以下关于海明码的叙述中，正确的是（ ）。
- A.海明码利用奇偶性进行检错和纠错
- B.海明码的码距为 1
- C.海明码可以检错但不能纠错
- D.海明码中数据位的长度与校验位的长度必须相同
正确答案及解析
正确答案
解析
海明码是利用奇偶性来检错和纠错的校验方法，码距最小为2n+1。
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