In conclusion , this paper focuses on the modeling technology of assembly in virtual manufacturing environme nts , analyzes the cause of assembly error and gives its revise arithmetic , and solves the problems of low display speed and real time by the entity modeling method 论文重点研究了虚拟制造环境的装配建模技术，分析了装配误差的产生及校正方法，解决了采用直接实体造型法显示速度慢，实时性差的问题，具有较强的实用性。
Dsp56f805 samples the ultrasonic pulse coming back from the target , then measures the distance and shows it on led . tms320vc5509a is accomplished the detecting speed and the main control of the radar system , is 16 fixed dsp with high performance and low power produced by ti company . dsp5509a samples the wave coming from t / r module , then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company , which controls the lcd 测距雷达系统的控制和信号处理的核心芯片是motorola公司的dsp型16位单片机56f805 ,由它对超声波回波脉冲进行ad采样后,计算目标距离并在七段数码管上显示。测速雷达系统中信号处理的核心芯片是ti公司的超低功耗、高性能的16位定点dsp ? ? tms320vc5509a ,由它对收发组件输出的多普勒回波进行采样,计算出目标运动速度后,送给辅助控制芯片? ?飞利浦公司生产的基于c51内核的增强型单片机p89v51 ,并且在液晶显示器上显示速度信息。
The induction of ais technology still ca n ' t integrated with the devices of old system satisfactorily , the data of ais is only shown on the electronic chart background in ecdis , but does n ' t fulfill the fusion with the data of radar . more , some system functions related with display and interface still need be perfected , such as quickly moving , auto select chart , static information associate with target display , etc . the integrated information processing and display system researched in this thesis has been successfully applied in some vts projects and related projects , such as cheng - dao oil field survey system , yan - tai mount vts rebuild project etc . to the disadvantage exposed to us in national and foreign vts system , and those putted up in application projects , the thesis did a farther study and consummation , and acquired some research fruits , as follows : 1 . fulfilled the eagle eye function in electronic chart display system 针对目前国内外vts系统中暴露出的薄弱点，以及应用实践中表现出的不足本文对综合信息处理与显示系统做了进一步的研究和完善，取得了以下的研究成果： 1 、电子海图显示系统中鹰眼图的功能设置与实现； 2 、设计一种简易的选图算法，通过该算法实现可在海图放大、缩小时的自动选图； 3 、电子海图上自动录取区的实现(二次自动录取) ； 4 、实现对雷达和ais目标数据及其误差的软件仿真； 5 、船舶自动识别系统中动态信息与雷达动态信息的数据融合处理； 6 、利用数据融合技术解决雷达目标跟踪方面的问题； 7 、海图空间信息中显示区域裁减算法的设计，该模块的实现大幅度提高了海图的显示速度。
Control system by using of japanese p . l . c system and servo electrical drive system by using of west germany basic design in order to the cutting length , square , tension control and sheet counting can be operated directly through operator and machine interface , are equipped with automatic shutdown function and also the speed , the amount of reams , the square of decurler , cutting size , breakdown can be dispayed clearly . easier for controlling the operation 控制系统采用日本系统及西德伺服电机设计理念，使纸张裁切的长度菱角的方正张力的控制及张数的计数可透过人机界面直接输入，并有自动停机的功能设计，此外还可显示速度令数反曲器之工作角度总切断张数等数据，以及运转故障之显示，有助于机器维护工作的进行。
This platform employs windows ce . net as operation system , and applys the technology of embedded program - embedded visual c + + . a vector electronical map system is setup . we can display vector map , zoom and roam the map in that system , further more , simple management of map layers and demand information are also realized , further more , we put forward borderline - detection arithmetic to improve speed of display when we roam the map 开发平台以windowsce . net为操作系统,运用embeddedvisualc + +嵌入式编程技术,建立了一个矢量电子地图系统,实现了矢量电子地图的显示、缩放、漫游、图层管理以及简单的数据查询导航功能,提出了用边界检测算法提高电子地图漫游时的显示速度。
The paper mentions the design of three - dimensional graphics modeling in the mine such as shaft , laneway , and equipment of transport and mining . human - computer interaction and viewpoint rambling in the demo system are realized so that the simulating staff may look at circumstances from different viewpoint and positions . under the precondition of limited resources holding , the contradiction between the fidelity of image display and real - time feature of system interaction process is better resolved with using of display list and model culling technology 论文中采用了opengl图形库的基本绘图函数进行三维图形的模型设计，并详细给出了立井、拱形巷道、梯形巷道以及工作面支架和井底运输巷道设备的三维图形设计方法；并着重分析人机交互与视点漫游功能的技术在系统中的实现；在占用有限资源的前提下，为了提高场景实时显示速度，论文中采用显示列表和模型淘汰等技术，并编制出了一个虚拟矿井实例。
2 . use the mew accelerate function of opengl to accelerate the units display . have adopted the three dimension graphics and opengl ' s technology , it makes use of stencil test to carry on cutting operation , which reduces complexity of programming and has raised the speed and efficiency of displaying 一2 ?根据离散元单元图可视化难点，结合目前各种国内外图形可视化加速方法特点，我们采用新大加速方法进行单元加速，利用op即gl加速结合计算机图形学原理加快单元图形显示，通过对剖切单元表面的stencil操作，减少了大量求法线操作，加快单元剖切操作，减少了编程复杂性，提高了显示速度和效率。
The result can be long distance reception of radio waves that would normally have been far beyond the radio horizon . the equations for ray tracing were given , simulating and tracing electro - magnetic wave duct propagation using spherical layered atmosphere mode , this method is very useful for analysis of radar echo distribution and confirm relation of stratification of atmosphere and ray duct propagation in the process of studying radar second product , introduce a new 3 - d interpolation method . outcome of this method can suit all kinds of density product 在雷达二次产品处理算法中，讨论了一种新的三维插值，比以往在显示每一个雷达二次产品时，都作一次插值相比，这种方法既节省了总的机时，也提高了每个产品的显示速度，在讨论这种方法后，用几个产品的实例，说明了这种方法是可行的，并且还讨论了等值线的生成原理，在“雷达二次产品处理平台”下，开发了visualc + +实现程序。
