1998 Vol. 24, No. 2

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Cover Catalogue
1998, 24(2): 3-6.
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1998, 24(2): 6-8.
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1998, 24(2): 9-10.
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1998, 24(2): 11-13.
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1998, 24(2): 13-15.
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1998, 24(2): 15-17.
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1998, 24(2): 18-20.
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1998, 24(2): 20-21.
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1998, 24(2): 22-24.
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1998, 24(2): 25-26.
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The Study of the Reliability of Integrated Automation Systemfor Coal Mine Electrified Wire Netting
CHEN Li-jun, ZHANG Xiao-qiang, WANG Hui
1998, 24(2): 27-28.
<Abstract>(25)
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This paper introduced the compositions of mine used electrified wire netting integrated automation system, analysed and researched the steps to improve the reliability. It is in practice.
1998, 24(2): 28-29.
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The Study of Signal Spectrum Analyzer
ZHANG Jian-ying, SHEN Rong
1998, 24(2): 30-31.
<Abstract>(33)
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The real time signals can be acquired by the computer and A/D data smapled card, we can make use of FFT software to get responding spectrum. It is very simple and can be applied to the analysis and processing of many kinds of signals.
1998, 24(2): 32-33.
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1998, 24(2): 34-35.
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1998, 24(2): 36-38.
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1998, 24(2): 38-39.
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1998, 24(2): 40-41.
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1998, 24(2): 42-43.
<Abstract>(47)
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1998, 24(2): 43-44.
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The Application of Programmable Controller in Belt Conveying System Used in Coal Mine
CUI Lan, LI Yi
1998, 24(2): 45-46.
<Abstract>(23)
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This paper introduced the composition,characteristis and application of the system,in which programmable controllers are applied to centralized monitoring and control for belt conveyor.
Multichannel Data Communication Using Single Chip Computer and MC145027 Decoder
LI Zhong-sha
1998, 24(2): 47-49.
<Abstract>(35)
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A low cost mutilchannel data communication system using single chip computer 8031 and MC145027 decoder is presented.The methods of encode,the design of software and the configuration of hardware are also introduced.
ErrorCorrection Code in Digital Communicatio
XU Ying
1998, 24(2): 49-50.
<Abstract>(20)
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This paper stressly introduced the basic concept,principle and development trend of error correction code in digital communication.
1998, 24(2): 51-52.
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1998, 24(2): 52-53.
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1998, 24(2): 54-54.
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1998, 24(2): 55-56.
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1998, 24(2): 57-58.
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1998, 24(2): 59-60.
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1998, 24(2): 60-62.
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Application of ComboBox Control in Dispatching Report Form Managing System
DENG Shi-jie, ZUO Ming
1998, 24(2): 63-65.
<Abstract>(27)
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This paper briefly introduced the components of access 7.0 combo box control and it’s use. It expounded the techniques that the item is selected by name but stored by code to optimize database performance and that a combo box is synchronized with another combo box to reduce the selecting scope as well as the related properties. It offers some opinions on optimizing performance of combo box control.
1998, 24(2): 65-67.
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1998, 24(2): 68-69.
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