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gradient method相关的网络例句

查询词典 gradient method

与 gradient method 相关的网络例句 [注:此内容来源于网络,仅供参考]

A variational formulation level set model based on the image global information is obtained, which can detect contours both with and without gradient based on global information and eliminate the re-initialization procedure. The stopping term does not depend on the boundary gradient of the image, which overcomes greatly the "over segmentation".

针对这种情况,该文提出了一种基于图像全局信息并且不需要重新初始化的变分水平集红外图像分割方法,不考虑图像边缘梯度的影响,将图像全局信息作为外部能量项,在很大程度上克服了边缘模糊时过分割的情况。

Set up the background gradient vectograph of highway surface at first, according to the comparative result with the gradient vectograph of the present frame image, judge whether it is highway surface background or vehicle , then carry on morphological filtering which can remedy the inside cavity and reject isolated points, and the vehicle is segmented accurately last.

首先建立路面背景梯度矢量图,根据与当前帧图像的梯度矢量图的比较结果,判断是否是路面背景或是运动车辆,然后对运动车辆区域进行形态滤波,弥补内部空洞和剔除杂点,进而准确分割出车辆。

Both the linear term and nonlinear term of hydraulic gradient representing the energy dissipation due to inertia force and viscous force respectively are increasing with the increase of specific discharge. At the same time, the portion of nonlinear term in hydraulic gradient increases continuously.

此时,水力梯度中以黏性力和惯性力消耗能量为主导的渗透流速线性项和非线性项均逐渐增大,同时非线性项占水力梯度的相对比重随流速的增大而不断增大。

The crystallization temperature and pressure of clinopyroxene phenocrysts from the ankaramite and basalt were estimated on the basis of the clinopyroxene-melt equilibrium principle: 1345~1366℃ and 1.75~2.05Gpa for ankaramite, with average geothermal gradient of 20-24℃/km, suggesting anomalous heat or geothermal gradient in this region may be one of the key reasons to produce the porphyry copper deposits in the region. In contrast, those in the basalts fomed under a relatively low crystallization temperature (1129~1191℃), and the pressure (1.19~1.60Gpa) and depth (39~53km), suggesting that the basalt formed under a condition of lower temperature and pressure.

根据单斜辉石-熔体平衡原理计算了富辉橄玄岩和玄武岩中斑晶相辉石形成的温度和压力,前者变化范围主要集中在1345~1366℃和1.75~2.05GPa,其深度相当于58-67km,平均的地温梯度大约20~24℃/km,说明该区具有异常的热或地温梯度,这可能是导致本区斑岩铜矿形成的主要原因之一;后者的温度和压力都相对较低,分别为1129~1191℃和1.19~1.60Gpa,而相应的深度为39~53km,暗示着玄武岩是在相对低温低压的环境中形成的演化岩浆。

The frictional heat energy was concentrated on the thermal effect layer with the thickness of 4 mm, The temperature gradient of contact surface is the highest, and decreased rapidly with the radius direction of the lining's groove. The temperature gradient and TEL's thickness increased with the increasing of the sliding speed. The temperature decreased rapidly with the radius direction and also with the increasing of center angle of the lining's groove. The sliding speed and distance are obtained under two sliding conditions when the lining fails, which supply the theoretical basis with the antislip design of friction hoist.

摩擦热量集中在热影响表面层,其厚度仅为4mm,接触表面温度梯度最大,沿绳槽径向迅速减小;温度梯度和热影响表面层厚度随相对滑速的增大而增大;衬垫温度沿径向急剧降低且随圆心角增大而减小;并得到了2种滑动工况下衬垫失效时的相对滑速和滑动距离,为摩擦提升防滑设计提供理论依据。

Radially, IAA displayed a centripetal gradient (cambial region being the center), whereas ABA gradient was centrifugal.

在杜仲剥皮再生过程中,IAA和ABA的含量呈现明显相反的变化:高含量的IAA对应低含量的ABA,反之亦然。

Embedding the gradient direction search and new kinds of evaluation functions into the Genetic Algorithm, a special hybrid Genetic Algorithm with mutation along the weighted gradient direction to solve non-linear programming problems is developed. Then in Chapt 4, a type of nonlinear programming problems with fuzzy objective and fuzzy resources constraints is discussed, in which the objective is ill-defined and the resources possess two different types of fuzzy resources, i. e., tolerance and imprecision. By way of description and formulation of fuzzy objective and fuzzy resources, the problem with fuzzy objective and two different types of fuzzy resources is modelled into a fuzzy nonlinear programming model FO/RNLP and interpreted as three equivalent alternative crisp model to reflect the variety of the environment and the subjective and preference of the decision maker .

