| 摘要 |
A system and method for producing an output logarithmic digital signal from an input digital signal having a plurality of bit values in which the output logarithmic signal has a precision defined by a parameter is described. The system (45) includes a search circuit (50), an interpolation circuit (55) in coupled with the search circuit, a shift circuit (60) in coupled with the interpolation circuit and a combiner (65) that produces an output logarithmic digital signal (90) from a received search circuit output (75) and a received shift circuit output (88).
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