fading time
英 [ˈfeɪdɪŋ taɪm]
美 [ˈfeɪdɪŋ taɪm]
网络 消退时限; 消退時限
双语例句
- To mitigate the fading effects, time, frequency, and spatial diversity techniques or their hybrid can be used.
为了减小衰落信道的影响，时间、频率以及空间等分集技术得到大量的应用和推广。 - Secondly, based on the traditional prediction method of chaotic time series, a nonlinear prediction method which fitts for fading signals time series is presented, and this method is used to predict radio wave fading time series with satisfactory results.
然后基于传统的混沌时间序列预测方法，给出了一种适合于信号衰减时间序列的非线性预测方法，并利用这种方法对电离层中电波信号的衰减时间序列进行了预测，获得了比较好的结果。 - After a period of burning helium and shrinking and expanding and then finally shrinking again, the Sun will wind up as tiny cinder known as a white dwarf, fading away for the rest of time.
经过氦燃烧、收缩、膨胀然后最终再收缩，太阳将会变成一个小残骸，也就是众所周知的白色矮星，从而永久消失。 - So, we analysis the characters of power line channels which include input impedance, channel fading, noise and time varying.
因此，本文从电力线信道的输入阻抗特性、信道衰落特性、噪声特性和时变特性等几个方面进行了分析讨论。 - The channel of wireless mobile communication is a multi-access and multi-user channel, and it has some problems, such as, multi-path fading, time delay spreading, frequency spreading.
无线移动通信信道是一个多址多用户信道，而且存在多径衰落、时延扩展、频率扩展等问题。 - It is a true blind detection algorithm in that it needs no knowledge of channel fading information as well as time domain and frequency domain spread spectrum codes.
该算法无需时域扩频码、频域扩频码和信道衰落信息，是一种真正意义上的盲的检测算法。 - And the other is how to cope with more severe channels fading, such as frequency selective fading and time selective fading to improve the transmission quality of signals in the high speed communication, which is also very difficult task.
其二，在高速通信的环境中，信道的衰落干扰问题更加严重，如频率选择性衰落和时间选择性衰落。怎样克服衰落的影响，提高信号的传输质量，同样是一个难题。 - The wireless propagation environment is described first: analyzing the small-scaled fading, including amplitude fading, multi-path time delay and Doppler spectrum spread.
在本论文中，首先对移动传播环境作了描述，特别是对小尺度多径传播造成的幅度衰落，多径时延和多普勒频移进行了分析； - In this algorithm, all the parameters and data structures are fading with time and they are to be readjusted with the corresponding fading factors.
算法中，每个参数以及数据结构都随时间而衰减，并根据相应的时间衰减因子进行动态调整。 - OFDM as well as multi-channel-coding and multi-modulation is adopted by DRM. This combine with interleaving and error protection to decrease the effect of frequency selective fading, multi-path time delay and Doppler effect. Then the robustness of the signal transmitted is enhanced.
DRM采用OFDM调制方式和多级信道编码，使用交织、差错保护技术，大大地减轻了频率选择性衰落、多径时延以及多普勒效应的影响，提高了信号传输质量和稳定性。