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Research on the Servo Technique of High Precision Light Beam in the Air Laser Communication System

Author: RenBin
Tutor: ZuoShouFeng
School: Changchun University of Science and Technology
Course: Instrument Science and Technology
Keywords: Space laser communications ATP subsystem Fine tracking unit PZT driver Intelligent digital control
CLC: TN929.1
Type: Master's thesis
Year: 2011
Downloads: 71
Quote: 0
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Abstract


Communication distance , speed , capacity , and reliability of the communication quality requirements and continuously improve communication technologies along with rapid development , compared with the RF communications , space laser communication with a large - capacity , wide bandwidth , anti-jamming , anti- intercept capability , safety and reliability of characteristic , there is great potential for development and space , is bound to become one of the important means of future communications . In order to ensure the smooth progress of the space laser communication , not only have good communication subsystem performance , and more importantly, the long - established ATP subsystems maintain a communication link . In this paper, intelligent digital control unit at the key technology of the precision tracking unit in ATP subsystems and precision requirements , the focus servo choice of wide resonance frequency of the beam , based on the APEX PA93 high-speed , high-voltage , broadband PZT drive design based on DSP2811 the four aspects of the design , and system tracking accuracy to do a more in-depth analysis and research . And depends on the the indoor ATP system simulation platform, the performance of the entire design of the verification, the application of the technology to meet the communication system tracking accuracy of the conclusions in 3╬╝rad .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Lightwave communications, laser communications
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