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- path loss exponent 路径损耗指数
- And it can get the path loss of any point on single floors of buildings. 该模型既有二维跟踪模型的快速，又有三维跟踪模型的高精度。
- It briefly presents the theory for the diffraction over terrain obstacles and describes two different path loss models, the Hata model and a FFT-based model. 本文提出一个新的数学模型，描述压力波在充满黏性不可压缩流体的等向性弹性管中的传输行为。
- The Windows-based software, AREPS3.0, is applied to compute path loss versus range in the troposphere, using atmospheric information from shipboard weather prediction station. 使用AREPS3.;0软件计算不同距离上的路径损耗，大气信息取自舰载气象站；
- The method is adaptive to different path loss models and does not require any hardware modification on network or mobile devices.Moreover, the impact of shadowing is reduced. 该方案不需要对网络设备和移动终端作任何硬件改造，就能普遍适用于各种无线环境和路径损耗模型，同时能有效降低阴影效应的影响。
- 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。
- However, ranging measurements are often subject to errors, induced by multipath signals and variations in path loss, unreliable hardware or antenna connectors, or imperfection in measurement models. 可是，距离测量往往容易出现错误，多径信号和路径损耗变化，不可靠的硬件或者天线连接器，或者不理想的测量模型都可能导致错误出现。
- In this paper,the performance of wireless DNC system is analyzed by testing the performance parameters of wireless signal and proposing the path loss formula of radio wave propagation in workshop. 通过测试无线信号性能参数并提出车间环境下无线电波路径损耗经验公式,分析了无线DNC系统的性能。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- She squelched along the muddy path. 她沿着泥泞小径格吱格吱地走。
- 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
- He was destined to plod the path of toil. 他注定要在艰辛的道路上跋涉。
- The path leads to a hill bare of vegetation. 这条小道通向一座没有草木的小山。
- I commiserate with you on the loss of your mother. 你母亲逝世，我特向你慰问。
- The path of civilization is paved with tin cans. 文明的大道，是铺满了空罐头。
- Every day he trod the same path to school. 他每天都走同一条路上学。
- How can we divert her thoughts from her sad loss? 我们怎样才能使他不再想到她可悲的损失？
- The boy hops the ditch and run down the path. 那男孩跳过沟，沿著小路奔去。
- The loss of all his money embitter the old man. 失去全部的钱，使这位老人甚为痛苦。
- The mountain path is narrow and rugged. 狭隘的山路崎岖不平。
