signal attenuation

英 [ˈsɪɡnəl əˌtenjʊˈeɪʃn] 美 [ˈsɪɡnəl əˌtenjʊˈeɪʃn]

网络  信号衰减; 讯号衰减

电力



双语例句

  1. The result of simulation by the software Matlab shows that signal attenuation and phasic excursion in high frequency is feasible for high speed communication over power networks in aeroplane.
    仿真结果显示,飞机供电网络对高频信号的衰减和相位偏移影响不大。
  2. Two color pyrometers were developed to solve the problem of signal attenuation by intervening smoke or fumes.
    为了解决由烟或气所引起的信号衰减问题,研制出了双色高温计。
  3. The optical signal attenuation caused by fog has a great influence on the performance of the atmospheric laser communication system.
    雾引起的光信号衰减对大气激光通信系统性能影响较大。
  4. Signal attenuation in the power line environment is often great, and unpredictable.
    信号衰减在输电线环境经常是伟大和变化莫测的。
  5. Aiming at the characteristic of MSS, the reason of signal attenuation by rain is analyzed and the calculation method of rainfall attenuation is given.
    针对移动卫星系统的特点,分析了降雨引起的信号衰减的原因,给出了雨衰的计算方法。
  6. The noise and high frequency signal attenuation on the actual low voltage distribution networks are measured in this paper, by analysis of the result, the noises distribution and the attenuation characteristics are studied.
    通过对低压配电网噪声和衰减的实际测量结果分析,研究了低压配电网的噪声分布和高频信号衰减特性。
  7. Second, the problems of long-distance data communication, signal attenuation, interference from outside in the measurement system.
    测试系统中远程数据通信,传输线上的信号衰减及抗干扰问题。
  8. A new mobile station locating algorithm by the signal attenuation method is devel-oped.
    提出了一种无线移动网中移动台场强法定位的新算法。
  9. In powerline carrier wave application, signal disturbing and signal attenuation is the important reason of effecting signal transmission.
    在电力载波技术的应用中,信号干扰和衰减是影响信号传输的重要原因。
  10. Introduced the working principle of PCM, and studied the signal point selection, earth selection, the relation between signal attenuation and disrepair area and so on. In order to make inspection more correctly, put forward something to pay attention.
    介绍了PCM系统的工作原理,对检测过程中信号点的选择、地极的选择、信号的衰减与破损点面积的关系等问题进行了研究,提出了注意事项,以提高检测评估的准确率。
  11. In this paper, a measurement system of UWS electromagnetic pulse radiating field is developed, which consisted of TEM horn, coaxial transmitting line, wide band oscillograph and data processing software for the compensation of signal attenuation and aberration.
    介绍了一套自行研制的高功率超宽谱电磁脉冲辐射场测量系统,该系统主要由TEM喇叭接收天线、同轴传输线、宽带示波器及微型计算机组成。
  12. To ensure the reliability of tracking the target, signal attenuation and boresight error must be predicted accurately.
    要保证导弹跟踪目标的准确性,必须预测在给定扫描角下的信号衰减和瞄准误差。
  13. Where signal attenuation, strong disturbance and complex variation of impedance exist.
    介绍了电力线载波通信技术,分析了低压配电网对信号传输衰减大、干扰强、阻抗变化复杂的信道特性;
  14. In scanner controlling aspect, a chromatism compensation technology is put forward, so as to solve the problem of signal attenuation and prolong the life span of scanners.
    在扫描仪控制方面,提出了色差补偿技术,解决了扫描仪在长期使用后出现的信号衰减问题,延长了扫描仪的使用寿命。
  15. The channel characteristics of LV ( Low-Voltage) power line are analyzed qualitatively, including impedance, signal attenuation and noise interference.
    对低压电力线的信道特性进行了定性分析,研究了其阻抗、信号衰减和噪声干扰3个方面的特性。
  16. The correlation between signal attenuation and moisture absorption of the cable is studied, and a measurement method for cable moistureproof performance by using transmission attenuation is proposed.
