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| 伪噪声 | |||
| 伪随机噪声 (用 PN 码产生的宽频带类似噪声的信号) | |||
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| 伪噪声编号 | |||
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pseudonoise : 13 phrases in 3 subjects |
| Air defense | 1 |
| Cartography | 1 |
| Electronics | 11 |
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