[1] 孟宪宇.测树学[M].2版. 北京:中国林业出版社,1996:10-38. [2] 徐文兵,高飞,杜华强.几种测量方法在森林资源调查.应用与精度分析[J]. 浙江林学院学报, 2009,26(1): 132-136. [3] 冯仲科, 韩熙春, 周科亮,等. 全站仪固定样地测树原理及精度分析[J]. 北京测绘,2003(1):28-30. [4] 冯仲科,徐祯祥.角规三维点抽样估测林分蓄积的形点法冠下削度方程[J].北京林业大学学报,2005,27(S2):14-20. [5] KATO A,MOSKAL M,SCHIESS P,et al.Capturing Tree Crown Formation through Implicit Surface Reconstruction Using Airborne Lidar Data[J]. Remote Sensing of Environment,2009(113): 1148-1162. [6] ZAMAN Q U, SCHUMANN A W, HOSTLER H K. Estimation of Citrus Fruit Yield Using Ultrasonically-sensed Tree Size[J]. Transaction of the ASAE, 2006, 22(1): 39-44. [7] ZAMAN Q U, SALYANI M. Effects of Foliage Density and Ground Speed on Ultrasonic Measurement of Citrus Tree Volume[J]. Transaction of the ASAE, 2004, 20(2): 173-178. [8] BALSARI P, DORUCHOWSKI G, MARUCCO P, et al. A System for Adjusting the Spray Application to the Target Characteristics[J]. Agricultural Engineering International,2008(10): 1-12. [9] ZAMAN Q U, SCHUMANN A W, HOSTLER H K. Quantifying Sources of Error in Ultrasonic Measurements of Citrus Orchards[J]. Transaction of the ASAE, 2007, 23(4): 449-453. [10] KISE M,ZHANG Q. Dual Stereovision Application for 3D Field Mapping and Vehicle Guidance[C]//ASAE Annual International Meeting. Tampa, Florida:[s.n.], 2005:1-13. [11] 徐祯祥,廖晓海,侯建智.测定单株立木材积的形点法[J].林业科学.1990,26(5):475-480. [12] 冯仲科,景海涛,周科亮,等.全站仪测算材积的原理及精度分析[J].北京林业大学学报,2003,25(3):60-63. [13] 郭保生,何瑞珍,张敬冬.全站仪在立木材积测定中的应用研究[J].中国农学通报,2006,22(4):149-151. [14] 邓向瑞,冯仲科,马钦彦,等,三维激光扫描系统在立木材积测定中的应用[J]. 北京林业大学学报,2008,29(S2):74-77. [15] 张明铁.单株立木材积测定方法的研究[J].林业资源管理,2004(1):24-26. [16] 张恩生,李军,李硕,等.立木材积测算精度的研究[J].河北林果研究,2006,21(3):243-247. |