查询词典 inversion problem

In this paper , for the problem of 3-D inversion , the author has been worked in some fields that based on the study of foregone and absorbed some of the theories .

目前，三维正反演问题研究由于计算精度和速度等关键问题未能解决，在实际工作中很难得到应用和推广。

A wavelet-homotopy hybrid inversion algorithm for inverse problem of ground penetrating radar is proposed.

构造一种求解探地雷达反问题的小波－同伦混合反演算法。

Geophysical inversion is a very difficult problem due to its non_linear nature.

由于非线性特性地球物理反演一直以来都是一个比较困难的问题。

In Chapter 2,we improve the Differential Evolution algorithm developed rapidly in recent years,and apply it to study the multi-exponential inversion problem in nuclear magnetic resonance.

第二章改进了近年发展起来的差分进化算法，研究核磁共振T_2谱多指数反演问题。

In order to solve the priority inversion problem, priority ceiling protocol is implemented in μC/OS- II.

深入分析了μC／OS-Ⅱ的调度策略，为了防止优先级反转问题，在其中扩展了优先级顶置协议。

The other problem in seismic inversion is that the frequency information and amplitude real value recorded by seismograph are incomplete and severely absent.

地震波反演的另一个障碍，主要是所记录的地震波响应中频率信息及相应的振幅真值的不完整与严重缺失。

Although we can use 2-D forward and inversion to solve problem in work, but the method is not adapted with 3-D geoelectric section.

虽然采用二维反演方法可以解决一些野外实际问题，但与实际三维介质相比其计算精度和整体反演效果仍然不能满足实际的需要。

In order to solve the composite inversion problem of the flexible arm structure, an improved identification method is proposed by combining the relaxation method with the modified total compensation method.

为了解决悬臂型桥墩结构在输入信息未知条件下的物理参数识别问题，采用将松弛法与改进的全量补偿算法结合起来的算法，通过对参数的离散化，对输入未知条件下的－悬臂型桥墩结构的多个物理参数进行了识别。

This paper applies GA-BP optimal algorithm to solve the problem of coordinate inversion in Robot's control.

但BP网络易形成局部极小值而得不到整体最优，缺乏全局搜索性。

During the past ten years, inversion problem of geophysical data devoted much attention to many geophysicalistes; moreover, variousinversion approaches were advanced.

近十年来，地球物理资料的反演问题引起了越来越多地球物理学家的注意，提出了各种反演方法。

"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。