Polarization Diversity and Maximum Ratio Combining ( MRC) is used to restrain the sharp signal fading in the telemetry systems, in which the object is in flight at a high speed and rotating and in low elevation. 在信号极化衰弱现象严重的环境中对快速飞行目标、低仰角运动目标以及旋转运动目标等进行遥测接收时,极化分集最大比合成技术可以有效的改善接收性能。
The dissertation discusses the elimination polarization fading technique and phase-generated-carrier homodyne detection technique of interferometric fiber-optic hydrophone in details; 论文详细论述了干涉型光纤水听器的消偏振衰落技术和PGC零差检测技术;
Simulation results show that MIMO wireless system using polarization diversity is of excellent fading characteristic, and channel capacity is increased effectively. 研究表明,采用极化分集技术的MIMO系统具有良好的非相关衰落特性,信道容量得到显著提高。
The results show that the FRM have a significant effect for the elimination of the polarization induced signal fading phenomenon. 3. 结果表明,FRM对于消除偏振诱导信号衰落现象有显著效果。
This article study electromagnetic field intensity coverage in the rectangular tunnel and rectangular hangar tunnel. Summarized their characteristics in different geometry size, different electromagnetic transmission frequency, different electromagnetic polarization mode, shown there exists very obvious phenomenon of multipath fading. 本文对矩形隧道和矩形棚洞内的场强分布进行了研究,总结了不同几何尺寸、电磁传播频率、电磁极化方式下,其中的电磁传播特点,发现其具有很明显的多径衰落现象。
On ground communications, dual-polarized antenna polarization diversity can communicate, when a better communication system against the anti-multipath fading characteristics; in satellite communications we can polarization isolation sending and receiving. 在地面通信中,双极化天线可以实现极化分集通信,同时也让通信系统有更好的抗多径衰落特性;在卫星通信中可以实现收发的极化隔离。