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multiple transmitter中文是什么意思

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  • At the same time, a simple channel estimator that can suppress the peak-to-average power ratio ( papr ) for ofdm system with multiple transmitter antennas is proposed, its simulation proves again the result . ( 5 ) ofdm receiver is proposed with multiple transmitter antenna and alamouti scheme
    結(jié)果表明,多個獨立天線ofdm系統(tǒng)的性能明顯優(yōu)于單天線的ofdm系統(tǒng);同時還給出了一種簡單的能有效抑制峰值功率平均功率比(papr)且適于多發(fā)射天線ofdm系統(tǒng)的導(dǎo)頻符號輔助的信道估計方法,仿真結(jié)果再次證明了上述結(jié)論。
  • At the same time, a simple channel estimator that can suppress the peak-to-average power ratio ( papr ) for ofdm system with multiple transmitter antennas is proposed, its simulation proves again the result . ( 5 ) ofdm receiver is proposed with multiple transmitter antenna and alamouti scheme
    結(jié)果表明,多個獨立天線ofdm系統(tǒng)的性能明顯優(yōu)于單天線的ofdm系統(tǒng);同時還給出了一種簡單的能有效抑制峰值功率平均功率比(papr)且適于多發(fā)射天線ofdm系統(tǒng)的導(dǎo)頻符號輔助的信道估計方法,仿真結(jié)果再次證明了上述結(jié)論。
  • The assumption that the channel is known is questionable in a rapidly changing mobile environment, or when multiple transmitter antennas are employed . unitary space-time codes and differential unitary space-time codes do n't need any channel information . we discuss the unitary space-time codes briefly and study the details of the dustc, including the fundamental differential transmission and receiver equation, and parameters searching algorithm . the parameters searching and simulations results is proposed
    酉空時編碼及酉差分空時編碼(dustc)都不需要信道信息,著重研究了酉差分空時編碼技術(shù),簡要說明了酉空時編碼的信號形式及星座設(shè)計方法;分析了dustc的發(fā)送和接收公式,分析了dustc的嚴格pep和sep的聯(lián)合界,給出了當(dāng)snr值在不同的范圍時,dustc星座參數(shù)的選取準(zhǔn)則,并進行了rayleigh衰落信道的仿真。
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