能量损耗
- 网络energy loss;energy consumption
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App-MAC支持基于优先级的事件传输,维护了事件之间和节点之间的公平性,提高了信道资源利用率,最主要的是减少了节点的能量损耗。
App-MAC supports prioritized event delivery , maintains fairness between events and sensor nodes , and has high channel utilization and efficient energy consumption .
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本文基于系统中的人员定位方法展开研究,针对目前无线传感器网络定位成本高、精度低、能量损耗大等难题,提出了一种基于RSSI距离比的多维标度定位算法。
This thesis is based on the research of personnel positioning in the secure process of the mines system . To solve the problems of high cost , low accuracy and high energy consumption in WSN , this thesis proposes a new positioning algorithm .
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在目前的微处理器设计中,片内Cache存储器的能量损耗所占的比重越来越大。本文给出了一种能够有效降低功耗的数据Cache设计方法。
In state-of-the-art microprocessor designs , on-chip cache memories account for a significant fraction of a chip 's overall energy dissipation .
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给出了一种新的数值计算W型单模单偏振光纤截止基模能量损耗的方法&区域模场边界条件匹配法。
A new numerical method based on point-matching is presented to calculate leakage loss of cutoff fundamental mode in W-tunneling optical fibers .
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用高分辨电子能量损耗谱(HREELS)对CO和K在W(100)面的共吸附进行了研究。
Coadsorption of CO and K on W ( 100 ) was investigated using high resolution electron energy loss spectroscopy ( HREELS ) .
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对实际系统的仿真计算表明,改进的GA算法能够有效求解无功优化和无功规划模型,优化方案可以显著降低网络的有功损耗和能量损耗,具有一定的实际意义。
Simulation results show that , the AGA solves the reactive power optimization and planning models effectively . The solutions reduce active power and energy losses significantly .
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在推导Pd中因没有考虑冲击时的部分能量损耗,故计算误差较大,Pd值计算公式仅供设计和使用震击器时参考。
In the derivation of the formula for P_d , not all the energy loss during the course of bumping is taken into account , so the formula is likely to cause rather large error and is for reference-only .
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根据伏安曲线分析了质子交换膜燃料电池(PEMFC)的电极热源项和能量损耗比例。
Heat sources of the electrode and their proportion of the energy wastage in PEMFC were analyzed by the voltammetry curves .
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该方法通过静态调节组映射策略,根据应用程序的自身特点调节数据Cache的容量大小,并且选择合理的替换算法,在保证高性能的同时降低了能量损耗。
In this paper , we propose a new approach using static resizing selective-ways and hierarchical LRU replacement algorithm for achieving high performance and low energy dissipation of set-associative data cache .
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高应变动测为PHC工程桩打桩中的送桩器能量损耗、桩身损坏、停锤标准等分析提供了依据,可以为相关工程提供借鉴。
The energy loss of chaser and the damage of pile shaft are analyzed for PHC pile driving by high strain dynamic testing .
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比较分析了Leach算法和Flooding算法在同一条件下的数据传输路径方面和能量损耗方面的异同点。
Compared and analysis the similarities and differences of the Leach algorithm and Flooding algorithm between aspects of the data path and energy loss under the same condition .
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基于自组织机制和网内处理的数据融合技术能克服能量损耗与带宽的限制,极大地改善了WSN的整体性能。
Data fusion technology , based on organization mechanism and internal processing , overcomes disadvantages of the energy loss and band width limit , thus improving the overall performance .
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为了解决能量损耗的问题,我们设计了选择发射功率(ATP)机制,距离感知机制和更新信息机制。
To overcome the problem of power-consumed wastage , we have designed a scheme called Alternative Transmission Power ( ATP ), a distance aware scheme and an updating information scheme .
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采用电沉积法制备CIS薄膜易于控制薄膜的厚度,可在大尺寸和形状复杂的衬底上沉积薄膜,并且电沉积过程在室温下进行,能量损耗低。
Precursor thin films can be deposited on large size and complicated shape substrates . The electrodeposition process is at room temperature , so it consumes low energy .
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所有的电力电子器件在运行过程当中都会产生一定的能量损耗,IGBT也不例外,通常这部分损耗在IGBT内部以热的形式存在,从而将改变电力电子器件内部的温度分布。
Usually , this part of loss energy exists in the inner part of IGBT in the form of heat , which will change the temperature distribution of power electronics devices .
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200MW机组能量损耗监测参数优化值的确定
Confirmation of Optimum Parameter for 200 MW Unit
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为了降低系统能量损耗,减少电网污染及防止电磁干扰等现象,本文论述一种新型功率单元高压变频器,即非PWM功率单元高压变频器。
In order to cut back energy-losing , reduce the pollution of power grid and prevent the electromagnetic interference , this paper introduced a new kind of high voltage frequency converter , namely the Non-PWM power unit high voltage frequency converter .
