The tapped line input output block with compact structures and flexible design method , was studied by many designers in the sixties and seventies of last century . but it is because the weak precision , hard tuning and long design period of traditional equivalent circuit method influences the development and wide use of this block 抽头式输入输出单元,以其紧凑的结构形式,灵活的设计方法,早在上世纪六七十年代就被许多人员研究,但是由于等效电路法分析该单元的精度较差、调试难度大、研制周期长等原因,影响了抽头式微波滤波器的广泛应用。
Its function is to simulate different water " s movement forces exerted on the fin stabilizer on different position so as to detect technical function index of the fin stabilizer . thus lots of time and funds can be saved , reliability and success proportion can be raised 它的功能是模拟减摇鳍鳍片在不同角度时所受到的水流的作用力，并把此力实时的施加于鳍片，从而检测减摇鳍控制系统的技术性能指标，以达到缩短研制周期，节约研制经费，提高可靠性和成功率的目的。
Now days , with the improvement of computer capacities and technique of microwave cad , the precision and efficiency of the high frequency simulation softer is raising highly . so we can associate the equivalent circuit method with the softer of high frequency simulation , to improve the characteristics and shorten the design period 随着计算机性能的提高,以及微波cad技术的进步,高频电磁仿真软件仿真的精度和效率不断提高,可以将传统的等效电路设计方法与高频电磁仿真软件相结合,提高设计精度,缩短研制周期。
The research effort offers favorable condition for future research of the shape meter closed - loop computer control system . stress signal generator which can generate the voltage signal similar with rolling tension stress signal is be designed . with the signal generator , testing shape meter control system will be very convenient and its development cycle will be significantly shorten 另外，利用微机和pcl - 812pg数据采集卡等设计并研制出了可以产生符合轧制张力要求的张力信号源，利用张力信号源为板形仪控制系统的实验、调试提供了方便，可大大缩短板形仪的研制周期。
This paper combines vr technology with the research and development of simulation . in order to supply data for later system , a system platform that can simulate testing spot can be built up in the lab condition . therefore this not only can improve design efficiency , but also shorten design period and decrease the risk of failure 本文正是将虚拟现实技术运用到仿真领域，在实验室环境下建立一个可以模拟测试现场的系统平台，以期能为后级系统的开发提供所需数据，从而缩短后级系统的研制周期，提高研制质量，减少研制风险度。
In the thesis , the insufficiency of manipulating large assembly in unigraphics is improved enormously ; a set of comparative perfect resolving scheme according to large assembly , such as large assembly modeling , large assembly simplification and manipulating large assembly rapidly , is summarized , which is very important for shortening the cycle of developing products and saving the cost of enterprises 本文在ug高级装配功能的基础上，通过二次开发完善了其操纵大装配的不足，总结了一系列从大装配建模、大装配简化及快速操纵大装配的完整解决方案。对缩短产品研制周期，节约企业成本都具有重要意义。
At present , the design of mechatronics " control system is done by hand and has some problems such as lower intelligence ' s automation , higher demand of designer ' s experience , worst reusability and so on . what is more , the design of software depends on the design of hardware strongly and the programmed languages of different hardware vary . all of these above make for the present situation of higher cost , longer cycle and heavy burden of designers in developing the control system 机电控制系统是机械设备向机电一体化设备转换的重要因素，机电控制系统的设计水平在很大程度上制约着机电一体化技术的发展，目前，机电控制系统的设计基本上采用手工设计的方法，存在着“智能”自动化程度不高、对设计人员的设计经验要求高、控制软件复用性差等问题，尤其是在控制系统中，软件对硬件依赖性极强，往往不同的硬件编程语言差别较大，从而导致了控制系统开发成本高、研制周期长、设计人员负担重的现状。
The aviation science teclmology will be developed and become to a practical technology , so as to form technology reserve , and supply the idelltified technology to the developmellt of the military aircraft , and this will shorten the developmeni term and raise the developing success rate of the military aircraft 预研先行是航空技术发展的客观规律，预先研究探索航空科学技术，并向实用技术发展，形成技术储备，为军用飞机研制提供经过试验验证的技术，将缩短研制周期，提高军用飞机研制的成功率。
The system basically realizes the parametric design of fan ' s components and parts ; accelerates the automatism of fan design , which is convenient for efficient use of all kinds of information resource about the former product and for reducing the wastage of information resource , and for shortening the cycle of fan - design . the system has a promising future in improving the capability of fan and quality of design 本系统基本实现了风机零部件的参数化设计，加速了风机设计的自动化，以便有效地利用各种已有的产品信息资源，减少资源浪费，降低了风机的设计研制周期，对于提高风机的性能，设计质量有着广泛的应用前景。
It can efficiently reduce the time and cost of development and can provide support method , such as , optimizing design , real time simulation , failure diagnosis , on orbit management etc . this thesis base on vpm platform to build a coarse - grained virtual prototype of space station , mainly discussed : ( 1 ) the construction and expanding of vpm virtual prototype , a user model about space station has been programmed for vpm 这样可以有效的缩短研制周期、节约研制费用，并为实际运行提供优化设计、实时仿真运行、故障诊断、运行管理等支持手段。本论文基于虚拟样机vpm平台，建立了空间站粗粒度虚拟样机，主要进行了以下的研究： ( 1 ) vpm虚拟样机的构成、扩充。