本文首先针对遗传算法在求解非线性规划问题中存在的问题,首次提出非可行点/染色体的主导准可行方向,准可行方向,及非可行点属于可行域的可行度等新概念,借助于模糊思想,提出了描述和度量非可行染色体的新方法;通过嵌入非可行染色体的信息于评价函数中,提出了三种新的评价非可行染色体的评价函数;把传统的启发式方法-梯度方向搜索和新的评价函数嵌入到遗传算法中,提出了一种沿加权梯度方向变异的新型混合式遗传算法;第四章针对生产实际中非清晰定义的模糊目标和两种类型的模糊资源,建立了一类连续型模糊目标/资源约束非线性规划问题的模型FO/RNLP。

G.E.Hubb root is from 0.20mm to 0.50mm, and 95% roots, diameter is thinner than 0.40mm. The total surface areas of roots is 10139.68cm^2, and the surface areas of roots is about 2 to 3 times to soil surface areas in the surface layer. Enlacing sod concretion to soil profile of Eulaliopsis binata G.E. Hubb root and the gigantic adsorption to soil grains of root surface are the mechanism why Eulaliopsis binata G.E. Hubb can reduce null and water loss significantly. The monitoring result from 2003 to 2004 indicates that, when the gradient is 12 degrees, the runoff rate of planting Eulaliopsis binata Retz. G.E. Hubb completely after changing slope land to ladder (PECC, so as the follows is only 49.90m^3/hm^2?yr. and the soil loss rate is 155.78kg/hm^2?yr, however, the runoff rate of fanning and being not change slope land to ladder is 314.29m^3/hm^2?yr that is 6.30 times to PECC ,and the soil loss rate is 3322.50 that is 21.33 times to PECC; When the gradient is 24 degrees, the runoff rate of planting eulaliopsis binata G.E, Hubb in the ridge and border slope land after changing slope land to ladder is 248.04m^3/hm^3?yr and the soil loss rate is 612.00kg/hm^3?yr. the runoff rate of PECC is only 42.44m^3/hm^2?yr and the soil loss rate is 153.75kg/hm^2?yr, however, the runoff rate of ENC reaches to 785.73m^3/hm62?yr that is 3.17 times to PERBC and 18.52 times to PECC, and the soil lose rate reaches to 37503m^3/hm^2 yr that is 61.33 times to PERBC and 244.12 times to PECC.

蓑草根系平均直径0.20~0.50mm, 95%的根系平均直径小于0.40mm,根系总表面积10139.68cm^2,在土壤表层根系表面积高达土体表面积的2~3倍,根系表面对土壤颗粒的巨大吸附作用是蓑草显著提高土壤抗侵蚀能力的另一个重要原因。2003~2004年的监测结果表明,在12度坡度情况下,坡改梯后净作蓑草年径流量仅49.90立方公尺/hm^2,年土壤流失量为155.78kg/hm^2,而未坡改梯且农作情况下,年径流量314.29立方公尺/hm^2为前者的6.30倍,年土壤流失量3322.50Kg/hm^2为前者的21.33倍;在24度坡度情况下,坡改梯后土埂及边坡种植蓑草、坡面农作年径流量248.04立方公尺/hm^2,年土壤流失量612.00kg/hm^2,坡改梯后净作蓑草径流量42.44立方公尺/hm^2,土坡流失量l53.75kg/hm^2,而未坡改梯且农作情况下年径流量高达785.73立方公尺/hm^2,分别为处理1的3.17倍,处理2的18.52倍,年土壤流失量高达37503kg/hm^2,分别为处理1的61.33倍,处理2的244.12倍。

Order of discontinuity ladder gradient separation: The nature school DNA separation purification conventional routes are use the gold to manage the CsCl idiomorphic to become the gradient balanced equilibrium density centrifuge process, the offcenter starts when the gold manage the CsCl density to be homogeneous, sample uniform distribution in which.

不连续阶梯梯度分离:质校DNA分离纯化传统方法是采用金管CsCl自形成梯度平衡等密度离心法,离心开始时金管CsCl密度均一,样品均匀分布其中。

According to the chromatograms, we choose the several peaks which are more abundance as the characteristic peaks. Additionally, to compare the isocratic elution and gradient elution two systems, we find that it is obviously better to use the gradient elution.

另比较以等位冲提及梯度冲提方式进行高效能液相层析仪分离的结果,发现使用梯度冲提的分离效果明显较好。

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推荐网络例句

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了,您现在高兴了,"她说道,这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说:"失节的以色列比失信的犹大,更显得正义。

I do my best to guide my congregation,ok?

我尽了全力引导会众明白吗?