Digital Communication project, QPSK over AWGN and Rayliegh Multipath Effects.
数字通信工程，对AWGN和瑞利多径效应调制。
There are severe Multipath Effects, Doppler Spread and noise in underwater acoustic channels.
水声信道存在多径效应、多卜勒频偏及各种噪声干扰。
The second chapter of this paper analyzes the multipath effects and fading effects of wireless channel.
第二章分析了无线信道的多径效应和小尺度衰落效应。
In the radar elevation coordinate, the multipath effects are more severe, which cause periodic peak error in the target height measurement.
在雷达俯仰角(目标高度)方向上多径误差的影响尤为严重，使得目标高度的测量误差表现为周期性的尖峰误差。
The echo of short range radar detecting ground targets are analyzed in this paper, Models for targets, multipath effects and clutter are constructed.
对近程地面目标监测雷达的回波进行分析，建立相应的目标信号模型、多路径效应回波模型和杂波模型。
For inverse synthetic aperture radar (ISAR), the multipath effects introduce two artifacts in its reconstructed images, which greatly hinders radar target recognition and classification.
对于逆合成孔径雷达(ISAR)而言，多径效应会在ISAR的二维目标重建像上引入两个伪像，这将会影响雷达的目标识别与分类。
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。
An efficient approximation for expressions of the average error probability are developed based on considering the effects of multipath interference, multiple access interference and channel noise.
基于多径干扰、多址干扰和信道噪声的机理分析，推导了计算平均差错概率的有效近似公式。
They are relatively immune to multipath cancellation effects, such as when a strong reflected wave arrives out of phase with the direct path signal, reducing the signal strength in the receiver.
相对而言，它们不受多路径消除效应的影响，例如当返回的强反射波与直接路径信号不同相位时，降低了接收机中的信号强度。
Multicarrier modulation is a form of parallel data transmission, which is efficient to reduce the detrimental effects of multipath fading.
多载波调制技术是一种并行数据处理方式，有效地对抗多径衰落，可以提高无线带限信道的数据传输速率。
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。
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。
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