Development of Wind Observation System Utilizing Single Photogrammetry.
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概要
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The objectives of the study are to develop a system to measure the data of wind flow in both the horizontal and vertical directions utilizing single photogrammetry, and to establish the methodology for three dimensional measurement on site of wind flow near the ground surface.<BR>This system uses a one 35mm still camera set on the ground, which photograph balloons released as a tracer, thereby three-dimensionally analysing the balloon's path of particle.<BR>The paper first describes the fabrication of an analytical theory, followed by experiments carried out using the theory. The experiments consisted of a provision and utility experiment. The provision experiment consisted of a measurement of the three-dimensional position of a ping-pong ball suspended in a laboratory with a single photograph of the ping-pong ball being used. The utility experiments measured the paths of particles of wind flowing over buildings and mountainous regions.<BR>The results of the experiments proved that the fabricated analytical theory was effective.
- 社団法人 日本写真測量学会の論文
社団法人 日本写真測量学会 | 論文
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