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1)  Estimation and Retrieval
估计和反演
2)  positively and negatively
正演和反演
1.
Based on above theory, the math measure is used to model the developing history of the structure in one basin both positively and negatively, then the primary geometry of the structure subsurface can be displayed directly.
在此原理基础上利用数学手段对盆地的构造发育史进行正演和反演模拟,直观地再现地下构造的原始几何形态,迅速提供地震剖面的构造解释方案,并对解释结果进行检验(不平衡的剖面其解释一般有问题),为深刻认识构造发育史、分析油气运移及聚集规律提供依据,提高了工作效率。
3)  forward computation and back analysis
正演计算和反分析
4)  Harmonic inversion
调和反演
5)  inverse calculation
反演计算
1.
Mechanistic modeling for particle size measurement by ultrasonic technique and inverse calculation of particle size distribution;
超声粒度检测建模及其粒度分布反演计算
2.
The permeability parts of aquifer are set up by using cluster analysis and fuzzy comprehensive judgment and the rank relationship of permeability coefficient of every part of aquifer is given and the way to enhance the precision of inverse calculation of permeability is described.
应用聚类分析、模糊综合评判方法建立含水层渗透系数分区,给出各分区渗透系数的级配关系,论述了提高反演计算含水层渗透系数精度的途径。
6)  Backstepping design
反演设计
1.
By combining robust L_2-gain control stragtegy with nonlinear damp technology,a backstepping design Lyapunov-based approach is developed to construct the adaptive state feedback controller explicitly,and realizes the robust output adjustment even in the presence of mismatched unknown parameters and bounded disturbances.
该方法结合L2-增益鲁棒控制和非线性阻尼技术,基于Lyapunov函数反演设计方法设计了状态反馈自适应控制器,实现了不确定非线性系统的鲁棒输出调节。
2.
The backstepping design of nonlinear system is introduced firstly in the paper.
首先介绍了非线性系统的反演设计方法,提出了一种基于反演的滑模控制方法。
3.
The sliding mode controller is designed to realize the track-control of the input signal based on the backstepping design theory of sliding mode control when inverted pendulum is controlled object.
应用滑模控制中的反演设计原理,以一级倒立摆为控制对象,设计了滑模控制器,使系统在响应的全过程都具有鲁棒性,克服了传统变结构控制中到达模态鲁棒性差的缺点,对该类非线性系统,提出了新的滑模控制器的设计方法。
补充资料:估计
根据某些情况,对事物的性质、数量、变化等做大概的推断:~他今天会来ㄧ最近几天~不会下雨。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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