The coefficient functions of the hyperbolic equations considered are assumed to be piecewise constant.
我们假设在所考虑的微分方程中，系数函数为片段常函数。
The OCP of polymer flooding is numerically solved based on piecewise constant parameterization method and the proposed TNP method.
分别使用分段常数参数化方法和所提出的时间节点参数化方法求解聚合物驱最优控制问题。
Objective to investigate characters of the solution to first order impulsive differential equations with piecewise constant arguments.
目的研究一阶具有分段常数变量的脉冲微分方程的解的性质。
A filter algorithm of bayesian state estimation using piecewise constant was proposed for a nonlinear stochastic system with white noises.
针对具有高斯噪声的非线性随机系统状态估计问题，提出了一种基于分段常值的贝叶斯状态估计滤波算法。
In this paper, we consider the oscillatory properties of neutral linear variable functional differential equation with piecewise constant delays.
本文研究分段常数变量线性中立型泛函微分方程的振动性。
Block Pulse Function (BPF) is applied in analysis and synthesis of optimal control for PWM systems, and a piecewise constant solution is obtained;
块脉冲函数（BPF）用于PWM系统的分析及最优控制，获得分段恒定解；
The present paper is devoted to the oscillations and nonoscillations of a kind of impulsive delay differential equations with piecewise constant argument.
文章将建立了具有分段常数滞后变元微分方程组振动的一个充分条件，并讨论其非振动解的渐近性。
The new sufficient conditions for the oscillation of all solutions of the neutral differential equation with continuous and piecewise constant arguments are obtained.
获得了一类带有连续和分段常数变元的中立型微分方程所有解振动的新的充分条件。
Image denoising with second order non-linear diffusion PDEs often leads to an undesirable staircase effect, namely, the transformation of smooth regions into piecewise constant ones.
利用二阶的非线性扩散方程进行图像去噪易产生具有“阶越效应”的去噪结果，也即使分段光滑的图像变为分段常量的。
The existence of periodic solutions for a class of impulsive differential equations with piecewise constant argument is studied by constructing periodic sequence solutions of difference equation.
通过构造差分方程的周期数列解，研究了一类具有分段常数变元的脉冲微分方程周期解的存在性。
Then the piecewise PID pitch-controlled algorithm and the control strategy for transition between variable speed constant frequency (VSCF) and pitch control were used in the test-bed.
在此试验台上对提出的分段PID变桨距控制算法以及变速恒频和变桨距切换设定的控制策略进行试验研究。
Then the piecewise PID pitch-controlled algorithm and the control strategy for transition between variable speed constant frequency (VSCF) and pitch control were used in the test-bed.
在此试验台上对提出的分段PID变桨距控制算法以及变速恒频和变桨距切换设定的控制策略进行试验研究。
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