The development of a portable line spectrum radiometer

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  • 可搬型ライン分光センサの試作
  • カハンガタ ライン ブンコウ センサ ノ シサク

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Abstract

Remote sensing is technology which acquires the physical information of a measuring object indirectly based on the radiation acquired by a remote sensor. Therefore, to systematize the technology of converting the radiation to physical quantity is an important subject for remote sensing to spread in all the natural science fields. When acquiring vegetation and soil information by the satellite-borne and airborne remote sensor, accumulation of the knowledge in wide range temporal and spatial scale is required about the spectrum characteristic of a measuring object to the improvement in the measuring accuracy. For this reason, field measurements which measure the spectrum characteristic are indispensable to remote sensing research. The field spectrum radiometer needs to satisfy the measurement specification which is equivalent to the latest satellite-borne and an airborne sensor (hyper spectrum sensor etc.) .<BR>This paper reports the development of a portable line spectrum radiometer which can acquire line spectrum of the specific line of measurement target. Line spectrum radiometer can measure not only line spectrum but also three bands image of measurement target. Three bands image gives the detailed information about geometry and structure of measurement target, such as vegetation, background soil, shadow etc.

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