参数化

A new parameterized controller is designed for a hard disk drivehead positioning servo system which currently uses the voice coil motor as its servo mechanism.

针对以音圈电机作为伺服机构的硬盘磁头定位伺服系统的性能要求，设计了一个参数化的控制器并进行仿真和实验研究。

Moreover we formulize the optimal path according to the theory of B-spline Curve, so the path which is composed by the grid point can transform into a continuous and smooth curve. By formulizing path we can also calculate angular velocity, angle acceleration, and torque in dynamics.

另外我们根据B-spline Curve的理论将最佳路径参数化，使由格点所组成的最佳路径转换为一条连续且平滑的曲线，藉此我们也可以计算动力学中的瞬间角速度、角加速度与力矩。

Through a stretch-based mesh parameterization process, this paper finally achieves the homomorphous target mesh, which is then used to render the target image by texture mapping.

另外，该方法在参数化的过程中增加了对显著区域和背景结构的约束，能够在保持并增强图像中重要物体的同时，使适应图像的结构不发生明显形变。

Th e feasibility and correctness of the parametric design for hydropneumatic recupe rator are validated by an example.

通过实例验证了对复进机参数化设计的可行性和正确性。

During the design of VXI-bus Serial Controller Module, the functions of VXI-bus including time-sequence for VXI interface, resource management, interrupt process, bus arbitration, are accomplished. To advance the performance and stability, the FPGA technic is used to implement the kerneled code including serial bus time-sequence switching to VXI interface time-sequence, the UART, the Parameterized Baud Generator and"Pipeling frame". The handle type of Data Transfer Bus for VXI-bus is researched thoroughly, and the format of serial data transfer is designed.

在VXI总线串行控制器设计中，实现了VXI总线控制器的基本功能，包括VXI总线接口时序、总线仲裁、超时处理等；同时利用先进的FPGA技术实现了串行总线时序向VXI总线时序的转换、通用异步收发器、参数化波特率发生器、流水线结构等功能模块；在设计中还深入研究了VXI总线数据传输的各种操作类型，制定了串行数据传输的编码格式。

It has the following characteristics: 2D drawings can be maintained with a high degree of consistency of 3D model; CAD /CAPP /CAM are integrated by the generation of comp lete manufacturing information and the integrated digital p roduction line of shell, outfitting and painting is imp lemented basically; the generation of comp lete manufacturing and management information of shell, outfitting and painting lays the foundation for the integration of design, manufacturing and management; the entity and parametrized technology is used to ensure the establishment of ship p roductmodelwith comp lete topology relations; and the data interfaces for the heterogeneous CAD data and information integration ensure the collaborative design for the factories and the institutes.

SPD系统具有如下特点：能保持三维模型与二维图纸的高度一致；通过生成完整的加工制造信息实现CAD/CAPP/CAM集成，基本打通&壳、舾、涂一体化&的数字化生产线；通过生成壳、舾、涂完整的制造和管理信息，为实现船舶&设计、制造、管理一体化&奠定基础；通过实体和参数化技术为建立具有完整拓扑关系的船舶产品模型提供有力手段；并通过与其他系统的数据接口实现异构CAD的数据和信息集成，为厂、所协同设计创造技术条件等。

This thesis introduces the mechanism principle of the device and makes mechanism movement simulation on the base of its parametrical model .

介绍了该装置的机构原理，在参数化模型的基础上进行了机构运动仿真。

In this paper,according to the characteristic of design for camera,Parametrical entity modeling,design for assembly,check-up of interference entity and method of creating 2-D drawing are introduced and means of designing this kind of products are discussed.

根据照相机工程设计的特点，介绍了SolidWorks参数化实体建模、装配体的设计、干涉实体检查以及二维工程图的产生方式，并对该类产品的设计方法进行探讨。

In the chapter 5, firstly, the robust decentralized tracking for a class of nonlinear parametrical composite systems with similarity is considered. The corresponding asymptotically stable controller is obtained.

第五章首先对一类非线性参数化的相似组合系统的鲁棒分散跟踪问题作了探讨，给出了渐近稳定控制器的设计方案。

The veracity of the simulation results is validated by experiments and the effect of the size of capillary hole on vacuum degree is analyzed. The parametrical modeling, simulation, and optimization design of vacuum package process of MEMS devices are realized.

通过实验初步验证了模拟结果的准确性，分析了毛细孔尺寸对腔体和烘箱真空度的影响，实现了MEMS器件真空封装工艺的参数化建模与模拟和仿真优化设计。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新