查询词典 data mining

This invention discloses a power control method based on mixed automatic retransmitting mechanism in which the user end checks received data packet and to feed back to the base station ACK message if the result is correct, and the base station sends the next data packet according to the emitting power of last data packet, if not, sends back NA CK message and quality information of received data packet, the base station will adjust the transmitting power of retransmitting data packet and retransmits the said data packet to guarantee the retransmitting efficiency of the data packet, reduce resource lost of the system to the ulmost and reduce signal interference among different users.

要约 本发明公开了一种基于混合自动重传机制的功率控制方法，该方法通过用户端对接收到的数据包进行校验，当结果正确时，向基站反馈ACK消息，由基站按照上一个数据包的发射功率发送下一个数据包，否则，向基站反馈NACK消息，以及接收到的数据包的质量信息，基站根据所述数据包的质量信息，调整重传数据包的发射功率，并重新发送所述数据包，采用上述方案对发送失败的数据包重传时根据数据包的总质量信息配以不同的发射功率，从而可以在保证数据包重传效率的基础上，最大限度地减少系统的资源消耗，减少不同用户之间的信号干扰。

An embodiment of the invention discloses an automatic retransmission requesting method in a relay network. The method comprises the following procedures: storing the data and transmitting the data to the receiving end when a relay station RS confirms that the data from the transmitting side is correctly received; returning an affirmative response of the corresponding data to the transmitting side by the RS when the RS confirms that the data corresponding to the response information is correctly received by the receiving end according to the response information from the receiving end; and retransmitting the corresponding data when the RS confirms that the data stored by itself is not correctly received by the receiving end according to the response information.

本发明实施例公开了一种中继网络中的自动重传请求方法，该方法包括：中继站RS确定正确接收到来自发端的数据时，保存所述数据，将所述数据转发给收端；所述RS根据来自所述收端的应答信息，确认所述应答信息对应的数据已被所述收端正确接收，则向所述发端返回对应数据的肯定应答；所述RS根据所述应答信息确定自身已保存的数据未被所述收端正确接收，则向所述收端重传对应数据。

Aiming at the chaos complexity activities which may occur during the evolution process of mining area ecosystem, we emphatically analyze the application of associated dimention judgment method and Lyapunov factor analytic approach based on phase space restructuring technique. We can ascertain whether mining area ecosystem have chaos characteristic or not according to these methods. It has important theory value for complexity research of mining area ecosystem.

其次，针对矿区生态系统演变过程中可能出现的混沌复杂行为，基于相空间重构技术我们重点分析了关联维数判断法和Lyapunov指数分析法的应用，依据这些方法，我们可以定量的判断矿区生态系统是否具有混沌特性，这对于我们进行矿区生态系统的复杂性研究具有重要的理论价值。

Many phenomenon due to deep dip angle coal seam mining are still explained very well. There are a lot of deep dip angle coal seam mining district in China, the problem of miming subsidence is very general, so the research is of theory mining and practical value.

实践中，我国很多矿区有大量的倾斜煤层存在，倾斜煤层开采沉陷与变形预计问题普遍存在，需要我们对这类矿山的地表移动规律问题进行全面研究，因而该项研究具有重要的理论意义和生产实用价值。

The core that resource of asset sex mineral products manages is mining industry management, main task is science, reasonable centrosphere decide and press drain reserve authority of gold of right of how many collection, mining industry uses cost and country the mining industry that contributive perambulate forms counterpoises money paid for something purchased or received for something sold.

资产性矿产资源管理的核心是矿业管理，基本任务是科学、合理地核定并按消耗储量多少收取权利金、矿业权使用费和国家出资勘查形成的矿业权价款。

According to the problem that the industrial feature of mining area and our country mining area appear at present, put forward and analysed mining area to take the action of the road with denotative type and outspread catenary of connotation type industry and significance, analysed technical innovation to be in at the same time catenary of these two kinds of industries is outspread medium action.

根据矿区的产业特征和我国矿区目前出现的问题，提出并分析了矿区走外延式和内涵式产业链延伸之路的作用与意义，同时分析了技术创新在这两种产业链延伸中的作用。

Shandong Qingzhou Hongda dredging machine factory in a professional sand mining machinery, river dredging the pond, Salt Lake mining, iron-Shatti from sales of production equipment manufacturers, adjacent to State Road 309 and Jiqinggaosu roads, transportation is very convenient, founded in 1997 , Over the years I plant to its own product quality and integrity of the business philosophy and friends from various circles of love and support, in Shandong Province became the sand mining machinery in the area of one of the more influential enterprises.

山东青州宏达挖沙机制造厂是专业的采沙机械、河道池塘清淤、盐湖开采、铁沙提取设备的生产销售厂家，毗邻309国道和济青高速公路，交通十分便利，始建于1997年，多年来我厂以自身的产品质量，诚信的经营理念以及各界朋友的厚爱与支持，成为了山东省境内采沙机械领域中较有影响的企业之一。

The results show that coal mining spoils contributed heavy metal pollution of the coal mining soil and heavy metals accumulation is caused by coal mining spoils piled up, catamorphism and eluvium.

由此可见，矿业开采活动对当地土壤重金属含量有一定的贡献，但不同的重金属元素在矿区土壤中的积累表现出差异性。

Various mining type explosion-proof equipments and apparatus, gas alarming apparatus , ventilator and ventilation testing apparatus , mining type wire rope and its flaw detector, mine engine transportation surveillance controlling system, hydraulic pressure supporter, mining type sensor ,breathing protection apparatus, mine escaping/self-saving apparatus, rescuing apparatus, communication apparatus, TV surveillance controlling apparatus, mine safety surveillance controlling system, mine information management system ,dust removing apparatus, mine temperature lowering apparatus, noise-proof apparatus, under-well lighting apparatus, safety sign, exposure suit, safety detecting ,supervising, surveillance controlling technology and apparatus, fire forecasting system, fire fighting apparatus ,tool ,fire engine ,fire extinguisher and so on.

煤矿安全、视频监控、劳动防护、矿山救护与灾害防治技术设备等：各种矿用防爆器材及电器、瓦斯报警设备、风机及通风测试设备、矿用钢丝绳及钢丝绳探伤仪、矿井机车运输监控系统、矿用传感器、呼吸防护设备、矿山逃生/自救设备、抢险装备、通讯设备、电视监控设备、矿山安全监控系统、矿山信息管理系统、除尘设备、矿井降温设施、噪声防护设备、井下照明设备、安全标志、防护服装、安全检测、监测、监控技术及设备、火情预报系统、救火设备、工具、消防车辆、灭火器材、通风、排水等各环节技术装备等。

Base on the summarization of the 50 years safety and high efficient coal mining achievements with hydraulic powered shield supports in Huainan coal mines the paper analyzed the rational layout of the gateway,optimized geometric parameters of thecoal mining face,improvement in potential,reform and invonvation,production process control,mien water and mine fire prevention and control,the siutbal conditions for the pseudo inclined coal mining with flexible shild support and other key technologies.

1概况1956年淮南煤矿先后试验了木结构的平板型、撬板形、"く"形、"人"形，钢结构的弧形、弓形、"く"形、"八"形等掩护支架，通过多次工业性试验并对所试验的掩护支架结构进行了一系列改革和完善，终于形成了目前所用的钢结构八字形掩护支架。以单腿支撑式掩护支架为例，八字形掩护支架是由钢梁、钢丝绳、垫板和绳卡、U形螺栓、扁铁、柱托、滑托板等组成。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。