查询词典 approximation

The first order approximation solution of temperature and interface for the spherical crystal growth in the undercooled melt is solved by the asymptotic analysis method.

结果表明在球晶生长过程中依赖于界面温度变化的界面动力学显著地减缓了晶体生长的速度，与忽略界面动力学的情形比较，界面动力学显著地拟制了球晶界面生长。

Then choosing suitable transform matrix, and applying TST to it, the satisfactory approximation order of the multi-scaling vector was achieved.

选择适当的变换矩阵，对尺度向量进行双尺度相似变换，可以使其具有满意的逼近阶。

Multi-wavelets can simultaneouslyprovide perfect reconstruction, while preserving length, good performanceat the boundaries, and a high order of approximation.

多小波在进行完美重构的同时，可以保持能量，在边界具有良好的性能，具有高阶逼近。

When someone says The two boards are of equal length, we assume that the equality is reckoned to some order of approximation determined by the context; if we did not, we would be required always to use nearly equal when speaking of the dimensions of physical objects.

当有人说两块木板同样长时，我们会认为由于上下文的关系，相等可以被看作大约近似；如果我们不这样想，那么当我们谈到物体的尺寸时，就要经常使用nearly equal 。

Especially for multifrequence problems, both the order for the approximation of nonlinear functions and the iterative numbers for neural network learning will be decreased by several times.

利用这种新方法可以直接分析、辨识线性系统、双线性系统的稳定性和未知参数，并可直接求取性能指标下的最优控制律。

Fractional spline wavelets can obtain more information of image due to its fractional order of approximation when decomposing the image.

遥感图像融合作为一门新兴的技术，已被广泛应用于地形测绘和地图更新、国土资源调查、洪水监测、地质等领域。

Computer simulations validate the performance of these algorithms. And the model error of low order approximation distributed sources model, spatial frequency distributed sources model and Jocabi-Anger series expansion distributed sources model are discussed.

通过计算机仿真，验证了低阶近似分布源模型方位估计算法的性能，并且研究了分布源的低阶近似模型、空间频率模型和低阶Jacobi-Anger级数展开模型的模型误差。

The given estimated values of variables in Newton method is a crucial problem for the final solutions, the solutions of the first order approximation of the Fourier series to land surface temperature were used to the input initial given values of the Newton numerical method.

在牛顿迭代解法中，很关键也很困难的一个问题是初始值的给定，本模型中牛顿迭代的初始值是傅立叶级数对地表温度一次逼近得到的结果。

It is clearly shown how FPGA can be utilized efficiently to reduce the cost of each single point intensity computation, since highly demand of high order of approximation order for optical systems is needed nowadays in such simulators, and also the nature of FPGA with spatial computational style and enhanced inherent operations and blocks inside it.

在最先进的模拟技术中，我们越来越需要使用高阶近似的光学系统，我们很清楚的可以看到FPGA 是如何有效率的降低每一个点的强度计算，特别是FPGA它可以做平行处理，以及使用ROM 来加速运算的特性。

After probable damage location through MSECR, the method based on the sensitivity of orthogonality conditions gives good predictions of damage. This method overcomes the natural defect of the concept first order approximation of the ordinary sensitivity analysis method.

为克服灵敏度分析法一阶近似的本质缺陷，基于正交条件灵敏度分析法，利用MSECR对结构的损伤进行粗略定位后，给出了准确的识别结果，但这种方法的缺点是需要完备的实测振型。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。