对阶

本文第二部分对阶跃入射P波作用下界面孔散射问题的边界元法求解进行了初步讨论。

The second part of this paper is to give a primary discussion to the BEM used to solve the scattering from an interface hole to incident step P wave .

用Newmark法计算不同流速时管道对阶跃载荷的动力响应；

The dynamic respondence of the pipes for step_load with different flow velocity are calculated by Newmark method .

通过对阶跃输入信号作用下系统动态性能的仿真分析，结果表明基于RBF的模糊神经控制器有良好的控制性能。

By analyzing the dynamic character - istics of the whole system according to the step response , the simulation results show that fuzzy - neural controller has better control - ling performance .

本文根据自动控制理论，就船舶操纵运动的K，T响应方程，给出了船舶对阶跃和正弦操舵的响应。

In accordance with the K and T response equation for a ship 's manoeuvring motion , a ship 's response to the step and sine operation of the rudder is given within the framework of the automatic control theory .

对阶跃光激励的光热反射技术进行了较系统的实验研究。

The PR technique with step optical excitation is experimentally studied in detail .

由压力测量系统对阶跃斜率函数的响应计算传递函数的样条法

A Spline Method of Computing Complex Transfer Function for Pressure Measuring System by Means of Its Response to a Step-constant Slope Input

本文通过对阶次跟踪的分析，找到了一种实现旋翼同方位数据采集的新方法。

Through the analysis of order tracking , this paper find a new method that realize orientation data sample in rotor test .

对阶形柱弯矩放大系数进行了理论推导，并给出了精度较好的拟合公式。

ⅰ Theoretical derivation is presented to determine the moment amplification factor of singly-stepped columns and proposed formulas with good accuracy are presented .

预测控制系统稳定时，对阶跃型给定值及干扰静态无偏差。

When the predictive control system is stable , the steady state error is zero to both the step input and the step disturbance .

文章对阶的估计作了一些探讨，给出了一些有用的性质定理，并在此基础上简要地讨论了阶的估计在分析中的应用。

In this paper , we probe rank estimation and propose some theorem and property , and discuss the application of the rank estimation in mathematic analysis .

采用高斯近似和局域模式耦合理论，对阶跃折射率分布和抛物线折射率分布椭圆芯单模光纤熔接接头损耗进行了分析、计算和讨论。

By the gaussian approximation and local mode-coupled theory , fused splice loss of step and parabolic index single mode elliptic core fibers have been analyzed , calculated and discussed .

本文对阶跃型折射率圆截面单模光纤弯曲以后的场畸变及由于波导弯曲几何效应而导致的双折射进行了摄动分析，并给出了解析表达式。

The field deformation in curved step-index single-mode circular optical fibers and the birefringence induced by waveguide geometry effect are analyzed by perturbation method and the analytic result is given .

基于插值的全矢量有限差分法求解阶跃光波导本征模式端面光斑对阶跃光纤中轴对称导模功率的影响

A Full-vectorial Finite-difference Method Based on Interpolation for Modeling Step-index Optical Waveguides Influence of Light Sport at End-face of Optical Fibers to Powers of Axis-symmetrical Guided Modes in Step-index Optical Fibers

以实验模态数据修正降阶模型为研究对象，由于所测量的特征对阶数通常小于模型阶数，造成了特征方程为超越方程。

In this paper , that using experimental mode data to modify calculating model is taken as the research object . The area of myocardial necrosis was measured and the experiment data means with the (?)

仿真结果表明，回路对阶跃输入响应信号有较好的快速性和稳定性，对控制对象参数变化有较好的适应性。

The simulation results illustrate that the loop of overload-control has fairly good stability and characteristic of celerity to the step input-response signal , and has good adaptability to different parameter variety of the control object .

实验结论说明，通过在常规模糊控制器加入这种规则校正算法，可进一步降低系统对阶跃输入信号响应的过渡过程的超调量，并提高的收敛速度。

The experiment result shows that by adding this modification algorithm into normal fuzzy controller , overshoot of transition process that system responds to the step signal will be further decreased , and convergent speed will be further increased .

根据能流方程对阶跃型聚合物光纤光传输中的模式耦合进行了研究，从实验上测量了聚合物光纤的模式耦合系数，测量得到的模式耦合系数为7.61×10-4rad2/m。

The mode coupling of POF was studied based on the power-flow equation . The mode coupling coefficient of POF was measured experimentally , the measured coupling coefficient was ( 7.61 × 10 ~ ( - 4 ) rad ~ 2 / m. )

Simple算法用来完成对0阶方程的积分，分离变量法用来求解1阶扰动方程。

The Simple algorithm is used to integrate the zeroth-order equation .

最后，通过计算机仿真对四阶MUSIC算法和传统MUSIC算法进行了性能比较。

At last , the performances of four order MUSIC algorithm and traditional MUSIC algorithm are compared with each other by computer simulations .

考虑到碱基对梯阶间的非紧邻相互作用，提出DNA宏观弯曲的经验预测规则。

Empirical rules , which take into account the non-neighbor interactions between the base-pair steps , have been presented to predict DNA curvature .

本文利用计算机研究了Q值对二阶低通有源滤波器的幅频特性的影响。

The effects of Q values on the amplitude-frequency characterstic of an active filter have been studied by using computer .

然后，在Matlab环境下对二阶Sigma-Delta调制器进行了行为级仿真，确定了电路设计所需的关键指标。

Then , the behavior simulation was performed on a 2nd-order Sigma-Delta modulator under Matlab .

通过对n阶行列式的理论和计算方法进行归纳分析，总结出一些有用的计算n阶行列式的方法和技巧。

In the paper , we come down to the theory and the calculating method of n order determinant and sum up some useful skills of calculation .

用GPC算法实现对一阶惯性加纯滞后对象的预测控制

Predictive Control over One-order Inertia Plan with Time Delay Based on GPC Algorithm

考虑碱基对梯阶之间的非紧邻相互作用，提出了预测BDNA局部弯曲的经验规则。

The empirical rules , which take into account the non neighbor interactions between the base pair steps , have been presented to predict the local bending of B DNA .

考虑α稳定分布噪声对二阶循环统计量的影响，提出了分数低阶循环相关函数和p阶循环模糊函数，并将其应用到时延估计问题中。

Taking into consideration the influence of α stable distributed noise on second order cyclostationary statistics , fractional lower order cyclostationary statistics are developed , and then applied to time delay estimation problems .

文章对斜阶跃信号激励下的RLC互连线时延模型进行了研究。

Analytical delay models for RLC interconnects under ramp input are presented .

然后，本文在这些资源的基础上实现了对二阶系统的PID闭环控制，证明了控制器的可行性。

And then , based on thses resources , this dissertation designed a PID closed loop control which verifies the feasibility and correctness of the controller .

对4阶UAHB样条重新参数化，在给定误差范围内，UAHB样条可由4阶均匀B样条精确逼近。

Any UAH B-splines can be approximated by the 4-order uniform B-splines at a high accuracy within an error range .

KOH对低阶煤在超临界水中制取富氢气体的影响

Effect of KOH on conversion of low rank coal to hydrogen-rich gas in supercritical water