    研究了信号衰减与电缆吸潮的相关关系,提出以传输衰减表征线缆防潮性能的测量方法;
  17. Objective; To compare the dependence of signal attenuation on temperature and time caused by the diffusion movements in inhomogeneous and linear gradient magnetic field.
    目的:比较非理想均匀磁场和线性梯度磁场中扩散运动引起的信号衰减对温度、时间的依赖性。
  18. Point-to-point remote access of WLAN between islands is elaborated. Signal attenuation during rainfall and the respective path reserved power is thoroughly studied. Application of DSSS in WLAN in preventing multi-path interference is also analyzed.
    阐述了WLAN在海岛之间的点对点远程链接,分析了WLAN采用DSSS的抗多径干扰,研究了由于暴雨产生降雨衰耗,链路应有的功率预留量。
  19. With the measuring system designed by the author, many experiments are made to investigate the electrical characteristics of power line used as high frequency carrier communication channel including the characteristics of input impedance and signal attenuation as well as noise.
    文中采用自行设计和研制的测量系统对将低压电力线用做高频通信网络时的电气特性,包括输入阻抗特性、信号衰减特性和系统的噪声特性等,进行了大量的试验研究。
  20. Global navigation satellite systems have been revolutionizing in surveying, geodesy, navigation and other position fields. However, there are two intrinsic shortcomings in such satellite-based positioning systems: signal attenuation and dependence on the geometric distribution of the satellites.
    全球导航卫星系统已经引起了测量、测地、导航和其他与定位相关的学科的革命,但是卫星导航定位系统有两个内在的弱点:信号衰减和定位结果依赖卫星的几何布局。
  21. Because of the large scope of gas sensor resistance changing, may be to the megohm, a series range of the signal attenuation are designed to ensure that the voltage between 0~ 3V. 2.
    由于气体传感器的电阻变化范围大,可能上兆欧,所以设计了一系列量程来将信号衰减,保证电压在0~3V之间。
  22. Two positioning methods are brought forward aimed at the unknown or incorrect of signal attenuation parameters.
    针对信号衰减模型参数未知或估计不准确的情况,提出了两种利用RSSI差值计算位置的方法。
  23. The echo is a multiple output signal attenuation through the channel attenuation and returned to the input received signal with frequency interference, conventional duplexers or filters can filter out the interference signal band work, work in the same frequency band Difficult to filter out signal interference.
    这些回波是由输出信号经过多路衰减信道衰减后返回到输入端得到的同频干扰信号,传统的双工器或者滤波器可以滤除工作频带外的干扰信号,对工作频带中的同频干扰信号难以滤除。
  24. 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。
  25. Circuit filter can improve signal to noise ratio, but the rate of a certain signal attenuation.
    滤波电路可以提高信噪比,但同时对信号幅度有一定的衰减。
  26. Precision guidance has been widely used in modern warfare, as the rocket plume of smoke signal attenuation of the incident will affect the guided missile tracking, and identification for launch detection accuracy, therefore asked the Plume of the incident signal attenuation as small as possible.
    精确制导广泛地应用于现代战争中,由于火箭发动机羽烟对入射信号的衰减,将影响到导弹的制导跟踪、连续发射和识别探测精度,因此要求羽烟对入射信号的衰减尽可能小。
  27. This algorithm obtains the path decline index dynamically, and weakens the effect of signal attenuation model, improving the location accuracy.
    该算法通过动态获取路径衰落指数,弱化信号衰减模型的作用,提高了定位精度。
  28. Ultrasound impedance matching problem that ultrasonic signal attenuation, the ultrasound transmit and receive signals from satisfactory.
    超声阻抗匹配问题使超声波信号衰减大,导致超声波发射和接收信号不理想。
  29. 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。
  30. Wireless communication system using high-frequency electromagnetic waves has big signal attenuation intensity, strong electromagnetic interference and transmitted power.
    利用高频电磁波实现无线透地通信时,会遇到信号衰减强度大、电磁干扰强、发射功率大等问题。