gradient direction的例句大全

We fit the iris to a circle and regard the upper-eyelid as a section of circular arc. Then we use the method of sub-pixel detection to detect sub-pixel edge and the method of Hough transform based on gradient orientation and gradient direction to detect circle.

本文将虹膜用圆来拟合，将上眼睑视为一段圆弧，研究并采用亚像素边缘检测方法检测亚像素级的虹膜边缘和基于梯度朝向和梯度方向信息的Hough变换的方法检测虹膜和眼睑。

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Thermal effects of laser medium have a serious effect on laser beam quality, slab laser medium can reduce the thermal focusing and stress birefringence effect by the light going through temperature gradient direction with a Zig-Zag optical path periodically.

激光介质的热效应对激光的光束质量有着严重的影响，板条激光介质可以利用Zig-Zag光路周期性穿越温度梯度方向以减小热聚焦及应力双折射效应。

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We analyse the design of photoelectric digital level based on PSD, and design the laser gradient direction and measurement device based on PSD.

本文在分析浙江大学设计的基于PSD的光电式数字水准仪的基础上，提出设计基于PSD的激光坡度与指向装置。

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It is proposed and discussed that the sun-pointing effect of daytime horizontal gradient vectors in the ionospheric TEC is such that: On the Northern Hemisphere, in winter, daytime course of gradient direction is the southeast-south-southwest;

文中提出并论述中纬度TEC水平梯度矢量的指日效应：在北半球，冬季时梯度矢量指向的昼间进程是东南南西南，方位角变化小，幅值与幅值变化亦小；

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To find the reconstruction curve, we can first choose an appropriate initial curve on the plane and move every point on this curve along the gradient direction of the field function.

为求得重建曲线，可先在平面上选取一条适当初始曲线，由初始曲线沿着场函数的梯度方向运动，其极限位置便为重建曲线。

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Through changing structure of heating element near interface of solid and liquid, increasing thermal release at specific direction, enlarging area in which temperature gradient is linear, Φ 2 ″ HB-GaAs single crystal with inversely deviating seed was grown successfully.

通过改变固液截面附近的加热元件结构，在特定方向加强了散热，延伸了温度梯度的线性范围，使用反偏籽晶，成功地生长了Φ2〃HB GaAs单晶。

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The spiral cloud and rain band of typhoon, whose origination and maintain can be explained with the vortex Rossby-wave theory and can produce "local vortex Rossby-wave" through changing gradient distribution pattern of local relative vorticity along outward direction of typhoon.

台风螺旋云雨带的形成与维持，可以用涡旋Rossby波理论来解释：可以通过改变局地相对涡度径向梯度分布，从而沿台风径向激发出局地涡旋Rossby波。

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However, with a fixed momentum parameter, the momentum term will have an accelerating effect only if the current downhill gradient of the error function& E_ ω( k) and the last change in weight △ω( k-1) has a similar direction.

尽管如此，只有当目前的梯度下降方向与上一步的权值改变的方向相近时，这种动量项系数为正常数的BPM算法才具备加速的功能。

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The influence of the rock formations: with the increase of the gradient of the hill, the sinking basin will not lie exactly over the mining subsidence, but gradually moves towards the direction of the lower.

地形的影响：随着山体坡度的增加，下沉盆地已不再位于采空区正上方，而是逐渐向地势较低方向移动。

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When applying predictive coding within a frame, the algorithm uses a predicting mechanism which follows the direction of minimum local gradient.

在帧内预测编码时，提出了沿最小梯度方向进行预测的分类预测器。

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At last, the direction for research on hydraulic gradient calculation of paste backfill slurry is pointed out.

最后指出了膏体充填料浆水力坡度计算的研究方向。

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On the contrary, the radial gradient of axial velocity decreases downwardly along the axial direction. Therefore, the axial velocity distribution becomes horizontal gradually.

轴向速度的径向梯度沿轴向向下逐渐变小，轴向速度分布也逐渐趋于水平直线状。

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the vortex has a secondorder dynamic component in the direction of the gradient of absolute vorticity of the steering flow.

台风涡旋有沿基本气流绝对涡度梯度方向的次级运动分量。

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The search direction is formed by using gradient projection, and the search directions and functions are controlled effectively by the sign functions.

利用梯度投影构造搜索方向，并使用符号函数对搜索方向和搜索函数进行有效的控制。

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the directional derivative in a direction that's perpendicular to the gradient is basically zero.

垂直于梯度的方向上，方向导数为零。

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ok, so if i go in that direction, which gives me the fastest increase, then the corresponding slope will be the length of the gradient.

也就是说，如果朝该方向运动，函数值变动得最剧烈，那么相应的斜率就是梯度向量的模长。

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in order to solve this problem, the introducing of gradient of event in travel-time tomography is a current developing direction.

为了克服这个困难，在走时层析成像中引进同相轴梯度是当前的一种发展方向。

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a feasible direction method for nonlinear constrained optimization problems is presented by the generalized gradient projection technique.

运用广义梯度投影技术，提出了求解非线性约束优化问题一个可行方向法。

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gradient experiment of glucose solution is designed, using self-developed near-infrared spectroscopy to measure the absorption spectrum of glucose solution, to test the instrument performance. finally, a summary of the work done in this paper is given, so is the future research direction.

设计葡萄糖水溶液的梯度实验，使用自行研制的近红外光谱仪测量葡萄糖水溶液的吸收光谱，来检验仪器的性能。最后对本文工作进行了总结，并展望了下一步的研究方向。

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temperature gradient of deformation field in the axial direction ( dt/ dz) is linear to its coordinate in the axial direction z. it makes average deformable resistant force on every section different. so the process of dieless drawing can be pledged to carry on steadily.

拉伸件轴向温度梯度dT/dz与其轴向坐标z之间呈线性关系，这就使得轴向各断面的平均变形抗力分布均匀，从而保证拉伸过程稳定进行。

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