Signal level decision device and method
First Claim
1. A signal level decision device to determine the level of a source signal which includes a plurality of source messages along a time axis while each source message corresponds to one of a plurality of normal levels and each of the normal levels is equivalent to at least one of a plurality of extension levels, comprising:
- a storage circuit to store the level information of the normal level(s) and the equivalent extension level(s) thereof in connection with some or all of the source messages;
a transition parameter calculation circuit to calculate a plurality of transition parameters of the normal level and its equivalent extension level(s) in connection with each of the source messages according to the level information; and
a decision circuit to determine the level of each of the source messages according to the plurality of transition parameters.
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Abstract
The present invention discloses a signal level decision device to determine the level of a source signal. Said source signal comprises a plurality of source messages along a time axis; each source message corresponds to one of a plurality of normal levels; and each normal level is equivalent to at least one of a plurality of extension levels. The signal decision device comprises: a storage circuit to store the level information of the normal level(s) and the equivalent extension level(s) thereof in connection with some or all of the source messages; a transition parameter calculation circuit to calculate a plurality of transition parameters of the normal level and its equivalent extension level(s) in connection with each of the source messages according to the level information; and a decision circuit to determine the level of each of the source messages according to the plurality of transition parameters.
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Citations
20 Claims
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1. A signal level decision device to determine the level of a source signal which includes a plurality of source messages along a time axis while each source message corresponds to one of a plurality of normal levels and each of the normal levels is equivalent to at least one of a plurality of extension levels, comprising:
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a storage circuit to store the level information of the normal level(s) and the equivalent extension level(s) thereof in connection with some or all of the source messages; a transition parameter calculation circuit to calculate a plurality of transition parameters of the normal level and its equivalent extension level(s) in connection with each of the source messages according to the level information; and a decision circuit to determine the level of each of the source messages according to the plurality of transition parameters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A signal level decision method to determine the level of a source signal which includes a plurality of source messages along a time axis while each source message corresponds to one of a plurality of normal levels and each of the normal levels is equivalent to at least one of a plurality of extension levels, comprising the following steps:
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storing the level information of the normal level(s) and the equivalent extension level(s) thereof in connection with some or all of the source messages; calculating a plurality of transition parameters of the normal level and its equivalent extension level(s) in connection with each of the source messages according to the level information; and determining the level of each of the source messages according to the plurality of transition parameters. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification