系统内冗余或重复数据的度量,表明存储和潜在性能问题效率低下。
1 DF = 0.882 CC
1 CC = 1.133 DF
例子:
将15 数据保真度冗余转换为卷积代码冗余:
15 DF = 13.235 CC
| 数据保真度冗余 | 卷积代码冗余 |
|---|---|
| 0.01 DF | 0.009 CC |
| 0.1 DF | 0.088 CC |
| 1 DF | 0.882 CC |
| 2 DF | 1.765 CC |
| 3 DF | 2.647 CC |
| 5 DF | 4.412 CC |
| 10 DF | 8.824 CC |
| 20 DF | 17.647 CC |
| 30 DF | 26.471 CC |
| 40 DF | 35.294 CC |
| 50 DF | 44.118 CC |
| 60 DF | 52.941 CC |
| 70 DF | 61.765 CC |
| 80 DF | 70.588 CC |
| 90 DF | 79.412 CC |
| 100 DF | 88.235 CC |
| 250 DF | 220.588 CC |
| 500 DF | 441.176 CC |
| 750 DF | 661.765 CC |
| 1000 DF | 882.353 CC |
| 10000 DF | 8,823.529 CC |
| 100000 DF | 88,235.294 CC |