I mean we'd seen in last time, but the gradient is perpendicular to the level and points towards higher values of a function.
我的意思是，上一次我们讨论过了，这个梯度是垂直于等高线，并且是指向方程增长的方向的。
OK, so the new definition for today is the definition of the gradient vector. And, our goal will be to understand a bit better what does this vector mean?
所以今天我们的新定义，就是梯度向量，目的就是更好的理解这一定义，这个向量的含义是什么？
Altitude measurements mean the road's gradient can be determined.
海拔测量还可以判定出道路的坡度。
And lastly, the expression of shift vector in the process of the model gradient matching was derived in the framework of mean shift.
最后，在均值移位框架下推导了该模型梯度匹配过程中移位向量的表达形式。
The method to analyze the pressure gradient with mean radial velocity is used.
本文提出了利用平均径向速度分析压力梯度的方法。
Based on building up a model of echo canceller, the convergence of gradient-type stochastic adjustment algorithm of an adaptive filter under the mean-squared error criterion is discussed.
在建立回波抵消器模型的基础上，按最小均方误差准则，导出了自适应滤波器抽头的统计梯度算法和抽头调节的收敛公式。
We get a better result comparing with mean filter, reciprocal gradient filter, linear filter and median filter.
和领域平均法、倒数梯度加权法、纯线性插值法、纯中值滤波法等相比较，其效果改善明显。
The mean value of gradient magnitude in the regions, of which size is equal to ear, is computed by the extracting ROI method.
ROI提取方法计算人耳大小区域的梯度均值，通过设定合适的阈值得到较少的候选区域。
In the MCMA, adjusting the scale coefficients of two gradient vectors can improve the convergence rate and reduce residual mean square error.
调整该算法中两个梯度矢量的比例系数，可提高该算法收敛速度、减少收敛后的均方误差。
The change of meridional temperature gradient influences the strength of the mean meridional circulation and the westerly jets directly.
经向温度梯度的改变，直接影响到对平均经圈环流及西风急流强度的模拟。
Soil translocation was related closely to slope gradient, with a significant linear correlation between mean displacement distance and slope gradient (P<0.01).
土壤耕作位移受地面坡度的影响十分明显，平均位移距离与坡度间呈显著正相关关系。
These operators make use of gradient and the mean value of the image gray to minimize noise effect, but ignore to harness the image edge.
这些算子使用梯度和梯度的平均值来达到去噪和边沿检测，但忽略了增强图像边沿。
The applicability of the similarity theory in the surface layer is studied by using the gradient observations of fluctuation and mean fields.
利用实测的脉动场与平均场同步梯度观测资料研究近地层相似理论的适用性。
But this does not mean that the adjoint method can not be used to calculate the gradient.
但这并不意味着在梯度计算中不能使用伴随方法。
The gradient model of bacterium can accurately predicted the number of bacteria. The mean RSD for the validation set were 6.61% and 4.59%.
所建细菌梯度模型则可对不同范围内的细菌个数进行较准确预测，预测结果的平均RSD为6.61%和4.59%。
Then, the best threshold value is calculated basing on the gradient magnitude mean and the variance of the image.
再由图像的梯度幅值均值和方差计算出图像的最佳阈值。
The images gradient magnitude mean and the variance of every pixel in the image relative to the gradient magnitude mean are calculated according to the method proposed in the paper.
针对传统分水岭变换对图像进行分割时常见的过度分割情况，提出了利用先验知识对梯度幅度图像进行处理的方法。
For gradient ramp duration of less than a few milliseconds, mean peripheral nerve stimulation is a safe indicator of high dB /dt .
当梯度上升时间只有数毫秒时，外周神经兴奋是梯度场安全的上限指标。
Using images' features such as gradient, mean, variance, degree of smoothing and texture characteristics to establish cost function may obtain the best results of target detection.
该方法利用动态规划理论中代价函数的建立过程来充分考虑图像中的灰度、均值、方差、光滑程度和纹理等多种特征，从而使目标检测的结果为最佳。
The transmission matrix of rigid straight pipe with mean flow and linear temperature gradient is established according to the actual case of silencer.
本文根据消声器在实际工作过程中声管内温度发生变化的特点，推导了考虑气流和线性温度梯度情况下刚性直管的声场传递矩阵。
Results show the particle size of gradient layers should be less than the mean flow pore size of substrate materials so as to obtain the optimum filtration performance.
结果表明，为获得复合材料的最佳过滤性能，梯度层的粉末粒度必须小于基体的中流量平均孔径。
Then it sorts the species according to its pondered mean along the environmental gradient, and shows the graph.
经过考虑之后将数据分类显示，在图片上显示结果。
Then it sorts the species according to its pondered mean along the environmental gradient, and shows the graph.
经过考虑之后将数据分类显示，在图片上显示结果。
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