The substate indication is an indication of which of the complementary set of states the combined state represents for the data symbol.
子状态指示是对于数据码元、该组合的状态代表互补状态组中的哪个的指示。
For each data symbol and each combined state, a Viterbi processor (703) determines a path metric and a substate indication for each path to the combined state.
In addition, the present invention relates to a method of reducing the HST of a paper substate by applying the sizing composition to at least one surface thereof.