This paper presents principle of the effects of multipath propagation with its effects on low elevation angle tracking.
介绍多径效应产生的机理及对低仰角跟踪的影响。
In multipath propagation model, arrival Angle, delay and strength received by an antenna array for same signal source are estimated.
利用天线阵列对同一信源信号经过多径传输到达终端的时间时延、角度和强度进行了联合估计。
Stochastic bridge processes are employed to analyze the characteristics of UWB multipath propagation channels in the current research.
使用随机桥过程研究超宽带(uwb)多径传播信道。
But the noises, the attenuation and the multipath propagation inhering in the powerline make it very difficult to realize such kind of communication system.
但是电力线信道上存在的各种噪声、衰减和多径传播等问题，这些都大大提高了通信的难度。
It is an important action to improve the propagation quality of communication suffered from rising the BER on multipath propagation in digital mobile radio communication.
这对于在移动数字通信中，改善由多径效应引起的误码率增高而严重影响通信的传输质量，具有非常重要的指导作用。
Time variant multipath propagation in acoustic channel causes serious intersymbol interference (ISI), which makes high speed data transmission over acoustic channel very difficult.
但水声信道的时变多途效应造成接收数据严重的码间干扰（I S I），使得高速水声通讯的实现十分困难。
Transparent tone-in-band(TTIB) and feedforward signal regeneration(FFSR) is a technology to combat the effects of multipath propagation delay and doppler effect in wireless channels.
TTIB（透明带内导音）及FFSR（前馈信号再生）技术是一种可抗无线信道中多径时延及多谱勒频移引起的信号衰落的技术。
A new technique is described, transparent tone in band (TTIB), which can combat the effects of multipath propagation on single sideband (SSB) mobile radio system is describe in this paper.
先进的抗干扰技术——ttib(透明带内导音)，它可以抗短波单边带移动电台系统上的多径干扰。
Because the indoor environment is very complex, and it's greatly influenced by multipath propagation and random noise, the research on the algorithms of indoor location system is of great challenge.
由于室内环境复杂，多径传播、随机噪声干扰等影响较大，因此室内定位系统的算法研究具有挑战性。
Based on stochastic bridge processes, an idea of stochastic beams is introduced, which can be used to exploit the propagation characteristics of Ultra-wideband (UWB) indoor multipath channels.
从随机桥过程出发引入随机波束概念，使用随机波束研究超宽带(uwb)室内多径信道的传播特性。
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；
In the algorithm, the propagation delays and the angles of multipath are firstly estimated by a modified TST-MUSIC algorithm.
该方法首先通过修正后的TST - MUSIC算法估计多径的传播时延和角度。
In the algorithm, the propagation delays and the angles of multipath are firstly estimated by a modified TST-MUSIC algorithm.
该方法首先通过修正后的TST - MUSIC算法估计多径的传播时延和角度。
应用推荐