| 一种较高频带利用率的无线传输数字调制 |
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| 引用本文： | 倪炳巍,张月.一种较高频带利用率的无线传输数字调制[J].电子科技,2011,24(2):19-20,26. |
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| 作者姓名： | 倪炳巍 张月 |
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| 作者单位： | (1.吉林交通职业技术学院 外语系,吉林 长春 130012;2.吉林交通职业技术学院 机械系,吉林 长春 130012) |
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| 摘 要： | 介绍了一种新的具有极高频带利用率的数字调制技术--最小波形差键控(VWDK),其可在不损失信噪比的前提下极大地压缩信号传输所需的频带.文中对VWDK的调制方式进行了理论分析,并给出了功率谱计算机仿真图.对VWDK的频带利用率进行估计,给出了VWDK传输系统设计方案.
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| 关 键 词： | 最小波形差键控 频带利用率 功率谱 调制与解调 |
A Wireless Transmission Data Modulation Technique with High Band Efficiency |
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| Ni Bingwei,Zhang Yue.A Wireless Transmission Data Modulation Technique with High Band Efficiency[J].Electronic Science and Technology,2011,24(2):19-20,26. |
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| Authors: | Ni Bingwei Zhang Yue |
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| Institution: | (1.Department of Foreign Languages,Jilin Vocational College of Transportation,Changchun 130012,China;
2.Department of Machine,Tilin Vocational College of Transportation,Chanchun 130012,China) |
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| Abstract: | VWDK,a new data modulation technique with high band efficiency is introduced.Using this technique,the frequency band needed for data transmission can be greatly compacted without loss of SNR.The theory of VWDK is explained and the simulation results are also presented.The band efficiency of VWDK is estimated and the design proposal for the VWDK transmission system is indicated. |
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| Keywords: | VWDK band efficiency Power spectrum Modem |
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