17766296. COEFFICIENT UPDATE AMOUNT OUTPUT DEVICE, COEFFICIENT UPDATE DEVICE, COEFFICIENT UPDATE AMOUNT OUTPUT METHOD, AND RECORDING MEDIUM simplified abstract (NEC Corporation)
COEFFICIENT UPDATE AMOUNT OUTPUT DEVICE, COEFFICIENT UPDATE DEVICE, COEFFICIENT UPDATE AMOUNT OUTPUT METHOD, AND RECORDING MEDIUM
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COEFFICIENT UPDATE AMOUNT OUTPUT DEVICE, COEFFICIENT UPDATE DEVICE, COEFFICIENT UPDATE AMOUNT OUTPUT METHOD, AND RECORDING MEDIUM - A simplified explanation of the abstract
This abstract first appeared for US patent application 17766296 titled 'COEFFICIENT UPDATE AMOUNT OUTPUT DEVICE, COEFFICIENT UPDATE DEVICE, COEFFICIENT UPDATE AMOUNT OUTPUT METHOD, AND RECORDING MEDIUM
Simplified Explanation
The patent application describes a filter coefficient update amount output device that aims to suppress wrong convergence of a filter coefficient without reducing data communication speed.
- First output unit outputs a coefficient update amount based on the difference between a temporary determination result and the processed reception sample value.
- Second output unit outputs a coefficient update amount based on minimizing the difference between statistical information on the processed reception sample value and a set value.
- Third output unit combines the first and second coefficient update amounts to derive the final coefficient update amount.
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- Potential Applications
- Digital signal processing
- Communication systems
- Audio processing
- Problems Solved
- Wrong convergence of filter coefficients
- Maintaining data communication speed while updating coefficients
- Benefits
- Improved accuracy in filter coefficient updates
- Enhanced performance in digital filter processing
- Efficient data communication speed maintenance
Original Abstract Submitted
In order to suppress wrong convergence of a filter coefficient without reducing data communication speed, this filter coefficient update amount output device is provided with: a first output unit which outputs a first coefficient update amount derived from a difference between a temporary determination result regarding a processed reception sample value that is the reception sample value on which filter processing by a digital filter has been performed and the processed reception sample value; a second output unit which outputs a second coefficient update amount derived from a gradient with respect to the filter coefficient such that the magnitude of a difference between statistical information on the processed reception sample value during some duration of time, and a set value regarding the statistical information is minimized; and a third output unit which outputs the coefficient update amount derived from the first coefficient update amount and the second coefficient update amount.
