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US 7,117,128 B2Granted
Method and apparatus for digital signal filtering
AssigneeMotorola, Inc.
InventorsMagdi A. Mohamed, Weimin Xiao
Life of this patent
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Abstract
A Q-Filter is a reconfigurable technique that performs a continuum of linear and nonlinear filtering operations. It is modeled by unique mathematical structure, utilizing a function called the Q-Measure, defined using a set of adjustable kernel parameters to enable efficient hardware and software implementations of a variety of useful, new and conventional, filtering operations. The Q-Measure is is based on an extension of the well-known Sugeno λ-Measure.
Claims12
A method for filtering a signal to produce a filtered signal, the method comprising the steps of:
- setting a value of a variable parameter λ;
- setting a density generator vector ƒ={ƒ1,ƒ2, . . . , ƒn};
- constructing a q-measure based on the variable parameter λ and vector ƒ;
- and
- producing a filtered signal by filtering the signal based on the q-measure.
2 more elements
A filter for producing a filtered signal, the filter comprising:
- an input receiving a signal;
- an input receiving a variable parameter λ;
- an input receiving a density generator vector ƒ={ƒ1, ƒ2, . . . , ƒn};
- logic circuitry and memory components required for constructing a q-measure based on the variable parameter λ and vector ƒ and outputting a the filtered signal based on lie q-measure.
1 more element
Dependencies are inferred from the claim text.