radio attenuation
英 [ˈreɪdiəʊ əˌtenjʊˈeɪʃn]
美 [ˈreɪdioʊ əˌtenjʊˈeɪʃn]
网络 无线电衰减
双语例句
- Mobile radio set Analysis of the Rain Attenuation Characteristic in the Electromagnetic Wave Transmission of Airborne Radio Equipment
流动无线电台（机）降雨对机载无线电设备电磁波传输的衰减特性分析 - Ionospheric loss of high frequency radio wave propagated in the ionospheric regions On amplitude and piecewise attenuation method of working current in ship ′ s magnetic treatment
电离层对高频电波吸收衰减的影响研究舰船磁性处理中的电流幅值与消磁电流分段衰减方法 - Evaporation ducts, or tropospheric ducts in general, can guide radio waves to distances far beyond the horizon with less attenuation, and then severely impair some certain radio wave system.
以蒸发波导为代表的对流层大气波导传播，可使电波在较小的衰减下沿波导传播得很远，从而严重影响合适的无线电系统。 - The electrical characteristics of the earth surface are very important for radio time service and navigation, and the equivalent ground electrical characteristics can be estimated by the ground wave attenuation method.
对于无线电授时、导航来说，地球表面大地电特性非常重要，可以用地波衰减法测定大地等效电特性。 - Based on the radio waves propagation models of circular tunnels and rectangular tunnels, the relation between attenuation and conductivity is analyzed and the concept of conductivity breakpoint is presented.
根据圆形巷道和矩形巷道的电波传播模型，分析了电波衰减率和电导率的关系，并且提出了电导率断点的概念。 - By analyzing the model of radio wave propagation loss and empirical data from real measurement, our idea is to use discrete linear lines to approximate the real attenuation of RSSI and LQI.
其思想就是通过对无线电传播路径损耗模型以及大量实测数据的分析，用分段线性逼近的方法得到RSSI、LQI这2者与传播距离的衰落曲线。 - Propagation characteristic of UHF radio wave in rectangle, circle and arched tunnels is studied in this paper and the computing equation for attenuation constant is deduced.
研究UHF频段的无线电波在矩形、圆形和拱形隧道中的传播特性，推导了衰减常数的计算公式。 - Compared to the mature terrestrial radio communications, underwater acoustic sensor network has distinct characteristics, such as narrow available bandwidth, long propagation delay, and strong signal attenuation.
相比成熟的陆地无线通信，水声传感器网络存在可用带宽窄、传播时延长、信号衰减大等特点。 - As is well known, Impulse Radio Ultra-wideband ( IR-UWB) signal has the merits of low attenuation, strong penetration, accurate location and high resolution etc. And it can dramatically improve the effects of location indoors.
众所周知，脉冲超宽带（IR-UWB）信号具有衰减小、穿透性强、定位精度高、多径分辨率高等优点，能够有效地改善室内定位的效果。 - Through the analysis of these two positioning technology, the way of positioning with ultrasonic and radio signal attenuation was also proposed.
通过对两者定位技术的分析，提出了基于超声波测距和无线信号衰减的定位方式。 - Atmospheric duct can guide radio waves to distances far beyond the horizon with less attenuation, which will have a significant impact on the spread of radio signals.
大气波导可以使电磁波陷获在波导层结内实现超视距传播，将影响在其中传播的无线电信号。 - In this paper, the cluster transmission of radio channel communication system to conduct in-depth study, through the wireless channel experiences multipath transmission and receive radio channel path loss simulation of the signal attenuation characteristics.
本文对集群通信系统的无线信道进行了深入研究，通过对无线信道多径传输和经验路径损耗进行仿真得到无线信道的信号衰减特性。 - In a radio communication system, the stop band brought by single bandpass filter is insufficient if a strong disturbance exists in a frequency band or high attenuation in multiple bands is desired. Applying one or more band-stop filters can be a solution to such problems.
在射频通信系统中，若某频率干扰很强或需要在多个频率高衰减，仅使用带通滤波器的阻带不能满足系统要求，就需要使用一个或多个带阻滤波器进行抑制。 - In radio communication system, because of the attenuation caused by the effect of obstacles, air and other factors, signal reception needs to be able to handle the widest range of data conversion.
在射频通信系统中，由于受到诸如障碍物、空气效应等因素的影响引起信号的衰减，信号的接收需要能够处理最大范围的数据转换。 - The radio channel, used by the nodes, is impacted by the signal attenuation, noise, interference and other factors, so the channel capacity is very limited and is changed over time. Therefore, Ad Hoc networks are more prone to congestion.
节点间通信所采用的无线信道受信号衰减、噪声、干扰等多种因素的影响，信道容量十分有限，而且随着时间不断变化，因此，adhoc网络更容易产生拥塞。 - RSSI technique uses radio RF signal strength measurements, and the signal attenuation models to calculate the distance between the nodes, and then use trilateration method or maximum likelihood method to calculate the unknown node location information.
RSSI技术利用射频芯片中特有的射频信号强度测量功能，然后根据信号传播衰减模型将衰减量转变成节点之间的距离，利用三边测量法或极大似然法计算未知节点的位置信息。