| 数据符号 (十进制) | 数据符号 (二进制)(b0 b1 b2) | 码字 (c0 c1 c2 c3) |
| 0 | 000 | 1 1 1 1 |
| 1 | 001 | 1 -1 1 -1 |
| 2 | 010 | 1 1 -1 -1 |
| 3 | 011 | 1 -1 -1 1 |
| 4 | 100 | -1 -1 -1 -1 |
| 5 | 101 | -1 1 -1 1 |
| 6 | 110 | -1 -1 1 1 |
| 7 | 111 | -1 1 1 -1 |
| 输入chirps ( ) | 幅度 | 输出相位 (rad) |
| 1,1 | 1 | 0 |
| -1,1 | 1 | |
| 1,-1 | 1 | |
| -1,-1 | 1 | |
| | 1 | 2 | 3 | 4 |
| 1 | +1 | +1 | -1 | -1 |
| 2 | +1 | -1 | +1 | -1 |
| 3 | -1 | -1 | +1 | +1 |
| 4 | -1 | +1 | -1 | +1 |
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