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 FDR = 1.818 DC
1 DC = 0.55 FDR
例子:
将15 频级冗余转换为差分编码:
15 FDR = 27.273 DC
| 频级冗余 | 差分编码 |
|---|---|
| 0.01 FDR | 0.018 DC |
| 0.1 FDR | 0.182 DC |
| 1 FDR | 1.818 DC |
| 2 FDR | 3.636 DC |
| 3 FDR | 5.455 DC |
| 5 FDR | 9.091 DC |
| 10 FDR | 18.182 DC |
| 20 FDR | 36.364 DC |
| 30 FDR | 54.545 DC |
| 40 FDR | 72.727 DC |
| 50 FDR | 90.909 DC |
| 60 FDR | 109.091 DC |
| 70 FDR | 127.273 DC |
| 80 FDR | 145.455 DC |
| 90 FDR | 163.636 DC |
| 100 FDR | 181.818 DC |
| 250 FDR | 454.545 DC |
| 500 FDR | 909.091 DC |
| 750 FDR | 1,363.636 DC |
| 1000 FDR | 1,818.182 DC |
| 10000 FDR | 18,181.818 DC |
| 100000 FDR | 181,818.182 DC |