| Turbo差分跳频技术的收敛特性 |
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| 引用本文： | 陈立明,王震华.Turbo差分跳频技术的收敛特性[J].物联网技术,2013(12):56-58. |
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| 作者姓名： | 陈立明 王震华 |
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| 作者单位： | [1]南京熊猫汉达科技有限公司,江苏南京210002 [2]总参信息化部驻七一四厂军事代表室,江苏南京210002 |
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| 摘 要： | Tlurbo差分跳频（Turbo-DFH）是一种可靠性很高的跳频传输方式。对于Turbo-DFH系统自身而言，由于其频率转移函数的回归系数不同，收敛性能也会有所差异，并导致译码所需迭代次数的不同。因此，文中使用EXIT图来分析了Turbo—DFH系统的收敛特性，并通过仿真各种参数下的系统性能图，说明了各种性能参数对此系统的影响，并对比不同回归系数下Turbo—DFH系统收敛特性的区别，最终找出了所需迭代次数最少的回归系数。
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| 关 键 词： | Turbo EXIT 差分跳频（DFH） 达代译码 |
Convergence characteristics of Turbo-DFH technology |
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| CHEN Li-ming,WANG Zhen-hua.Convergence characteristics of Turbo-DFH technology[J].Internet of things technologies,2013(12):56-58. |
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| Authors: | CHEN Li-ming WANG Zhen-hua |
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| Affiliation: | 1. Nanjing Panda Handa Science and Technology Co., Ltd., Nanjing 210002, China; 2. General Stafflnformation Technology Department Military Representative Office in 714 factory, Nanjing 210002, China) |
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| Abstract: | Turbo-DFH is a reliable transmission of frequency hopping. Different regression coefficient of frequency translation function has different convergence properties, and lead to different iterative times of coding. For this reason, the convergence properties of Turbo-DFH are analyzed by EXIT graph. The effective of various parameters to system performance is explained by the simulation. The regression coefficient with minimum iterations is found out through comparing different convergence properties of Turbo-DFH system in different regression coefficients. |
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| Keywords: | Turbo EXIT DFH Iterative decoding |
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