Decoding codes such as BCH, RS codes consist essentially of solving the key equation, namely, finding error locator polynomial.
BCH码、RS码的译码问题主要归结为一个所谓关键方程的解决，也即是错位多项式的求法。
At the same time, some basic formulas of RS(255,247)code are also concluded, such as generated polynomial, syndromes matrix, key equation and so on.
并针对该系统所用的RS（255，247）码推导出了一些基本公式，包括生成多项式，伴随式矩阵，关键方程等。
At the same time, some basic formulas of RS(255,247)code are also concluded, such as generated polynomial, syndromes matrix, key equation and so on.
并针对该系统所用的RS（255，247）码推导出了一些基本公式，包括生成多项式，伴随式矩阵，关键方程等。
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