Signal processor, signal processing method, signal...

Details Signal processor, signal processing method, signal... Signal processor, signal processing method, signal...

2005-01-18

2008-12-02

Malzahn, David H (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07461112

ABSTRACT:
A digital signal value is divided to a plurality of zones along a route. A median is computed based on a difference between a digital signal value and a sum of squares of each component of a filter output value for the digital signal values for each zone. A weighting factor for digital signals in each zone is computed and updated based the median for the zone. A filter output value for the digital signal value is obtained by executing filtration using the computed weighting factor.

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patent: 2001/0034749 (2001-10-01), Jiang
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ISO/TR 16510-10:2000(E) Geometrical Product Specification (GPS)-Data extraction techniques by sampling and filtration—Part 10: Robust Gaussian regression filter, 1999.
S. Brinkmann et al., Accessing roughness in three-dimensions using Gaussian regression filtering, International Journal of Machine Tools & Manufacture 41 (2001) 2153-2161.
S. Brinkmann et al., Development of a robust Gaussian regression filter for three-dimensional surface analysis, Xth International Colloquium on Surface, 2000, pp. 122-132.

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