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 SR = 0.909 EP
1 EP = 1.1 SR
例子:
将15 信号冗余转换为错误保护冗余:
15 SR = 13.636 EP
| 信号冗余 | 错误保护冗余 |
|---|---|
| 0.01 SR | 0.009 EP |
| 0.1 SR | 0.091 EP |
| 1 SR | 0.909 EP |
| 2 SR | 1.818 EP |
| 3 SR | 2.727 EP |
| 5 SR | 4.545 EP |
| 10 SR | 9.091 EP |
| 20 SR | 18.182 EP |
| 30 SR | 27.273 EP |
| 40 SR | 36.364 EP |
| 50 SR | 45.455 EP |
| 60 SR | 54.545 EP |
| 70 SR | 63.636 EP |
| 80 SR | 72.727 EP |
| 90 SR | 81.818 EP |
| 100 SR | 90.909 EP |
| 250 SR | 227.273 EP |
| 500 SR | 454.545 EP |
| 750 SR | 681.818 EP |
| 1000 SR | 909.091 EP |
| 10000 SR | 9,090.909 EP |
| 100000 SR | 90,909.091 EP |