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兰州理工大学 [3]
长春光学精密机械与物... [3]
清华大学 [2]
北京航空航天大学 [2]
西安交通大学 [1]
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期刊论文 [6]
会议论文 [5]
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High-performance fully differential photodiode amplifier for miniature fiber-optic gyroscopes
期刊论文
OPTICS EXPRESS, 2019, 卷号: 27, 页码: 2125-2141
作者:
Zhang, Shaobo
;
Zhang, Chunxi
;
Pan, Xiong
;
Song, Ningfang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2019/12/30
Bandwidth
Capacitance
Differential amplifiers
Feedback amplifiers
Fiber amplifiers
Fiber optics
Operational amplifiers
Photodiodes
Bandwidth limitation
Bandwidth requirement
Coupled interferences
Fully differential
Miniature fiber optic gyroscopes
Op-amp instrumentation amplifiers
Parasitic capacitance
Photodiode capacitance
Gyroscopes
Energy-Efficient Resource Allocation for MIMO-OFDM Systems Serving Random Sources With Statistical QoS Requirement
期刊论文
IEEE TRANSACTIONS ON COMMUNICATIONS, 2015, 卷号: 63, 页码: 4125-4141
作者:
She, Changyang
;
Yang, Chenyang
;
Liu, Lingjia
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2020/01/06
Energy efficiency
statistical QoS requirement
queue length based resource allocation
effective capacity
effective bandwidth
Performance analysis and demo software design for optical modulation schemes
会议论文
Xi'an, China, July 26, 2013 - July 28, 2013
作者:
Jia, Kejun
;
Ci, Qingyu
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2020/11/15
Graphical user interfaces
Light modulation
MATLAB
Optimal systems
Software design
Bandwidth requirement
Digital modulations
MATLAB GUI
Modulation parameters
Performance analysis
Performance indices
Performance parameters
Theoretical derivations
Physical layer design for free space optical communication (EI CONFERENCE)
会议论文
2012 International Conference on Control Engineering and Communication Technology, ICCECT 2012, December 7, 2012 - December 9, 2012, Shenyang, Liaoning, China
Wang H.
;
Guo J.
;
Wang T.
;
Zhang Q.
;
Shao J.
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2013/03/25
A small size Free Space Optical Communication System is introduced
including the hardware and the hardware specified physical layer protocol. In detail
the rapid synchronization method to reduce the handshake bandwidth requirement is demonstrated. The hardware of the system includes the laser driver system
the signal amplifying and shaping system
the data interface system. The hardware specified physical layer protocol is used to interface the outer data
serialize and deserialize the data stream
check transmission errors and schedule the data transmission. The overall system is a FIFO-like system and the user can use it as if he's operating a FIFO. The system is designed mainly for terrestrial FSO link whose signal channel is the atmosphere. Due to the complex composition and activity of the atmosphere
this signal channel brings in great influence on the transmitting laser in it
for example
the absorption and scattering of the atmosphere molecules and aerosols
the scintillation of received laser power caused by the turbulence of the atmosphere
all of which results in a much higher Bit Error Rate (BER) of the communication system than wired communication systems leading to frequent resynchronization. In our system
the sampling clock is generated locally using multi-phase sampling technique rather than PLLbased clock recovery
which helps to rapid synchronization. 2012 IEEE.
A bandwidth aware multi-path routing protocol in mobile Ad Hoc networks
期刊论文
Journal of Computational Information Systems, 2011, 卷号: 7, 期号: [db:dc_citation_issue], 页码: 685-696
作者:
Yang, Wenjing
;
Yang, Xinyu
;
Liu, Guozheng
;
Dong, Chiyong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/10
Available bandwidth
Bandwidth aware
Bandwidth requirement
Cross-layer
End to end delay
End-to-end throughput
Limited bandwidth
Multi path routing
Multimedia applications
Multimedia traffic
Multipath routing protocols
Multiple-path
Non interference
Optimal performance
Packet delivery ratio
Parallel path
Parallel transmission
Principal factors
Routing discovery
Simulation result
Traffic flow
Design of optical integrated access network based on EPON
会议论文
作者:
Peng, Duo
;
Zhang, Peng
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  |  
浏览/下载:6/0
  |  
提交时间:2020/11/15
Bandwidth
Fiber to the x
Optical fibers
Optoelectronic devices
Access network
Access network design
Bandwidth requirement
Communication quality
EPON
Integrated access
Network configuration
Service requirements
Two-level cross-talked admission control mechanism for QoS guarantee in 802.11e EDCA
期刊论文
2010, 2010
Niu Zhisheng
;
Liu Jing
收藏
  |  
浏览/下载:3/0
Design implementation of integrated computing model based on thin-computing
期刊论文
2010, 2010
Gao Qian
;
Wang Hui-yong
;
Zhang You-hui
收藏
  |  
浏览/下载:4/0
Design and analysis of power system of micro-electromechanical actuator (EI CONFERENCE)
会议论文
2010 2nd International Conference on Industrial Mechatronics and Automation, ICIMA 2010, May 30, 2010 - May 31, 2010, Wuhan, China
Han X.
;
Liu B.
;
Zhang J.
;
Jia H.
;
Ge W.
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2013/03/25
In order to apply the electromechanical actuator to tactical mini-missiles
maximum rotational speed of output shafts is greater than 250/s. Test results basically correspond to the requirement of technical indexes. It is proved that this analysis and design method is congruent with the design of micro-electromechanical actuators
this paper researches on the key technology such as load-bearing ability
the system bandwidth can reach 25.3Hz on the condition of no load and 23.4Hz on the condition of load
thus the method is feasible. 2010 IEEE.
rapidity and miniaturization of the micro-electromechanical actuator power system based on the ball screw. First
according to specific technical indexes
the power
electromechanical time constant and the size of the motors are screened originally through theoretical analysis. Finally
based on the characteristics of ball screw transmission
load locus of the micro-electromechanical actuator dynamic system is theoretically analyzed and the optimum speed ratio is determined through parameter optimization. The results of the double closed loop controlled test on the principle prototype show: the system can operate normally with 2.5N.m hinge moment
Modulation technologies under weak atmospheric turbulence channel
期刊论文
Zhongguo Jiguang/Chinese Journal of Lasers, 2009, 卷号: 36, 期号: 3, 页码: 569-573
作者:
Jia, Kejun
;
Xue, Jianbin
;
Peng, Duo
;
Zhang, Xijun
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2020/11/14
Amplitude shift keying
Atmospheric structure
Atmospheric thermodynamics
Bandwidth
Errors
Optical communication
Optical signal processing
Photons
Atmospheric turbulence channels
Bandwidth requirement
Digital modulations
Modulation technologies
Packet error rates
Slot synchronization
Wireless optical communication
Wireless optical communication systems
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