译码单元 meaning in Chinese

decode unit

After briefly introducing the baseband procession in wcdma system , this paper indicates a new type of channel coding method - turbo code , and shows the actual encoding scheme in wcdma system . the basic principles of coding and decoding of turbo codes are discussed , and the map and max - log - map algorithms which are suitable for the turbo code are detailedly discussed . then , the interleaver of turbo code is also presented
本文在简要介绍wcdma系统基带数据处理流程的基础上，详细介绍了信道译码单元所采用的一种新的纠错码? turbo码，简述了turbo码的编、译码原理，重点介绍了适用于turbo码的map和max - log - map译码算法。