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- Basic Transmission Path Loss 基本传输路径损耗
- A transmission path utilized for a call in a communication network. 通信网络中在一次呼叫中所用的传输途径。
- A directive(by means of a basic transmission unit) from an access method that causes the network control program to perform a data-transfer operation or auxiliary operation. 在某种存取方法中,利用基本传输部件发出的一种指令,它使得网络控制程序执行数据转移或辅助操作。
- Both rates of knowing rate of AIDS transmission path was above 80%. 教育前后对艾滋病传播途径的知晓率均在80%25以上;
- 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。
- A transmission path by which radio or other signals are sent to an aircraft or a communications satellite. 上行路线,向上传输传向航天器或通讯卫星的无线电或其他信号的传输路线
- Free space basic transmission loss 自由空间基本传输损耗
- Usually, the problem is how to reduce the sound pressure level, either at source or on the transmission path. 通常噪声问题的解决办法就是在其声源处或是在其传播途中降低其声压水平。
- This paper proposes a streaming media transmission system which is able to select transmission path dynamically. 提出了一种具备动态路径选择功能的流媒体传输系统。
- 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。
- A directive ( by means of a basic transmission unit ) from an access method that causes the network control program to perform a data-transfer operation or auxiliary operation. 在某种存取方法中,利用基本传输部件发出的一种指令,它使得网络控制程序执行数据转移或辅助操作。
- A deliberate change in waveshape, introduced either to counteract the expected effect of a subsequent transmission path or to render the signal less susceptible to noise. 有意引入的波形变化,以抵消其后传输通道的畸变作用或减小噪声对信号的影响。
- 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 eigen permeabilities and eigen waves of the basic transmission modes arededuced,which play intrinsical roles in the propagation of plane waves in anunreciprocal medium. 导出了平面波在非互易媒质中传播时,起本质作用的本征导磁率和基本传输模式本征波,本征导磁率对应本征波中的传输常数。
- 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。
- In many applications, the balance performance of equipment is crucial in order to ensure a satisfactory suppression of unwanted signals from the normal transmission path. 在许多应用中,从正常的传输路径中确保不需要信号的满意的抑制,设备的平衡性能是关键。
- Based on geometrical optics, plane layered model and sphere layered model are used to analyze the laser transmission path and the declination angle from direct path. 基于几何光学的方法,用球面分层和平面分层两种大气分层模式对激光在对流层中传输路径以及产生的仰角误差进行分析。
- In the evaluation of file transmission time, based on the algorism for linear transmission path, we take the branched path into account to make the algorism perfect. 评估文件传输路径的响应时间时,在直线计算方法的基础上,添加了分支路径计算方法。
- In this paper, basic transmission modes of electro-magnetic wave are discussed, the features for three transmission methods namely solenoidal, toroidal and direct coupled are analyzed in comparison. 概述了电磁波发射传输的基本方式,对比分析了螺线管发射、环形线圈偶合与直接偶合方法的特点。
- 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。