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所属行业:信息传输、软件和信息技术服务业

  • 36501.基于商业智能的预测发展的一种方法论

    [信息传输、软件和信息技术服务业] [2014-07-18]

    Based on different methodologies,we have developed a new methodology that synthesizes,accelerates and opfimizes the application of Adaptive Business Intelligence (ABI) in medicine,genomics,pharmaceuticals and other related sciences This methodology-in its final phaseculminates in a stage called "Predictive Software Development",where the model obtained may be used to generate a prediction oriented appfieation that can be implemented in different programming languages.The work presents the methodology and also the steps followed in the development of a predictive application for self-adapting environments for a particular case study of hypothyroidism.
    关键词:方法论;商业智能;预测性应用;自适应
  • 36502.电网灾难性事故的智能新风险自动预警系统

    [信息传输、软件和信息技术服务业] [2014-07-18]

    According to the theory of complex network and risk assessment,a intelligent risk automatic warning system of catastrophic accident based on conditional risk function is presented.The warning system introduces electrical betweenness and conditional risk expectations to overcome the insignificance of traditional risk assessment which only considered the status of grid and N-1 accident.A risk index system of catastrophic accident is constructed which reflects the risk of grid when it is current and in the next level of fault and portrays the trend of spreading to the catastrophic.The simulation results prove that this method which the new system use can identify the risks effectively.Consequently it provide effective reference information for security assessment of power system.
    关键词:电力系统;智能自动报警系统;复杂网络;级联故障
  • 36503.中国官方规范打车软件实施统一接入管理

    [信息传输、软件和信息技术服务业] [2014-07-18]

    关键词:中国官方;规范;打车软件;统一管理
  • 36504.国外宽带用户感知提升经验借鉴

    [信息传输、软件和信息技术服务业] [2014-07-18]

    本文阐述了国外宽带总体发展情况,分析了 国外监管机构在提升宽带用户感知方面所采取的主要措施,并以美国和新加坡为例,分析了其宽带用户感知现状。同时研究了国外运营商在宽带业务提供方面的主要做法,从而为国内运营商提高宽带服务质量,提升宽带用户感知水平提出几点建议。
    关键词:宽带;用户感知;电信运营商
  • 36505.中国电信推出天翼混合云方便企业资源无缝即时弹性延展

    [信息传输、软件和信息技术服务业] [2014-07-18]

    关键词:中国电信;天翼混合云;无缝;弹性延展
  • 36506.Fabryq:使用电话作为智能代理以控制Web穿戴设备

    [信息传输、软件和信息技术服务业] [2014-07-18]

    Wearable ubiquitous computing devices are often size- and power-constrained, which prevents them from directly connecting to the Internet. A common pattern is therefore to interpose a smart phone as a router and to deliver graphical user interfaces for such hardware. However, implementing the entire pipeline from embedded device through a phone to the Internet and back requires a disjoint set of languages and APIs accessible only to experts. In this paper, we present fabryq, a new platform that handles the complexities of creating such applications. fabryq is especially aimed at supporting field deployments of prototype ubicomp hardware, e.g., for new interactive health devices. fabryq turns a smartphone into a bridge that connects the short range wireless technology of Bluetooth Low Energy (BLE) with our cloud service via the Internet. We introduce a protocol proxy programming model to find and control peripheral devices from Javascript; and describe a UI pushdown technique to render user interfaces on phones within reach of peripheral devices. To illustrate the utility of our platform, we also implement fabryq, a breadboard prototyping platform similar to Arduino with functionality exposed over a JavaScript API built exclusively with fabryq.
    关键词:Fabryq;智能代理;可穿戴设备;云服务
  • 36507.基于BP神经网络的风电预测

    [信息传输、软件和信息技术服务业] [2014-07-18]

    Accurate short-term wind power forecasting has important significance to safety,stability and economy of power system dispatching and also it is a difficult problem in practical engineering application.In this paper,by use of the data of numerical weather forecast,such as wind speed,wind direction,temperature,relative humidity and pressure of atmosphere,a short-term wind power forecasting system based on BP neural network has been developed.For verifying the feasibility of the system,some experiments have been were carried out.The results show that the system is capable of predicting accurately the wind power of future 24 hours and the forecasting accuracy of 85.6% is obtained.The work of this paper has important engineering directive significance to the similar wind power forecasting system.
    关键词:电力系统;风电;BP神经网络;短期预测
  • 36508.无线传感器网络节点的低电压低功耗ADC设计

    [信息传输、软件和信息技术服务业] [2014-07-18]

    This paper presents a low power low voltage 7bit 16MS/s SAR ADC (successive approximation register analog-to-digital converter) for the application of ZigBee receiver.The proposed 7-bit ADC is designed and simulated in 180nm RF CMOS technology.Post simulation results show that at 1.0-V supply and 16 MS/s,the ADC achieves a SNDR (signal-to-noise-anddistortion ratio) and SFDR (Spurious Free Dynamic Range) are 43.6dB,57.4dB respectively.The total power dissipation is 228tW,and it occupies a chip area of 0.525 mm2.It results in a figure-of merit (FOM) of 0.11 p J/step.
    关键词:模拟到数字转换器;SAR;低功耗;低压;无线个域网
  • 36509.DKF乘法算法的提出

    [信息传输、软件和信息技术服务业] [2014-07-18]

    An efficient and low-power multiplication algorithm has been proposed in this chapter. It reduces the number of add operations during multiplication by rounding any sequence of Is in the fractional part. The impact of using the proposed multiplication method on FIR and IIR filters response has been studied. Experimental results show that the proposed algorithm achieves up to 17power saving and 16increasing in speed, with only 1accuracy loss compared to Homer's algorithm. The new multiplication method has been validated experimentally using the eZ430-RF2500 wireless sensor board. In the next chapter, we will study the impact of using the proposed multiplication method on the power consumption of the proposed DKF.
    关键词:计算机系统;DKF乘法算法;功耗;无线传感器
  • 36510.三大运营商敲定铁塔公司架构民资未能入局

    [信息传输、软件和信息技术服务业] [2014-07-18]

    关键词:三大运营商;铁塔公司架构;民资
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