高速的

The development and the feature of RPT home and abroad are analyzed systematically in this paper, so the future of RPT in China, the passenger cars with advanced technology and reasonable structure are employed, and the modern passenger transport form with safety, rapidity and conformability through the top-ranking service, is raised.

本文系统分析了国内外高速客运发展及特点，指出采用现代化的技术先进、结构合理的客运车辆，以一流的服务实现旅客安全、快捷、舒适地到达目的地的现代化的公路客运服务形式，是未来我国高速客运的发展方向。

3According to the contradistinguish of all kinds of FFT processing architecture, the design thoughts, rule, method, the characteristics of radix mixed FFT algorithm meets the requirements of scalable FFT architecture. The other FFT algorithms have their own limitations.

3通过分析和比较各种FFT算法的特性和规律后得出，基于FPGA设计傅立叶变换点数可灵活扩展的高速FFT处理器，高组合数FFT算法是最优选择，基一X这种任何基FFT都有扩展的局限性，因为后者是前者的特例，对前者的研究可以得出一般规律的总结，使得高速FFT处理器的结构扩展更为方便和灵活。

Combined with DMU70V, from DECKEL MAHO, this paper presents a full work report as follows:Giving a compositive demonstration about the comparison of all type of CAD/CAM systems available in the macket , developing the proper one as the fundamental system for the study; Creating and programming the DMU70V-CAD/CAM Documentary system; analyzing Free feature modeling from the point of HSM and machining technics of 5-Axis production and the measure of HSM carried through;developing the postprocess document of HEIDENHAINTNC426 Controller which is now used on DMU70V.

同时结合德国MAHOO公司的DMU70V五坐标数控加工中心的实际情况，着重就CAD/CAM支持系统的选择论证和综合分析、CAD/CAM文件系统管理规划、基于高速加工角度的功能曲面的建模及其分析、加工过程的工艺规划和高速加工策略实现的方法、HEIDENHAINTNC426控制器后处理技术五个方面进行了探讨研究。

On the base of the single-diameter laser-scanned measuring technology, a double direction laser-scanned measuring system is presented. Which combinate the laser-scanned measuring technology with special optical system. In the system, the collimation semiconductor laser-scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. The beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high-speed photoelectric transition and electronic data process. Two measured results of the diametric directs and ellipse tolerance,etc, parameter, of the turning workpiece on the same plane are obtained by non-contact automatic measurement. The problem of non-contact measurement of two perpendiculars direct of one plane of turning workpiece is settled. It processes many peculiarities, such as high speed, high accuracy and non-contact automatic measurement, etc.

在单向激光扫描检测技术的基础之上，提出了一种双向激光扫描检测系统，其采用激光扫描检测技术与特殊光学系统相结合，用准直半导体激光扫描光束对被测工件径向某一截面的两个相互垂直方向同时扫描，经扫描接收光学系统、高速光电变换、电子学系统和微机数据处理系统，对将携带有垂直方向被测量信息的光束进行处理，实现了回转体工件同一截面两个垂直方向的径向尺寸和椭圆度等参数的非接触自动测量，解决了同时非接触测量回转体零件同一截面两个径向尺寸的难题，它具有高速，高精度和非接触自动测量等特点。

In the system , the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made . the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system , the high - speed photoelectric transition and electronic data process . two measured results of the diametric directs and ellipse tolerance , etc , parameter , of the turning workpiece on the same plane are obtained by non - contact automatic measurement

在单向激光扫描检测技术的基础之上，提出了一种双向激光扫描检测系统，其采用激光扫描检测技术与特殊光学系统相结合，用准直半导体激光扫描光束对被测工件径向某一截面的两个相互垂直方向同时扫描，经扫描接收光学系统、高速光电变换、电子学系统和微机数据处理系统，对将携带有垂直方向被测量信息的光束进行处理，实现了回转体工件同一截面两个垂直方向的径向尺寸和椭圆度等参数的非接触自动测量，解决了同时非接触测量回转体零件同一截面两个径向尺寸的难题，它具有高速，高精度和非接触自动测量等特点。

Combined with the new process and new products, we have developed their characteristic equations and models, especially for hollow; heteromorphism and composite fibers.

结合新工艺和新产品的开发，本文推导了高速纺丝、热管纺丝、热辊纺丝等工艺的特征单元方程及中空、异形、复合纺丝等新品种的特征单元方程，着重推导了圆形纤维、中空纤维、三叶异形纤维、皮芯复合纺丝的分层结构模型及分块模型，并对高速纺丝及中空纤维的不对称冷却结构进行了系统的数学模拟。

It is seldom reseached the mechanism of highspeed and long-range. On the basis of detailed investigation on the Touzhai landslide, the author have expatiated on the environment condition, studied the moving characteristics of each stage, the laws of friction coefficient of the sliding surface in the set-out stage and the erodynamic effect in the short-range, analyzed the hydrokinetics mechanism of highspeed and long-range.

本文在去现场详细调查的基础上，阐述了头寨滑坡的环境条件，研究了头寨滑坡全程各个活动阶段的运动特征，通过试验研究了头寨滑坡启程活动阶段滑面高速摩擦的规律和近程活动阶段滑坡凌空飞行的空气动力学效应，从流体动力学的观点分析了头寨滑坡高速远程的流体动力学机理。

From the points of view of hydrokinetics, put forward the formula for movement parameters of set-out stage and short-range stage, lay a solid foundation for the theory of hydrokinetics mechanisms of large highspeed rockslide, offer the theoretical proof for the reconnaissance and design of large hydraulic power project, railway and highway, gain the ends of preventing and decreasing the disastes.

在试验研究的基础上，从流体动力学的观点出发提出了大型高速岩质滑坡启程和近程活动阶段运动参数的计算公式，为大型高速岩质滑坡全程流体动力学机理理论的建立奠定了良好的基础，为大型水电工程的勘察设计和铁路、公路新线勘察设计提供理论依据，达到防灾减灾的目的。

This dissertation introduces the developmental status of the LLL processing technology research and the history of the development of DSP.

论文介绍了微光图像处理技术的发展状况，结合高速数字信号处理器的发展历史，在对基于高速数字信号处理器的微光视频图像处理器的硬件实现方案研究的基础上，重点进行了系统软件的研究与设计。

A new scheme of frequency measurement in hydro-turbine governor is introduced in this paper. Instead using single-chip computer or P LC high-speed count module, it utilizes the interrupt functions and high-speed counter in the PLC base unit and peripheral circuit. With enhanced reliability and reduced cost, the governor designed in this scheme shows good application pr ospect.

介绍一种在水轮机调速器中实现频率测量的新方案，该方案不需要单片机，也不需PLC的高速计数模块，它是利用PLC基本单元的中断功能、内藏的高速计数器及相应的外围电路得以实现，从而既提高了调速器的可靠性，又降低了其成本。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。