This paper proposed a positioning scheme based on differences of signal fading in cellular system with fixed relays.
提出了一种在有固定中继的蜂窝网络中使用信号衰落差值进行移动定位的方案。
Many common multimedia signal processing, including cropping, filtering, and perceptual coding, make watermark signal fading-like modification.
许多通常的多媒体信号处理，如剪切、滤波、感知编码等，引起了水印信号衰落状的偏倚。
I introduce the frequency allocation between BCCH carrier frequency and TCH, signal fading arithmetic, interference theory and the adjusting thinking of dynamic power control.
介绍了BCCH载波与TCH载波的频率配置、信号衰落算法、干扰原理、动态功率控制的调节思路，以及提高网络质量，改善小区登陆与切换性能的措施。
The problems mainly exhibit to be multi-path propagation in the wireless fading channel, signal fading caused by the scattering and Inter-Symbol Interference caused by the long multi-path time delay.
其中主要为无线衰落信道中的多径传播和散射引起的信号衰落，以及大的多径时延而引起的符号间干扰。
In this paper, a Modified Neural Network (MNN) based power controller is proposed to smoothen out the fast fading and keep the received signal power from each user constant at the base station.
本文提出了一种基于改进的神经网络(MNN)的自适应闭环功率控制算法，该方法平滑了移动信道衰落的影响，使基站接收到的小区中所有用户的信号功率相等。
As some examples, the results of some TCM signal sequence on additive Gaussian white noise (AWGN) channel and fading channels have been presented.
作为实例，给出了高斯信道和衰落信道上的一些TCM信号序列的自由空间距离的计算结果。
Based on the ITS channel model this paper theoretically discusses the fading effect of the ionosphere to the signal which is reflected by the ionosphere.
在宽带信道模型的基础之上，从理论上分析了电波信号通过电离层信道所经受的衰落影响。
Considering the effect of the shadow fading and fast fading on the receive signal, the received useful signal and interference signal should be random variables which change continuously.
考虑到阴影衰落和快衰落对于接收信号的影响，接收到的有用信号和干扰信号是随机变量，相应的载干比也是随机的。
Fractal characteristic of multipath fading signal is studied in the paper which shows that multifractal dimension is a key parameter for describing the signal propagation in wireless channels.
本文研究多径衰落信号的多重分形性质，分析并指出了信号多重分形维数是描述无线信道传播特性的重要参数；
If the time interval among the transmissions is long enough for each time, the fading presented by the transmission of the signal will be mutual for each time.
如果各次发送的时间间隔足够大，那么各次发送信号所出现的衰落将是彼此的。
The adjustable fading bandwidths and additional long delays were implemented by using the relative new signal processing technologies of FPGA device.
利用FPGA作为数字信号处理平台来实现可调的衰落带宽以及多径延时。
In shortwave communication system, Intersymbol Interference is serious and signal is distorted extremely because of fading channel resulted in by the effect of multipath.
在短波通信系统中，由于多径效应常常引起信道衰落，直接结果是码间串扰非常严重。
The simulation results presented prove that the performance of DFH system with signal detecting by sequence is much better than the conventional frequency hopped systems over Rayleigh fading channels.
结果证实了，差分跳频通信技术和按序列检测方法的结合，使通信系统在瑞利衰落信道条件下的性能得到了比较显著的提升。
Because of the enormous fading of the optical signal in underwater laser communication, the capacity of the error-correcting code must be well enough.
由于水下通信信道对光信号的衰减极大，实际通信系统的编码应具有极强纠随机差错和纠突发差错的能力。
Through investigation of changes of the intensity of electron spinning signal and morphology of amorphous carbon materials at different cycle numbers, mechanism for capacity fading was obtained.
通过研究在不同的循环次数时无定形碳材料的电子自旋共抓信号的强度变化及形态结构的变化，得出了容量衰减的机理。
We could never hear this before on AO-16 when it was transmitting its normal PSK signal, since we didn't hear the effect of fading on the uplink in this mode.
在AO - 16以前正常传输PS K信号时我们可能永远听不到像这样的情况，因为我们听不到在PS K模式下上行信号的衰落影响。
The performance of QPSK signal transmitted through nonlinear mobile satellite channel is analyzed based on presumed frequency non-selective fading.
在平坦衰落假设基础上，分析了QPS K信号通过移动卫星信道的非线性性能。
The BERs of a noncoherent receiver for FSK signal in Rician fading channels is given.
分析了莱斯衰落信道中FSK信号的非相干接收机误码率。
However, as a wireless communication system, the signal transmitted on the wireless channel should be affected by multipath fast fading and the received quality of the signal will be lowered.
但作为一个无线通信系统，所传输的信号必然受到无线信道的多径快衰落影响从而降低信号的接收质量。
This paper studies the fading process of signal in the vector channel from the perspective of time domain and space domain.
研究了矢量信道在时域和空间域对信号的影响，即信号的快衰落特性。
Known are wireless digital communication systems (1) applying an antenna diversity scheme to combat fading in a received signal as received by a receiver in the system.
利用天线分集方案以便在系统中消除接收机接收到的信号的衰减现象的无线数字通信系统(1)是已知的。
Then introduces the pulse waveform, the architecture of the UWB transceiver, the fading models of the signal, the indoor channel models, at last some multiple access systems are presented as follow.
接着介绍了超宽带的脉冲形成方式、调制方式、收发机系统结构、信号衰减模型、室内多径信道模型以及各种多址系统，为后面的章节做好铺垫。
This paper presents a blind algorithm to estimate the signal-to-noise ratio(SNR) of a communication signal in multipath Rayleigh fading channel .
提出了一种在多径瑞利衰落信道中的信噪比盲估计算法。
In wireless communication system, Inter-symbol Interference is serious and signal is distorted extremely because of fading channel resulted in by the effect of multipath.
在无线通信系统中，由于多径效应常常引起信道衰落，直接结果是码间干扰非常严重。
The fader is used for fading the integrated signal and outputting a fading signal, and the local feedback circuit is used for feeding the fading signal to the integrator module.
信号衰减器用于衰减积分信号以输出一衰减信号，而本地反馈电路用于将衰减信号反馈至积分模块中。
Simulations show that the scheme gives a signal-to-noise ratio (SNR) improvement of about 0.4 dB over a frequency-selective fading channel compared with PN sequence padding.
仿真表明，在频率选择性信道下误符号率较PN序列填充方案有0.4dB左右的性能改善。
Simulations show that the scheme gives a signal-to-noise ratio (SNR) improvement of about 0.4 dB over a frequency-selective fading channel compared with PN sequence padding.
仿真表明，在频率选择性信道下误符号率较PN序列填充方案有0.4dB左右的性能改善。
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