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Although the Preissman scheme of KP equation is multisymplectic, it took too efforts to realize, Hence we elimate the auxiliary variable by a trivial computation and obtained the multisymplectic forty-five points scheme of KP equation. And then, we test this forty-five points scheme on soliton and solitary waves over long time intervals, the numerical results shows the propagation and interact of soliton and solitary waves.

但是在实际的数值实验中，由于需要计算共轭动量的值，Preissman格式需要占用的计算内存比较大，计算时间比较长，因此我们在数值格式中消去共轭动量，最后得到与多辛Preissman格式等价的一个多辛45点格式，我们用这个格式进行了数值实验，数值实验结果很好地显示了孤立子和孤立波的传播与碰撞。

A second order accurate, high resolution scheme, called WSUC scheme, has been proposed. This scheme is total variation bounded and unconditionally stable in the sense of convective numeral stability.

提出了一种具有二阶空间精度的WSUC格式，对它的精度、总变差有界性和对流的数值稳定性进行了分析。

The distributive signature and cheat-proof secret sharing scheme are used during the course of the signature in this scheme. Compared with recent RSA digital signature,this scheme has a higher security.

该方案在签名过程中溶入了部分签名和防欺骗的秘密共享方案，相比于现有的RSA签名方案，该方案具有更高的安全性。

The combined scheme of selective hydrogenation and etherization of FCC's light gasoline and hydrogenation desulfurization of heavy gasoline can make gasoline quality meet EURO IV Standard, indicating that this combined scheme is a feasible scheme selection for gasoline quality updating and upgrading.

FCC汽油实施加氢、醚化及重汽油加氢脱硫组合方案后，可使该汽油质量满足欧IV标准，说明该组合方案是实现汽油产品升级换代的一种可行的方案选择。

Through presentation and discussion of traditional wavelet construction with lifting scheme, the multiwavelet construction with lifting scheme is introduced. The extension of Vetterli-Herley theorem under multiwavelet condition is overall proved in detail. Based on equivalent scalar filters banks, a kind of multiwavelet construction with lifting scheme and corresponding theorem are proposed.

通过介绍基于提升格式构造传统小波的内容，引入基于提升格式构造多小波的研究，对Vetterli-Herley定理在多小波中扩展进行详细全面地证明，提出了一种基于等效标量滤波器组的提升格式构造多小波的实现框架和定理，并通过实例验证该方案的可行性。

In them, choose the best control scheme, PD control scheme with two loops, as the real-time control scheme, and tests it on the linear 1-stage inverted Pendulum real-time control system, The result demonstrate that this strategy can realize the position of dolly and the angle of haulm to be close-loop controlling simultaneity.

通过在实际单级倒立摆装置上的实时控制试验证实所提出的控制方案可以实现了对小车位置和摆杆偏角的同时闭环控制。

With the compare of research methods such as direct experiment, indirect method and numerical simulation method, and with the applied background of the Virtual Prototype technology, the paper puts forward a new strategy for the design of the testing device for dynamic response of road based on Pro/E、 ADAMS and ANSYS software. On the basis of the theory, this paper analyze the scheme and the important parts, and has proposed that actual modeling parameter, pattern and arrangement scheme, and structured the complete machine scheme of a testing device for testing road dynamic response based on dynamic load of vehicle-road.

本文在系统分析了各种车路系统动载荷研究方法的基础上，针对直接试验方法、间接试验方法和数字仿真方法的发展，并结合"虚拟样机"技术的应用背景，提出了一种基于Pro／E、ADAMS和ANSYS软件的基于车路动载荷的测试路面力学响应的试验装置的虚拟样机的实现策略，并在此基础上，对方案和重要部件进行了分析，提出了实际的建模参数、型式和布局方案，构建了一种基于车路系统动力学的测试路面动态力学响应的试验装置的整机方案。

Considering the key to the bivariate simple equation is innumerability and the high security, we use Schnorr's signature scheme and Wu et al.'s signature scheme, present a new multi-signature scheme based on the bivariate simple equation.

我们分析研究了基于Schnorr方案和吴挺等数字签名方案，提出了基于离散对数问题并以二元一次不定方程为基础的一个多重数字签名方案。

Taking the ring intersection at Bell Tower of Xi′an as an example,optimized signal timing scheme is proposed with the help of traffic simulation software VISSIM,and then the scheme is evaluated. The results of analysis indicate the scheme can reduce the vehicle delay and improve the traffic capacity of the ring intersection effectively,which validate that applying microcosmic simulation software VISSIM in signal timing of ring intersection is feasible.

以西安市钟楼环形交叉口为例，借助VISSM交通仿真软件，寻求其优化配时方案，并对方案进行评价，分析结果表明该配时方案能有效地减少车辆延误，提高环形交叉口的通行能力，验证了VISSIM微观仿真软件应用于环形交叉口信号配时的可行性。

For such a single-input-two-output unstable system with strong nonlinearity and strong coupling,the control scheme was accomplished by adding a tracking differentiator and the feedback control law comprised of the errors of the two controlled variables,instead of the only one in the usual ADRC scheme. This method expanded the range that the ADRC scheme can deal with.

倒立摆系统以其结构简单直观，构件参数和形状易于改变，成本低廉，而本身又是一个高阶次、不稳定、多变量、非线性、强耦合系统，被公认为自动控制理论中的典型试验设备，也是控制理论教学和科研中不可多得的典型物理模型。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。