| 摘要 |
The invention provides a method of structuring a set of signals according to predetermined patterns by means of an apparatus for processing said signals, said patterns forming a hierarchy, wherein a pattern of a higher order comprises at least one pattern of a lower order, said method comprising the steps of: providing a set of signals comprising at least one unit of signals matching a signal patterns, said unit comprising information identifying the signals comprised in said unit, comparing a group of signals out of said set of signals, comprising at least one of said units, to one or more predetermined patterns of a higher order than the order of a unit contained in said group of signals by said processing apparatus, if a match is found, modifying said set of signals by said processing apparatus, said step of modifying said set comprising the step of replacing the group of signals matching the pattern by a higher order unit corresponding to said group of signals matching said higher order pattern, said unit having an order corresponding to the order of the higher order pattern and comprising information identifying the signals comprised in said unit.
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