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本文将能量损耗理论与Ansys软件模拟相结合,在摩擦功全部转化成摩擦界面温升及局域性平衡假设的前提下,归纳出了等效摩擦系数的概念。
Energy loss theory and Ansys simulation are combined in this paper . Assume that friction work totally translates into heat and Local equilibrium assumption , the friction force can be solved by using the relationship between the work and temperature rise .
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针对半导体激光器的能量损耗情况,设计优化了半导体激光器的结构,改进了材料的金属有机化学气相沉积(MOCVD)生长条件。
Based on the analysis of energy loss in a laser diode , we optimize the structure of the laser diode and metal organic chemical vapor deposition ( MOCVD ) growth condition .
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结果表明,高宽比为3~20范围内对平均努赛数(?)u.高宽比对矩形方腔内流动及能量损耗特性影响的数值分析
The numerical results indicate that the aspect ratio between 3-20 has a substantial effect on average Nusselt number . Numerical simulation of the influence of the length-to-depth ratio on flow field and energy loss characterization within rectangular cavities
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提出了一种使用阴极开路技术的GTO关断电路,该电路具有高开关速度、低能量损耗等优点,并且能很好地政善电路的抗du/dt能力。
A GTO turn-off circuit by open cathode technique is presented . This circuit provides the high turn-off speed , low losses and the improving of dv / dt capability for GTO thyristors .
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为减少开关器件的能量损耗、降低开关期间的电磁应力,要求开关器件工作在零电压转换(ZVS)或零电流转换(ZCS)模式下。
In order to reduce the energy loss and electromagnetic stress in switch , it is important to work under the mode of zero-voltage switch ( ZVS ) or zero-current switch ( ZCS ) .
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应用应变疲劳能量损耗的理论和弹塑性断裂力学的J积分理论,初步探讨了钢材的应变循环加载对延性断裂韧度JIC的影响。
By applying the theory of strain fatigue energy loss and the theory of intrigue JIC in elasto-plastic fracture mechanics , a preliminary investigation was made in this research to test the influence of cyclic strain on JIC & the ductile fracture toughness of steels .
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在器件性能上,LPL-IGBT不仅具有比NPT-IGBT更低的能量损耗(包括通态损耗和开关损耗),而且其余性能如器件耐压、电流密度、安全工作区以及制造成本等相对现有NPT-IGBT均有明显改善。
Not only possesses LPL-IGBT lower power loss but also the other capacities are no better than NPT-IGBT such as break down voltage , current capacities , safe operation area and cost .
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论文的主要内容包括:1.针对异构型无线传感器网络节点在感知、计算与通信多方面存在差异的特点,提出了一种低能量损耗的分布式分簇路由算法(MEDC)。
The main contents of this thesis include : 1 . A new distributed clustering scheme ( MEDC algorithm ) is proposed for heterogeneous wireless sensor networks with energy heterogeneity and computational heterogeneity .
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本文用Romberg数值积分法计算出在一定能量损耗限值要求下的脉冲信号频谱宽度,并用付氏级数对其进行了信号重构验证,据此得出了脉冲信号测试系统带宽的最佳值。
This paper presents the pulse signal spectrum bandwidth using Romberg numerical integration algorithm under a certain energy wastage required . A reconstruction signal is obtained by Fourier Series , and the optimum bandwidth of the measurement system is also presented .
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对于高频系数,采用基于Stein无偏似然估计原理的自适应阈值;在干扰信号的统计特性未知的情况下,对低频系数阈值的选取采取保持频率单一和能量损耗小的双重标准。
Then , the threshold based on Stein 's unbiased risk estimation was used to eliminate the noise in the high frequency coefficients and the double criteria , and holding frequency singleness and little energy losses were used to set the threshold of the low frequency coefficients .
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为了缩短人们的候梯时间,减少能量损耗,需要合理安装多台电梯并进行集中统一的控制,这种多台电梯的优化调度系统就是电梯群控系统(EGCS)。
In order to cut down waiting time , reduce power consumption , it is better to put many elevators together and monitor them together in reason . This optimization dispatching system to all the elevators is named elevator group control systems ( EGCS ) .
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在电力系统运行中,为减少能量损耗,提高供电设备利用率,采用无功功率补偿,利用MTSC装置,构成低压动态无功补偿装置,可以取得很好的效果。
In the operation of electric power system , in order to reduce energy loss and improve the availability of the equipment , the adoption of reactive power compensation by use of MTSC to make a low-pressure dynamic reactive power apparatus can achieve a better effect .
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分析了超声波在传播过程中发生的能量损耗对超声声速测量的影响。
The influence of energy attenuation on supersonic velocity measurement is analysed .