Mitsubishi Electric Corporation

Kenta Ida

Hiroshi Kameda

Yuki Takabayashi

Takashi Matsuzaki

A tracking error covariance matrix updating unitthat updates a tracking error covariance matrix P(&#x2212;) before update at a sampling time k by using a nominal distance difference error parameter &#x3c3;&#x394;and that outputs the tracking error covariance matrix P(+) after update is disposed, and a TrackDOP calculating unitcalculates an evaluation index TrackDOP for tracking accuracy for a target by using both the tracking error covariance matrix P(+) after update, and the nominal observation error parameter &#x3c3;&#x394;.

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Tokyo, Japan

Kenta Ida