查询词典 first approximation

In modeling the controlled plant, the mathematical model is at best the approximation to the actual system.

在建立受控系统数学模型，再怎麼精确的鉴别一个系统，我们所得到的也仅是一个"近似"於实际系统的数学模型。

On the basis of this, we have chiefly investigated the problem of best approximation by polynomials in two variables.

在这个基础上，我們着重地研究了二元多項式的最佳逼近問題。

The best strategic decision is an approximation—and a risk.

最佳的战略决策只能是近似合理的，而且总是带有风险的。

ANN can make the best approximation of the actual problems through a large number of learning and training.

人工神经网络方法通过大量的样本学习和训练，能够对实际问题进行最佳逼近。

Since the remainder is more than half of 10, the best approximation is obtained

因为余数大于10，最好的逼近方法是由上界逼近

When we make use of linear cryptanalysis method, finding the best linear approximation of the encrypting algorithm is very important.

在线性密码分析方法中，寻找加密算法的最佳线性逼近是很关键的一步。

The authors put forward a method of FIR filter design based on Chebyshev best uniform approximation which can be used to separate potential anomalies.

提出了一种可以用于位场分离的基于Chebyshev最佳一致逼近原理的FIR滤波器的设计方法。

We give several sufficient conditions for existence and uniqueness of least deviation point and its application in uniqueness of best approximation.

本文在一般线性赋范空间内提出点集的最小偏离问题，给出了最小偏离点的存在性与唯一性的各种充分性判据及其对于最佳逼近元唯一性问题的应用。

So the best approximation algorithm in this domain,which can draw the mini-max solution of the frequency deviation,is introduced in this paper.

为此，在频率控制领域首次引入了最佳逼近算法，它能给出频率偏差的最小-最大解。

We choose these warps so that for a given depth d, we know in advance which layer will provide the best approximation.

我们选择了这些扭曲函数后，对一个给定的深度，我们就事先知道那一层将提供最好的估计。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。