| 一种提高扩频系统频带利用率的方法 |
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| 引用本文： | 仰书耀,陈吉忠. 一种提高扩频系统频带利用率的方法[J]. 南京航空航天大学学报, 1992, 0(6) |
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| 作者姓名： | 仰书耀 陈吉忠 |
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| 作者单位： | 南京航空学院电子工程系(仰书耀)，南京航空学院电子工程系(陈吉忠) |
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| 摘 要： | 本文提出了评价扩频系统频带利用率的新观点。针对扩频系统频带利用率较低的现状,作者认为应努力开展软扩频技术的研究。文章介绍了一种提高频带利用率的方法,即以n对m方式进行扩频编码,分析了这种扩频方式的主要技术问题。并给出了实验结果。
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| 关 键 词： | 扩展频谱调制 相关器 声表面波放大器 利用率 |
A Method of Raising Utilization Rate of Spread Spectrum Systems Frequency Band |
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| Yang Shuyao Che Jizong. A Method of Raising Utilization Rate of Spread Spectrum Systems Frequency Band[J]. Journal of Nanjing University of Aeronautics & Astronautics, 1992, 0(6) |
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| Authors: | Yang Shuyao Che Jizong |
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| Affiliation: | Department of Electronic Engineering |
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| Abstract: | This paper describes a new viewpoint: of evaluating the utilization rate of the spread spectrum system frequency band. In view of the lower utilization rate at present.the authors think that we should do research on a soft spread spectrum. In this paper.a method of raising the utilization rate (i. e. n by m spread spectrum coding) is described. Principal questions of this method are analyzed and experimental results are given. |
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| Keywords: | spread spectrum modulation.correlators acoustic surface-wave amplifiers utilization rate |
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