梯度

Klinotaxis refers to movement through a gradient while taking successive samples of the environment.

Klinotaxis是指通过一个梯度转移同时连续样品环境。

Gravity gradient is the second order derivative of gravitational potential, which can be observed by satellite gradiometer.

摘要重力梯度为重力位二阶导数，可以通过星载梯度仪进行观测。

Preconditioned con- jugate gradient algorithm is a fast and accurate computational algorithm.

预条件共轭梯度法是一种精确并且收敛迅速计算方法。

Synthetic peptide purification. Are isocratic elution and volume overload options to improve process economics?

合成蛋白提纯-无梯度洗脱和容量超负荷取舍能提高工艺经济性？

With the invention of high-temperature-superconductor, the superconductive magnetic gradiometer be-comes available in application.

由于高温超导体研究成功，使得超导磁梯度仪实际应用成为现实。

The functionally graded layers are inhomogeneous along the thickness direction, while the piezoelectric layer is homogeneous;both possess material orthotropy.

假设上下功能梯度层材料参数沿厚度连续变化，而压电层则是均匀材料，并且它们都是正交各向异性。

Style details : This has a grey base background color.It comes with a bevel and a softish background shadow.

这一个灰梯度在这样式与一点塑料二面对切作用。

Submarine temperature, pressure, gas compositions, geothermal gradient and syngenetic water salinity control the depth of hydrate zone basement.Autochthonous bacteriogenic mod...

海底温度和压力、地热梯度、气体成分、同生水盐度等控制着水合物稳定带基底深度和厚度。

It was obvious that soil salt accumulated in deep soil of farmland and soil salt accumulated in surface horizon of uncropped soil.

荒漠绿洲边缘区演变以环境梯度变化为主要驱动力。

The observed clinal variation in the frequency of serotinous cones may be described as a fairly regular decrease in all directions .

所观察到晚熟球果频率梯度变异可描述如下：向四周相当有规律地渐次减少。

The trackability limitation of current gradient algorithm is discussed.A new algorithm, named variable parameter gradient estimation algorithm with local polynomial approximation is proposed.

本文分析了梯度辨识算法跟踪时变统缺点，提出了一种新基于局部多项式逼近变参数梯度估计算法。

This study describes the application of the feedback linearization neural networks, known from neural network computing, to the problem of gradient preemphasis.

本研究应用线性迴归类神经网路于梯度磁统参数调整，这种方法不需要重覆量测与调整，因此所需时间非常短。

The basic principles of the triboelectricity beneficiation and high gradient magnetic separation technology,as well as its current status of development and usage,were presented.

实验研究了采用高梯度电磁技术处理热轧废水时,在不同工况下使用效果、影响因素等。

Image reconstruction is often converted to the nonrestraint extremum of the nonlinear equations.We have deduced a conjugate gradient algorithm from the extremum of norm.

图像重建常常被转化为解非线性无约束极值问题,通过范数极小化推导出共轭梯度法一般算法。

Peak concentrations and gradients for gentamicin aried considerably between animals, likely resulting from ariations in round window membrane permeability and rates of perilymph flow.

庆大霉素峰值浓度和浓度梯度在动物之间差异相当大，这可能是由圆窗膜通透性不同和外淋巴液流动率不同所导致。

Our approach is based on a gradient domain technique that preserves important local perceptual cues while avoiding traditional problems such as aliasing, ghosting and haloing.

我们方法是一种基于梯度域方法技术，保存了重要局部视觉暗示并避免了传统混淆现象，如鬼影和光晕问题。

By using active set strategy, the authors need only to solve a reduced trust region subproblem which is solved inexactly by the truncated conjugate gradient method.

作者利用有效集策略，在每次迭代中只需求解一个低维信赖域子问题，该信赖域子问题是通过截断共轭梯度法来近似求解。

This point out that in order to improve the LMS algorithm performance, the gradient are optimally estimated, or the error signal are nonlinearity processed,these methods are equipollent.

对最速下降法梯度优化估值和对误差信号非线性处理，是改善LMS算法性能等同措施。

In the CGSM, shear modulus and damping ratio of the soil are functions of depth and shear strain, wave equation for the transmission of shear wave is obtained.

在连续梯度土介质模型中，剪切模量和阻尼比是位置深度和剪应变函数，导出剪切波在土体中传播波动方程。

A zero dead volume microinjector,a constant pressure separation system and a flow splitter for gradient elution are designed,which are effective for solving the existing main problems of CEC.

设计了一种包括具有极小死体积进样器、恒压分离统和适于梯度洗脱分流器流路结构,可有效地解决CEC现存主要问题。