抗衰落技术
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在移动通信中,分集技术是一种最有效的抗衰落技术。
Diversity is an effective technique on combating channel fading in mobile communications .
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数字微波通信中的抗衰落技术
Antifading Technology in Digital Microwave Communication
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而移动通信频谱资源的有限性决定了下一代的移动通信必须采用频谱利用率高的抗衰落技术来提高系统的性能,从而支持高速率多媒体业务的传输。
The next generation communication system has to support the transmission of high rate data and multimedia applications in the radio spectrum , which is already extremely scarce .
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另外,由于无线信道的时变性,无线多播需要采用一些抗衰落技术来克服无线信道所带来的不良影响。
In addition , due to the time-varying characteristics of the wireless channel , some physical layer technologies are necessary to overcome the adverse ef-fects brought by the wireless channel .
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在进行抗衰落技术研发和设计的过程中,为了对算法和系统的性能进行评估,首先需要对无线信道的衰落特性进行深入的研究并建立起相应的数学模型。
During the research and development of anti-fading techniques , the in-depth investigation and reliable model of the fading characteristics provide important foundation for the performance evaluation of algorithms and systems .
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数字移动通信中的抗多径衰落技术
Anti - multipath - fading Techniques in Digital Mobile Communications Systems
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数字通信的抗多径衰落技术及其性能仿真
The Correction Techniques and Their Performance Simulation or the Multipath Fading in Digital Communication
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在高速移动通信系统中,必须采用抗多径衰落技术,才能实现有效传输。
This makes it necessary to adopt anti-multipath techniques in high speed mobile communication systems .
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无线网络技术的迅猛发展为抗多径衰落技术带来了新的问题与挑战。
The explosive growth of wireless network has posed new issues and challenges for anti-multipath-fading technology ( AMFT ) .
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研究和仿真结果表明,STBCOFDM技术是一种非常有效的抗频率选择性随机衰落技术。
The results of simulation show that STBC-OFDM is a highly effective technology for combating frequency-selective random fading .
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它是移动通信系统中抗衰落的三大技术之一,也是通信和信号处理领域的前沿课题,在通信,声纳,雷达,地震勘探,生物医学工程,控制工程等领域中得到广泛应用。
It is not only one of three antifading techniques in mobile communication system , but also the advanced research subject in communication and signal processing field .