逼近的

The random system is reduced to its equivalent deterministic one by Chebyshev polynomial approximation, and the response of the stochastic system can be obtained by the deterministic methods.

首先用Chebyshev多项式逼近法将随机系统化成与其等价的确定性系统，然后通过等价确定性系统来探索随机Duffing-Van der pol系统的对称破裂分岔现象。

In this paper the defocused point spread function can be assessed through knife-edge function curve, according to the circular symmetry of the defocused image.

指出了由于模型不能准确逼近实际的离焦点扩散函数而导致离焦模糊图像复原无法取得预期效果。

The optimization algorithms are commonly used to approach the minima of the roundness objective functions through iteration when a microcomputer is applied to assess roundness errors by minimum zone, minimum circumscribed circle, and maximum inscribed circle methods.

引言在用计算机求最小区域、最小外接圆和最大内切圆评定法求圆度误差时，广泛采用最优化算法，通过迭代去逼近目标函数的极小值。

It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the FIR filter apporaches the contrary point spread function more, and that the estimated image is closer to the original one.

从代价函数的梯度入手推导出共轭梯度算法，其搜索方向保持不变而搜索步长变小，使滤波系数更加逼近于点扩展函数逆算子，从而使估计图像与原始图像更加接近。

In the case study of one unit in Nanjing,with the aid of traffic turnover and the continuous approximation,the evaluation model was applied to calculate the carbon emission of the circulation between areas in the urban micro subject.

以南京市某单位为例，采用交通周转量与连续逼近法，对研究单位园区间流通带来的碳排放进行了评测。

It is proved that any continuous time-invariant operator with fading memory can be approximated by a Volterra series.

任何具有衰减记忆的连续时不变非线性算子，都可以由Volterra级数任意逼近。

Experiments show that this method can converge to target contour fast and exactly,and is robust to noise.

实验结果表明，该方法能够快速、准确地逼近到目标边界，并具有较强的抗噪性。

Properties of measurable functions; approximation by simple functions and by continuous functions; convergence in measure; Egoroff's theorem; Lusin's theorem; Jensen's inequality.

可测函数。可测函数的性质；简单和连续函数逼近；测度收敛；叶果洛夫定理；鲁津定理；詹森不等式

A series convergent to any given number could be derived with this method.

通过反复地使用这个算法，可以非常容易地求得被逼近实数的一系列渐近分数。

It got into shadows on the road, and lay cunningly on its back to trip him up.

那玩艺儿也钻进路上的影子里，狡猾地躺着，想绊他摔筋头，又一直跟在身后，而且越来越逼近了。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。