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- nonlinear inverse model 非线性逆模型
- The inverse model of a plant is built by RBF neural network, which is trained by EPSM algorithm. The mult-variable linear and nonlinear couping system is decouped . by the RBFNN inverse controller. 用EPSM算法训练的RBF神经网络构成逆控制器,用于耦合系统的解耦控制,通过对多变量线性耦合系统和非线性耦合系统的仿真,能够有效地实现耦合系统的解耦。
- Based on the property of the system inverse model, an integral approach to nonlinear compensation of temperature measuring system with thermistor based on neural network is presented. 从系统逆模型补偿出发,基于神经网络提出一种更加完备的热敏电阻测温系统非线性校正方法。
- The inverse model of a plant is built by RBF neural network, which is trained by EPSM algorithm.The mult-variable linear and nonlinear couping system is decouped . by the RBFNN inverse controller. 用EPSM算法训练的RBF神经网络构成逆控制器,用于耦合系统的解耦控制,通过对多变量线性耦合系统和非线性耦合系统的仿真,能够有效地实现耦合系统的解耦。
- Levenberg-Marquardt algorithm can also be used to solve the nonlinear inverse problem of the parameter estimation. 遗传算法是一种相对较新的用于最优化估计的方法,也可以用于求解反问题。
- The nonlinear inverse bremsstrahlung absorption is a main mechanism in the plasma heating at laser-plasma interaction. 当激光强度较高时,非线性逆轫致吸收是对等离子体的加热起重要作用的机制。
- The output tracking control design of the rotorcraft based on nonlinear inverse dynamics was described. 采用非线性逆动力学设计了输出跟踪控制器。
- Based on measured displacements of tunnel under ground after excavation, the inverse model of getting modulus of rock elasticity has been set up. 基于煤矿地下巷道开挖后实测位移.提出求解地下巷道各岩层弹性模量的位移反演模型。
- The results of test show that this inverse model feed-forward compensator has effectively reduced the non-linear error of the system and has improved the control precision of GMA. 实验结果表明,逆模前馈补偿器有效地减小了系统的非线性误差,提高了执行器的控制精度。
- Crosshole seismic tomography in complex media is a very complicated nonlinear inverse problem.It is difficult to obtain a satisfactory and clear image by using linearized tomographic method. 摘要复杂介质井间地震层析成像是一个很复杂的非线性反演问题,常规的线性反演方法无法得到好的解。
- Instead of exhibiting a finished work at the beginning, the work will only reach completion at the end, representing an inverse model of the conventional static and unchanging exhibition format. 与箭厂空间之 前的项目从一开始就呈现已完成的作品不同,这个项目中的作品都是被艺术家称之为接近于完成的,它呈现出异于通常展览模式的另一种相反模式。
- A pressure predicting model is established by synthetically using the data of seism, well logging and well drilling in combination with statistical matching method and nonlinear inversion. 综合利用井中的地震、测井和钻井资料等,用统计拟合方法和非线性反演方法建立压力预测模型。
- The nonlinear inversion equation based on the extended Born approximation was derived, the two-step inverse method for reconstructing the conductivity profile was presented. 基于扩展玻恩近似和电场积分方程,建立起非线性反演方程,然后应用两步线性反演方法进行迭代反演。
- On the basis of homotopy method a widely convergence inversion scheme for solving nonlinear inverse problems called homotopy-regularization method is developed. 提出了求解参数识别反问题的同伦正则化方法,给出了相应的收敛性定理。
- Meanwhile it is pointed out that the nonlinear inversion method, which is of stronger adaptability, should be studied. 同时指出,要研究适应性更强的非线性反演方法。
- We believe that AVO seismic technology will play a more important rule in the forward and inverse modeling in oil and gas prediction. 纵观本届年会,我们认为,AVO地震技术在正反演和油气预测等方面将会起到越来越重要的作用。
- The geochemical models have experienced the development from inverse modeling to forward modeling to current reactive solute transport modeling. 地球化学模型发展经历了从反向模拟到正向模拟,以及到现在的反应性溶质运移模拟的发展过程。
- Backward trajectory inversion model was established for estimating methane emission over Beijing area, with in situ data of methane measurement. 基于逆向轨迹计算和单点浓度连续观测资料建立了一个甲烷排放源的反演模式。
- Several typical benchmark functions numerical simulations show that CGA is an effective nonlinear inversion algorithm with fast global convergency and high stability. 经典测试函数的仿真实验结果表明混沌遗传算法能够迅速收敛到全局最优解,具有较好的稳定性,是一种有效的非线性优化方法。
- This paper introduced the inversion model of nolinear heatflow through the relation betweentheareal track number density of apatite fission track versus time and temperature. 本文应用磷灰石裂变径迹的面积径迹数随时间、温度变化的规律,建立非线性热流的反演模型。