Geometric Gop pa code - Geometric Gop pa code

Japanese: 幾何学的 Gop pa 符号 - きかがくてきごっぱふごう
Geometric Gop pa code - Geometric Gop pa code


[Code performance]
The optimal error-correcting code is one that has a large code length n and a maximum code rate k / n when the distance ratio d / n is constant. For codes defined over a finite field F q with element number q of 49 or more, optimal codes have been found in a new class of codes called "algebraic geometric codes" or "geometric Gop pa codes." These are close to the ideal codes suggested by Shannon theory. …

*Some of the terminology explanations that mention "geometric Gop pa code" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[符号の性能]
 誤り訂正符号としては,大きい符号長nをもち,距離比d/nを一定としたとき,符号化率k/nが最大となるものが最適である。要素数qが49以上の有限体Fq上で定義されるものとしては,〈代数幾何符号〉または〈幾何学的Gop pa符号〉と呼ばれる新しい符号クラスの中に最適なものが見出されている。これは,シャノン理論の示唆する理想的な符号に近いものである。…

※「幾何学的 Gop pa 符号」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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