路径损耗的英文

• path loss

• "路径"英文翻译    way; route; trajectory; path ...
• "损耗"英文翻译    loss; wear and tear; deterio ...
• "总路径损耗" 英文翻译 :    total path loss
• "回声路径损耗" 英文翻译 :    echo path loss
• "空间路径损耗" 英文翻译 :    space path loss
• "天波路径损耗" 英文翻译 :    sky-wave path loss
• "路径损耗（传播损耗）" 英文翻译 :    pl ( path loss)
• "自由空间路径损耗" 英文翻译 :    free space path loss
• "半径损耗" 英文翻译 :    radii loss
• "孔径损耗" 英文翻译 :    aperture loss
• "直径损耗" 英文翻译 :    gage loss
• "射线路径传输损耗" 英文翻译 :    ray path transmission loss
• "孔径损失" 英文翻译 :    aperture loss; loss of gauge
• "途径损失" 英文翻译 :    path loss
• "直径损失" 英文翻译 :    loss of working diameter
• "路径" 英文翻译 :    1.(道路) way; route; trajectory; path; tail; travel2.(门路) method; ways and means 成功的路径 way to success
• "射手系统射线路径传输损耗" 英文翻译 :    ray path tra mi ion lo; ray path transmission loss
• "损耗" 英文翻译 :    1.(损失消耗) loss; wear and tear; deterioration; waste 摩擦损耗 friction loss; 屏蔽损耗 shadow loss; 意外损耗保险 accident insurance; 重量损耗 shrinkage;2.[商业] wastage; spoilage 降低损耗 reduce the wastage; 损耗不大。 the wastage is not very great.; 损耗标准 loss standard; 损耗测定 loss determination; loss measurement; 损耗测量 loss measurement; 损耗测量仪 loss measuring instrument; 损耗费 cost of wear and tear; 损耗估算 [电工] loss evaluation; 损耗量 waste; 损耗率 proportion of goods damaged; attrition rate; 损耗模量 loss modulus; 损耗失效 loss failure; 损耗系数 loss factor; coefficient of losses; 损耗因数 dissipation factor; loss factor; 损耗因子 dissipation factor; loss factor; 损耗元件 losser
• "dfs路径" 英文翻译 :    dfs path /
• "按路径" 英文翻译 :    by path
• "半路径" 英文翻译 :    semipath
• "长路径" 英文翻译 :    long-path
• "短路径" 英文翻译 :    short path
• "多路径" 英文翻译 :    multipath
• "路径,通路" 英文翻译 :    path

• Modeling of propagation path loss in a canopy
  树冠中电波传播路径损耗的研究及模型的建立
• The results of prediction agree well with the measurement
  该模型的路径损耗预测结果与实际的测量结果比较，符合较好。
• Sky - wave path loss
  天波路径损耗
• By analyzing the model of radio wave propagation loss , this paper provides a weighted centroid localization algorithm that uses coefficients , which are decided by the influence of beacons to unknown nodes , to prompt localization accuracy
  文中通过对无线电传播路径损耗模型的分析，提出了加权质心定位算法，用信标节点对未知节点的不同影响力来确定加权因子，以提高定位精度。
• Then critical technologies of simulation system are discussed , including frame processing structure , fh sequence generator , simulation models of path loss and multipath channel , simulation of signal propagation delay and jamming signal etc
  其次，讨论了仿真系统实现的关键技术，包括帧处理结构、跳频序列发生器、路径损耗与多径信道仿真模型、信号传播延时及干扰信号的仿真等。
• Chapter 3 investigates the capacity improvement in cdma multi - cellular system with base - station smart antenna . we consider the effects of multipath interference , thermal noise , path loss , processing gain and voice activity factor . and introduces multiuser detection combined with smart antenna
  考虑了多径干扰、热噪声、路径损耗、处理增益和语音激活因子的影响；并介绍了与智能天线技术相结合的多用户检测技术。
• Because it is a long time before the hybrid method getting the field , one can use the artificial net work ' s character of learning by itself , and get the law of the path loss . consequently , it become easier to study the wireless electrical wave ' s propagation characters
  利用混合法计算场，比较耗时，可以运用人工神经网络的自学习功能，就能很快得出路径损耗规律，从而更加方便对室内的无线电波传播特性进行研究。
• In order to utilize the frquency resource adequately and increase the capacity of mobile communication system , the wireless electric wave propagation of existing mobile system always adopts the microcell structure . forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network , at the same time it is a precondition for the research on the microcell mobile system . the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond , that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method , that is establish the deterministic model based on theoretical analyse . the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth , and introduce the common path loss transmition model in land mobile communication system , also point out the localization of these models based on experiential methods
  而精确预测无线电波传播路径损耗特性，则为合理的微蜂窝无线网络规划、设计提供了必要条件，同时也是研究微蜂窝移动通信系统性能的前提。无线电波传播预测的方法分为两类：一是用冲激响应法，即根据实验、统计所得数据建立经验性传播预测模型；另一种是用射线跟踪方法，即依据理论分析来建立确定性的传播预测模型。本文首先讨论了在地球表面均匀大气中的无线电波传播的基本特性，介绍了陆地移动通信系统中常用的几种电波传播路径损耗经验性预测模型，并指出了这些经验性传播模型对于微蜂窝小区无线电波传播特性研究的局限性。
• A simulation and modeling mechanism is studied and proposed for multirate transmission protocol . based on the wlan that adopts ofdm transmission technique , we first assumed that the small - scall fading and multipath in ofdm sub - channel is rayleigh , and large - scale path loss could be described by bi - linearity model , and then we analyzed the rationality
  基于采用ofdm传输技术的wlan ，我们假设ofdm子信道的小尺度衰落服从rayleigh分布，路径损耗可以用双线性模型描述，并对假设的合理性进行了分析，将决定速率切换的误帧率等物理层性能参数和媒质控制协议有机地结合在一起，对多速率传输建模进行了有意的探索。
• The advantages of using leo satellite are as following : on the one hand the satellite orbit is low , so the transmission delay is short , the power loss is small ; on the other hand the development of cell communication , multi - access , frequency multiplex and etc also provide a technique guarantee to the leo satellite - mobile - telecommunication . so the leo system is considered to be a satellite - mobile - communication system with a great future
  低轨道卫星是一种运行于1000公里左右的高空中的人造卫星，利用leo卫星实现个人通信的优点在于：一方面卫星的轨道高度低，使得传输延时短、路径损耗小，多个卫星组成的星座可实现真正的全球覆盖，频率复用更有效：另一方面蜂窝通信、多址、点波束、频率复用等技术的发展也为低轨道卫星移动通信提供了技术保障。