| 数字电视信道传输中RS译码算法的研究 |
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| 引用本文： | 张天瑜.数字电视信道传输中RS译码算法的研究[J].曲阜师范大学学报,2009,35(2):74-78. |
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| 作者姓名： | 张天瑜 |
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| 作者单位： | 无锡市广播电视大学机电工程系,214011,江苏省无锡市
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| 摘 要： | 针对数字电视译码电路复杂，译码速度不高的缺点，利用多项式带余除法的相关推论，提出一种改进型欧几里德算法．与传统欧几里德算法相比，该算法在求解关键方程的过程中能够较为容易地得到错误值多项式和错误位置多项式，从而可以降低硬件电路的复杂性，提高译码速度．仿真结果表明当误码个数不超过错误容限时，该算法能够完成正确译码的效果．
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| 关 键 词： | RS码 多项式带余除法 关键方程 欧几里德算法 FPGA仿真 错误容限 |
Research of RS Decoding Algorithm in Channel Transmission of Digital TV |
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| ZHANG Tian-yu.Research of RS Decoding Algorithm in Channel Transmission of Digital TV[J].Journal of Qufu Normal University(Natural Science),2009,35(2):74-78. |
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| Authors: | ZHANG Tian-yu |
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| Institution: | Department of Mechanical and Electrical Engineering;Wuxi Radio & Television University;214011;Wuxi;Jiangsu;PRC |
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| Abstract: | According to the disadvantages of the complexity of decoding circuit in digital TV and the moderate speed of decoding,a modified Euclidean algorithm is proposed by the related deduction of division with reminder of polynomials.Compared with the traditional Euclidean algorithm,the proposed algorithm can easily get error value polynomial and error locator polynomial in the process of solving key equation.Moreover,it can decrease the complexity of hardware circuit and improve decoding speed.The simulation resu... |
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| Keywords: | Reed-Solomon code division with reminder of polynomials key equation Euclidean algorithm FPGA simulation error tolerance |
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