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在现代数字通信系统中，纠错编码与交错技术相结合是系统抗灾发干扰和随机干扰的有效措施。本文介绍了一种交错—扩散卷积码的原理及实现方法，详细讨论了交错及系统的硬件实现，并给出了实验结果。本系统在１０２４ｋｂｉｔ／ｓ信道上，在有一定保护长度的条件下，可纠正连续３００比特的突发误码；对随机误码改善可从１０－３改善到１０－７。对有突发和随机误码的混合信道具有较强的适应能力。
In modern digital communication systems, the combination of error correction coding and interleaving is an effective measure to prevent the system from catastrophic interference and random interference. In this paper, the principle and implementation of an interleaved - spreading convolutional code are introduced. The hardware implementation of the interleaving and the system are discussed in detail, and the experimental results are given. The system can correct the burst error of continuous 300 bits with a certain length of protection on the 1024 kbit / s channel and the improvement of the random error from 10-3 to 10-7. For burst and random error of the mixed channel has a strong adaptability.