相邻码 meaning in English

adjacent code

Dpsk is one of the means to represent digital information through relative carrier phase of the neighboring symbols
Dpsk方式即是利用前后相邻码元的相对载波相位值去表示数字信息的一种方式。
This is achieved by ensuring thatany sequence of symbols formed by portions of two adjacent code words differs in at least one symbol from any valid word
这可通过下述方法做到：保证两个相邻码字的部分组成的任意符号序列与任一有效码字至少有一个符号不同。