Position calculating method and position calculating device

Details Position calculating method and position calculating device Position calculating method and position calculating device

2009-12-09

2011-12-27

Tarcza, Thomas (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

Reexamination Certificate

active

08085197

ABSTRACT:
A position calculating method includes: executing position calculation processing using a plurality of Kalman filter processing, which is processing corresponding to each of a plurality of power spectral density groups classified by performing in advance frequency analysis on the movement acceleration of a movable body as an object of position calculation and which includes an error parameter set to a different value according to the power spectral density group and a parameter indicating that the movable body is in a uniform motion state, on the basis of a satellite signal from a positioning satellite; and determining the position of the movable body using a position calculated by each Kalman filter processing.

REFERENCES:
patent: 6609080 (2003-08-01), Syrjarinne
Yaakov Bar-Shalom et al. Estimation with Applications to Tracking and Navigation, 2001, pp. 92-93 and 453-457, A Wiley-Interscience Publication, John Wiley & Sons, Inc., USA.

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