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Description: 本例程对十字形32QAM信号进行盲均衡处理，码间干扰可以降低到-30db，输出星座图更清晰-The routines of cross blind equalization 32QAM signal processing, inter-symbol interference can be reduced to-30db, output constellation diagram more clearly
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Author: 胡建红 |
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Description: 摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向，交频分复用
OFDM)是一种无线环境下的高速传输技术，它对高速列车控制信息传输中卞要受到的由于多
径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和
基本原理，然后在计算机上用M atlal〕对其性能进行了仿真，仿真中将OFDM与传统的单载波
调制方式—i1，交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较，最后分析了一者的仿真结果.
-Abstract: Based on the communication technology train operation control system (CBTC) is a railway signal direction for the development of cross-frequency division multiplexing OFDM) is a wireless environment of high-speed transmission technology, its high-speed train control information transmission Bian be subject to the Due to the spread of multi-path fast fading caused by the impact of a strong resistance to diseases. This paper first introduces the OFDM technology development and the basic principles, and then on the computer〕 M atlal use its performance simulation will OFDM with the traditional single-carrier modulation-i1, cross-amplitude modulation (1frQAM) against multi-path interference of the 10 properties were compared with a final analysis of the simulation results.
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Author: ma ming |
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Description: 基于互谱的盲信道辨识与均衡.单输入两输出情况(两接收天线）.支持M-PAM、QAM两种调制方式 -Cross-Spectrum Based Blind Channel Identification and Equalization:
Methodology and MATLAB Code
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Size: 11264 |
Author: 倪浩 |
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Description: 参考文献是<Blind phase recovery in cross QAM communication systems with the reduced-constellation eighth-order
estimator(RCEOE)>,Cartwright,2005
减化为8个正交的点。减化星座法，只利用了8个能量最高的点。从APP方法改进而来，与EOE方法不同。需要进行增益控制。-Reference is <Blind phase recovery in cross QAM communication systems with the reduced-constellation eighth-order
estimator (RCEOE)>, Cartwright, 2005
Cut into 8 orthogonal points. Reduction of the constellation method uses only eight highest-energy point. APP comes from the improved method, and EOE different methods. The need for gain control.
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Size: 1024 |
Author: hyy |
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Description: 参考文献<blind phase recovery in cross QAM communication systems with eighth-order statitics>
2001,cartwright- References <blind phase recovery in cross QAM communication systems with eighth-order statitics>
2001, cartwright
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Author: hyy |
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