Portable vegetation coverage measuring instrument
A technology of vegetation coverage and measuring instrument, which is applied in the direction of measuring devices, instruments, and optical devices, can solve the problems of not being able to guarantee the level of camera shooting status, and achieve the effect of extracting vegetation coverage, scientific conception, and simple structure
Inactive Publication Date: 2009-05-27
BEIJING NORMAL UNIVERSITY
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Abstract
The invention relates to a portable plant coverage measuring instrument which includes a support bar, a main bar, a camera platform and a digital camera; wherein the support bar is a fork form member with an upper section of a steel pipe and a lower section of two spines, and is arranged on ground; the main bar is also a steel pipe, is used for lifting the camera platform to a certain height, and is connected with the support bar through a pin; the camera platform includes a downward semicircular ring, a horizontal circular ring and a horizontal square frame; and one end of the main bar is controlled by a surveyor, the other end is connected with the camera platform, and the camera platform can fast help the camera to recover horizon through the force of gravity. The camera platform is a key member of the present invention, is designed based on principle of holder, and can make the digital camera, which is shook arbitrarily, fixed on the square frame recover horizontal state once the digital camera is in horizontal state. The measuring instrument has advantages of scientific conception, simple structure and easy manufacture.
Application Domain
Using optical means
Technology Topic
Steel tubeSquare Shape +9
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