An Integrated Communication System Based on Personnel Orientation in Mine;
一种基于人员定位的矿井综合通信系统
With the problems of incomplete communication function and complicated techniques and realization in mine,an wire- less communication system based on personnel orientation is developed.
近年来,煤矿高瓦斯矿井的数量在不断增加,矿难频频发生;为了有效进行矿工管理,保证抢险救灾、安全救护的高效运作,很有必要在矿井下建立人员定位系统;针对目前矿井井下通信系统功能不完善,技术与实现复杂的现状,设计了一种基于井下人员定位的无线通信监控系统;阐述了基于单片射频收发芯片nRF9E5的无线传输系统的结构功能及工作原理,提出了系统的硬件设计、软件流程以及可靠的通信协议;实践表明,该系统控制简单,使用方便,工作稳定性很高,能够在井下可靠地实现点对多点的无线通信。
There are many kinds of jamming in the mine environment,and in particular,the electromagnetic jamming exercises a great influence on the personnel orientation system.
矿井中存在的电磁干扰严重影响了井下人员定位系统的无线传输,针对此问题,提出了利用nRF905芯片及多频道跳频技术来提高井下人员定位系统的抗干扰能力,并对该定位系统的结构功能、工作原理、硬件设计及软件流程做了说明和介绍。
This paper introduces the application of RFID technology in the personnel positioning in the well, and expounds the principles of the system and the design of software and hardware.
介绍了射频识别(RFID)技术在井下人员定位中的应用,阐述了系统的原理及软硬件的设计。
The application of the ZigBee technology in the personnel positioning system of underground coal mines is described,and the clustering protocol is analyzed in detail.
文章在分析矿井下通信技术和现有井下人员定位系统的基础上,阐述了新兴的ZigBee无线通信技术在井下人员定位系统中的应用,重点讨论和分析了组团协议。
The paper mainly introduced the characteristic of ZigBee technology and its application of envi-ronmental monitoring and personnel positioning in the mine.
本文介绍了ZigBee技术的特点及其在矿山环境监测和人员定位中的应用,阐述了在矿山中应用ZigBee技术的关键问题,包括建立定位网络、建立移动目标的无线身份码和移动目标位置的确定。
Giving these two major predicaments, university s moral education should establish the idea of "personality standard ".
文章通过对这两大困境的归因性思考 ,提出高校德育树立“人格本位”的教育观念。
Frome the point of historical development,We have analysed four kinds of ideas of high vocational education,that are intellectual standard,capable standard,personality standard and quality standard .
从历史发展的角度出发,对知识本位、能力本位、人格本位和素质本位四种职业教育理念进行分析,探讨和思考未来高等职业教育人才培养目标及其发展趋势。
This paper proposes a new method of face localization in complex poses.
本文研究了复杂多变人脸的检测和定位问题,提出了一种新的基于对称特征的人脸定位方法。
Studying on the relevant foreign literature,this paper holds that the development of sick status in from dependence to diversity,and in the influence of the consumerism,sicks have tend to be consumers.
对国外医患互动中病人地位的相关文献进行了梳理,认为总的研究路径为:从病人依赖、受支配地位向病人地位的多元化发展,并且在消费者权利保护主义影响下,病人有转变为消费者的趋向。
A noblewoman of varying status or rank.
贵妇人位于各种位置或地位的贵族妇女
The people revered the saint.
人们崇敬这位圣人。
Both Mrs. Grey and the other driver,
格瑞夫人及那位驾车人,
fracture of spine by holding on back
脊椎骨折人背人复位
The old man' s days are numbered.
这位老人不久于人世了。
The people said that this Blairaux was a lucky fellow.
人们说这位布莱罗是位走运的人。
Fools are put in many high positions, while the rich occupy the low ones.
就是愚昧人立在高位.足人坐在低位。
A person of eminence or high rank.
显贵,显要人物地位显赫或居高位的人
A person of equal status or rank; a peer.
地位相同的人相同状态或地位的人
A person of high rank or position.
职位高的人有高官或地位的人
The old woman was dressed as a young lady.
这位老妇人打扮得像一位年轻人。
"The foolish are placed in high positions, but men of wealth are kept low."
就是愚昧人立在高位。富足人坐在低位。
A seat occupied by a person in an official capacity.
公务员席位担任政府职位的人所拥有的席位
Hog the fire, ie sit in front of it so that others do not feel the heat
霸占烤火位置(坐的位置挡住他人烤火)
She gave up her seat to an old man.
她把座位让给了一位老人。
Will you please give your seat to this old man?
请把你的座位让给这位老人好吗?
The young man gave up his seat to an old man.
那年青人将座位让给一位老大爷。
The king conferred knighthoods onseveral distinguished men.
国王授与好几位杰出人士爵士勋位。