Design the material code in the network source database using group coding technology and show detail examples of resource index database and test questions database.
运用成组编码技术对资源库中的资源进行编码设计，并以资源索引库和考试试题库为例进行详细说明。
Starting from the precise pair-wise error probability (PEP), the joint border of group coding signal error probability (SEP) in differential unitary space-time (DUST) modulation is deduced.
从精确成对错误概率(PEP)出发，推导得到了DUST调制群码符号误码率(sep)的联合边界。
Based on the characters of long rang underwater acoustic channels and MFSK modulation, a new Frequency Group Coding (FGC) method is proposed in this paper.
本文针对远程水下信道和MFSK调制的特点，提出了一种新的频率分组编码(FGC)方法。
Based on the characters of long rang underwater acoustic channels and MFSK modulation, a new Frequency Group Coding (FGC) method is proposed in this paper.
本文针对远程水下信道和MFSK调制的特点，提出了一种新的频率分组编码(FGC)方法。
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