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来源类型 | Articles |
规范类型 | 论文 |
Accuracy and precision of two laser dendrometers | |
de Jong, W. | |
发表日期 | 1998 |
出处 | Forestry 71(2): 131-139 |
出版年 | 1998 |
语种 | 英语 |
摘要 | Two commercial laser dendrometers were tested under controlled and field conditions, and contrasted with alternative instruments. Testing focused on height Measurement, but also considered distance and remote diameter measurements. Both laser instruments gave very precise estimates, but showed some bias. Users of these and other ‘high-tech’ instruments are reminded that precision is not synonymous with accuracy. Users should not become complacent about the submillimetre readout, but should calibrate instruments to examine if users’ accuracy requirements are satisfied. Instruments may need to be re-calibrated each measurement season and after any mishandling. |
主题 | measurement ; dendrometers ; instruments ; diameter ; height |
URL | https://www.cifor.org/library/280/ |
来源智库 | Center for International Forestry Research (Indonesia) |
资源类型 | 智库出版物 |
条目标识符 | http://119.78.100.153/handle/2XGU8XDN/89762 |
推荐引用方式 GB/T 7714 | de Jong, W.. Accuracy and precision of two laser dendrometers. 1998. |
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