Y.
;
Jin G.
;
Yang H.-B.
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2013/03/25
With the development of the resolution of spaceborne remote sensor
the diameter of the primary mirror of spaceborne telescope becomes larger and larger. The distortion of primary mirror which is influenced by the mirror material
structure
self-weight
support system and temperature environment affects optical image quality finally. In this paper
an on-axis TMA high-resolution Cassegrain optical payload with a primary mirror whose diameter is 650mm was designed and the effects of the influence factors of the distortion acts on the on-axis TMA optical system primary mirror had been analyzed by means of Finite Element Analysis. During work
the technology of the primary mirror design had been summarized and general consideration of the primary mirror design technology also had been described at the same time. Considering the telescope manufacture and work station
a reasonable and optimal structure of the primary mirror sub-assembly is taken finally. In the end
the distortion of the primary mirror during its fabrication station and work station had been analyzed by integrated Finite Element Analysis Method. The results implicated the synthesis profile error (P-V value) for the primary mirror is less than /10 and all the indexes of the primary mirror satisfy the requirements of the optical system.