PROBLEM TO BE SOLVED: To provide a monitor system capable of optically observing a target object going around the earth from the ground, and estimating a feature, state, and kind of the target object even when altitude of the target object is equal to or more than a stationary orbit, and a monitor method using the monitor system.SOLUTION: Change of luminance of the target object is analyzed, and periodicity of the luminance is extracted. By performing matching with a catalog in which pieces of data related to candidates of the target object are recorded, a feature of the target object is estimated. Even when resolution obtained by optical observation is low, as long as the luminance information can be acquired, the feature and state of the target object can be estimated.
【課題】地球を周回する目標対象物を地上から光学的に観測し、目標対象物の高度が静止軌道程度またはそれ以上であっても、その特徴、状態、種類などを推定出来る監視システムと、この監視システムを用いた監視方法とを提供する。【解決手段】目標対象物の輝度の変化を解析し、輝度の周期性を抽出する。目標対象物の候補に係るデータを収録したカタログとのマッチングによって、目標対象物の特徴を推定する。光学観測によって得られる解像度が低くても、輝度情報さえ取得出来れば、目標対象物の特徴、状態などを推定することが可能となる。【選択図】図3
MONITOR SYSTEM AND MONITOR METHOD
監視システムおよび監視方法
2015-11-16
Patent
Electronic Resource
Japanese
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