Each optimal subcode is constructed from the known dual and maximum self-orthogonal codes,and then the optimal code chains are formed.
4．从对偶码和极大自正交码出发，构造出了它们各自的最优子码，从而形成了最优码链。
参考来源 - 四元域上的自正交码研究Using the results in LDPC codes, convolutional codes that have the property of self-orthogonal are better to be chosen as component code. (4) The factor graph based sum-product algorithm and its implementation in analog VLSI are studied.
应用借助于LDPC码的研究成果，在Turbo码的设计上也应该倾向于选择具有自正交特性的卷积码来作为其分量码，以避免在进行和积译码时由于短的环路的存在而影响其性能；(4) 研究了基于因子图表示的和积译码算法及其模拟电路的实现，对构成模拟译码网络的基本构成模块进行了详细的分析与设计，提出了模拟译码网络的一
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研究了自对偶码与其删截得到的极大自正交码的等价性问题。
The equivalence of maximal self-orthogonal codes obtained from binary self-dual codes by truncating are discussed.
本文给出了整表代数的单边理想是自正交理想的必要充分条件。
A necessary and sufficient condition for an ideal of an integral table algebra being self-orthogonal is obtained.
然后提出了两种构造最佳自正交ue P码的方法，并给出了一类新的最佳自正交码。
Then, two constructing methods for optimal self-orthogonal UEP codes are proposed, and a new class of optimal self-orthogonal codes is also given.
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