| 摘要 |
FIELD: information technology.SUBSTANCE: system includes an electronic input means (21) configured to generate input data indicating a geographical area, an electronic storage means (23) for storing satellite images, an electronic extraction means (22) configured to store orbital data indicating the space orbit of the satellite and select a satellite image stored in the electronic storage means (23) based on the stored orbital data.EFFECT: high rate of extracting a satellite image by a user.12 cl, 2 dwg |
