Technique - 资源检索 - 将博数字资源平台

首页>找到“Technique”相关的4条结果

Ventilation information management of coal mine and visualization technique
关键词：The system of ventilation information management　　Visualization　　Mine safety
The paper analyses the characteristics of mine ventilation system,gas and airflow regularities,discusses the method of visualization about ventilation system and ventilation safety information management,and designs the model of visual system for mine ventilation system.The model designed to actualize the fusion of ventilation and ventilation database,graphic processing of mine ventilation safety information and achieve the aim of visualization.The authors also point out application of visualization technique is one of the ways to solve the problems about safety in the ventilation safety of mines.
Fast Antenna Subset Selection for MIMO Wireless Systems

Along with the multiple-input multiple-output (MIMO) system gains, comes a price in hardware complexity and cost due to multiple RF chains. It is possible to alleviate this cost and at the same time maintain many advantages of MIMO systems by a technique known as antenna selection. In this paper, we propose a new receive antenna selection algorithm which is based on the analysis of the channel capacity. It can achieve very nearly outage capacity with the optimal selection method while keep low computational complexity. Besides, the bit error rate (BER)performance under Space-Time Block Coding (STBC)transmit scheme demonstrates the significant performance of the proposed selection algorithm.
Comparative Research on BPR Methods and Techniques
关键词：Business Process Reengineering　　Comparative Research　　Method　　Technique
Various methods and techniques, such as UML methods, IDEF methods, workflow techniques and so on, have been developed through theoretical research and practical projects in the implementation of BPR. However, many managers or engineers who want to dramatically improve their organizational performance by implementing BPR often get confused by these miscellaneous methods and techniques. They often express difficulties in choosing the very method which is most suitable to their specific situation. In order to facilitate the BPR practitioners get a systematic view on how to reengineer their business process more efficiently, this paper integrates and rearranges the major BPR methods and techniques, analyzes their strengths and weaknesses. This paper also compares these methods and techniques vertically and horizontally in order to figure out the suitable conditions under which they can be employed, as well as the specific areas they are mainly dedicated. It can be served as an aid for practitioners to select proper methods and techniques in the implementation of BPR.
Study on Gas emission Rule and Prevention Technique for Low-Gas Coal Mine LTCC Working Face
关键词：longwall top coal caving working face　　gas　　rules of gas emission　　prevention technique
This paper lays emphasis on the prevention countermeasures of gas of the Longwall Top Coal Caving by the research of the occurrence rules of gas and the research of the rules of the gas emission in the low-gas mine. It brings forward the methods of preventing gas in the operation of the working face and affords the successful experiences in preventing gas effectively so that coal mine could be mined safely.

1/1

栏目导航 