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An Integrated Flexible Self-calibration Approach for 2D Laser Scanning Range Finders Applied to the Hokuyo UTM-30LX-EW
LIDAR laser range finder terrestrial laser scanning error model calibration bundle adjustment variance component estimation
2014/7/30
The paper presents a flexible approach for the geometric calibration of a 2D infrared laser scanning range finder. It does not require spatial object data, thus avoiding the time-consuming determinati...
阿尔金北缘EW向山脉新生代隆升剥露的裂变径迹证据
裂变径迹 隆升与剥露过程 新生代 阿尔金北缘
2014/2/17
本文主要利用磷灰石裂变径迹测年技术探讨了阿尔金北缘EW向山脉隆升的时空差异特征。22个岩体分别采自阿尔金北缘EW向山体中的卓尔布拉克、大平沟和喀腊大湾地区。裂变径迹测试结果显示, 样品的径迹年龄介于(62.6±3.5)~(28.3±1.7) Ma, 平均径迹长度均介于(13.25±0.15)~(14.29±0.1) μm之间。进一步根据裂变径迹长度和温度数据, 开展了磷灰石温度-时间的反演模拟。结...
Seasonal Effects on Bell’s Palsy:Four-Year Study and Revıew of the Lıterature
Seasonal Effects Bell’s Palsy Revı ew Lı terature
2015/9/28
Bell’s palsy is the sudden onset of unilateral dysfunction of the seventh cranial nerve that results in the paralysis of the facial muscles on the affected side of the (1). Seasonal distribution have ...
EM 算法的拟N ew ton 加速方法
EM 算法 加速
2009/9/28
EM 算法是从不完全数据求参数极大似然估计的一种迭代方法。EM 算法简单, 但收敛慢。本
文讨论了一个加速收敛的算法。
69 g/L 精恶唑禾草EW 防除麦田野燕麦研究
精恶唑禾草EW 小麦田 野燕麦 防治效果
2009/6/30
[ 目的] 更好的防治春麦田野燕麦杂草。[ 方法] 在青海省对69 g/ L 精恶唑禾草EW防除春小麦野燕麦的效果及其对作物的安全
性进行了田间小区试验。[ 结果] 69 g/ L 精恶唑禾草灵EW不同制剂量于野燕麦2 ～3 叶期( 春小麦3 ～4 叶期) 兑水300 L/ hm2 茎叶喷雾,对野燕麦的防除效果达88 .41% ～98 .57% , 除草效果和对照药骠马相当。药后20 d , ...
The Coupling Constants for an Electroweak Model with an SU(4)PS\otimes SU(4)EW Unification Symmetry
electroweak unification gauge symmetry coupling constants
2007/8/15
2007Vol.47No.5pp.879-882DOI:
The Coupling Constants for an Electroweak Model with an SU(4)PS\otimes SU(4)EW Unification Symmetry
A.E. Bernardini
Department of Cosmic Ray...