例句與造句

1. In detail , they are bit - interleaved coded modulation ( with iterative decoding ) , low - density parity - check codes and stf technology . by the performance analysis of bicm ( - id ) , which can make code and modulation optimal separately , and achieve maximum possible coding diversity as well as modulation gain , guidelines for its design and an easy algorithm for siso are proposed . design of capacity - approaching of ldpc codes and efficient encoding of them as well as several kinds of its decoding algorithms are investigated
   具體的講，就是討論了基于比特交織的編碼調(diào)制技術(shù)，并給出了映射方式的設(shè)計準則以及核心模塊siso的一種簡單的f - map算法；研究了編碼最小漢明距隨碼長線性增加的ldpc碼的幾個方面的問題，包括接近香農(nóng)限碼子集的度分布對的設(shè)計、有效編碼器的實現(xiàn)和各種譯碼算法的優(yōu)缺點，并對基于ldpc碼的bicm應(yīng)用于ofdm傳輸系統(tǒng)中的性能進行了仿真。
2. It's difficult to find code diversity in a sentence. 用code diversity造句挺難的