| 摘要 |
The invention relates to a method of determining a current trellis describing a plurality of paths starting from an initial state, said paths having a predetermined length smaller than or equal to a maximum length. It consists of: storing a reference trellis comprising all the paths of the trellis of maximum length, extracting the paths of said current trellis from said reference trellis, taking into account said maximum length, the length of said current trellis, and the initial state of the paths. Application: Data encoding using variable length trellis, for example V90.
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