查询词典 dimidiate

The proposed algorithm has advantages to the global searching ability of genetic algorithm and the stable convergence of dimidiate searching root method.

结合传统遗传算法良好的全局搜索能力和二分法可靠的收敛性，本文提出了一种改进的遗传算法－层次压缩遗传算法。

Dimidiate Pixel Model with the soil and land-use data, and NDVI were used to compute...

使用该系统，作者对东圳水库流域的土壤侵蚀模数的空间分布进行计算，并对计算的结果进行分析。结果表明，该系统模拟的结果可靠，建立的系统可以应用于实际工作中。

Based on the method of dimidiate pixel model and sub-pixel models for vegetation coverage estimation. The current model is improved.

改进方法主要是基于原有模型的两个重要参数，进行重新推导得到。

The research results showed that: The accuracy of dimidiate pixel model is better than that of the experiential model during the vegetation retrieval.The curve degree of the cubic curve fitting is the best during the three built experiential models, but the experiential model is very simple and used widely.

研究结果表明：植被盖度反演中，像元二分模型的精度高于经验模型的精度，在建立的三个经验模型中，又以三次拟合曲线的拟合度最高。

Vegetation fractions in different districts of Wuhan were calculated based on remote sensing images (TM images and ETM+ images) in 1988,1991,1996 and 2002 by employing method for dimidiate pixel model,and the vegetation fraction maps of different periods were generated to analysis the temporal change of vegetation fraction of Wuhan area.

利用1988、1991、1996和2002年4个时相的TM和ETM+遥感影像为数据源，以归一化植被指数像元二分法为植被覆盖度估算模型，计算了武汉地区不同时期的植被覆盖度，生成了该地区不同时序的植被覆盖度图，以此分析武汉地区植被覆盖度的时空变化。

Based on the improved Atiken iterative method and dimidiate method, a new algorithm of searching zero of derivative function is given, the simulation results show that if using the new algorithm to find the zero of derivative function, the convergence speed is faster than the improved Atiken iterative method .

采用二分法预报、改进的Aitken迭代校正的方法，构造了一种求导数零点的一种新算法。新算法在迭代过程中不用计算导数，且二阶收敛。数值试验表明，该算法具有较高的精度和较大的初值选择范

With the quantitative retrieval of vegetation cover, the experiential model is built by NDVI and practical data. According to the theory of the mixed pixel decomposing, NDVIsoyi and NDVIveg are confirmed and the dimidiate pixel model is built.

在对植被盖度的定量反演中，选用NDVI与实测数据建立了经验模型，根据混合像元分解的理论，确定出NDVISOYI和NDVIveg，建立了像元二分模型。

Based on the dimidiate pixel model and NDVI, this paper estimated the vegetation fraction in Huairou District by remote sensing. In the total, the vegetation coverage wass increased during the passed 12 years.

本文基于像元二分模型，利用归一化植被指数NDVI，对怀柔区1992年和2004年植被覆盖度进行了监测，并对十几年来的植被覆盖变化情况进行了统计分析。

The Three-North Shelter Forest Program covers 13 provinces of China, which brings great influence to the eco-environment of North, Northeast and Northwest China (Three-North Regions). In this paper, the vegetation cover in the Three-North Regions was estimated by using a dimidiate pixel method based on the MODIS-NDVI data in August 2001 and 2007, with its spatiotemporal changes analyzed.

以像元二分模型为基础，构建了基于归一化植被指数的植被覆盖度定量估算模型，并利用MODIS-NDVI时间序列数据，估算了三北防护林工程区2001年8月和2007年8月的植被覆盖度，分析了三北防护林工程区植被覆盖度的时空变化特征。

The parameterization of section contour data is carried out by the method of accumulated chord length, the reasonable math model on the selection of node vector is given, the approximating of NURBS curve to section contour data is carried out by the least square method and the most reasonable number of control point is obtained by the dimidiate algorithm, which makes the approximating of NURBS curve reach the extent of complete automation.

用积累弦长的方法对截面轮廓数据进行参数化；给出了节点矢量选择的合理数学模型；用最小二乘法对截面轮廓数抛进行了NURBS曲线的拟合；二分法寻找最优控制点的算法使NURBS曲线的拟合达到全自动化的程度。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。