In this paper , we summarize the basic principles of the if ( intermediate frequency ) digital technology and detail the project and realization of the if digital system 本文概述了中频数字化技术的理论基础，详细讨论了中频数字化系统的方案和具体实现，同时给出了系统有关指标的测试方法和测试结果。
Non - destructive testing - qualification of radiographic film digitisation systems - definitions , quantitative measurements of image quality parameters , standard reference film and qualitative control 无损检验. x射线照相胶片数字化系统的质量鉴定.定义成像质量参数的定量测量，标准参考胶片以及定性控制
Based on computer vision principles , a new 3d digitizing system is developed in this paper using a digital camera and cars " models can be constructed only by photography 本文基于计算机视觉原理，利用数码相机，设计了一套轿车车型快速数字化系统，通过对轿车仿真模型的旋转、摄像来获取车身的3d信息。
The quota of material consumption is a subsystem of process digitalization system and is a bridge of combining shop , finance department , material provider , and product exploitation together 材料消耗定额系统是工艺数字化系统中的一个子系统，它是联系生产车间、财务、供应、产品开发等部门的桥梁和纽带。
Non - destructive testing - qualification of radiographic film digitisation systems - part 1 : definitions , quantitative measurements of image quality parameters , standard reference film and qualitative control 无损检验. x射线照相胶片数字化系统的合格检验.第1部分:定义图像质量参数的定量测量标准参照胶片和定性控制
After investigation on the original way of the archive management and working flow , the archive management digitalization system is structurally designed including the topo design , function design and database design 文中在调查现有档案管理方式和工作过程的基础上，采用结构化设计方法进行档案管理数字化系统的系统设计，包括系统的拓扑结构设计、功能设计以及数据库设计。
The paper particularly discusses the archive digitalization sub - system in which the archives are input by its classification . accordingly , the universal scanner input system and digital camera multithreads collecting system are developed to fix the variable classifications 文中详细讨论了档案数字化系统，将档案分类进行录入，并根据不同类型的档案设计了相应的扫描仪和数码相机的多线程录入系统。
Many capital tv stations have formed digital studio systems fundamentally . with the declining in price of digital facilities , forming digital systems of their own has no more unimaginable for the universities and colleges which suffered from economic limitations before 随着数字设备价格的不断下降，对于经济条件有限的高等院校来说，组建自己的数字化系统已不再是遥不可及了，各个高校也都开始着手考虑这个问题。
On the base of the project of national science fund - - - < research of the technology of ultra high speed digital information > ( no . 60082001 ) , the main work of the article is studying , designing and adjusting the system of 100gs / s equivalent - time sampling 本文在国家自然科学基金《超高速信息数字化技术研究》 （批准号： 60082001 ）的立项基础上，研究、设计、调试了超高速信息数字化系统的关键部分? ? 100gs / s的等价采样系统。
This dissertation analyses the system of the ideal software radio and the processing ability of digital signal processors , provides the realization of software radio system in recent years , that is , based on the commonly used hardware platform , software programmable and configurable , if digital system , and declares the popular digital technologies in software radio which can be used in this if digital system 本文在分析了理想软件无线电系统和当前数字信号处理器的运算能力后，提出了现阶段可实现的软件无线电系统，即建立在标准化模块化的通用硬件平台上的软件可编程可再配置软件无线电中频数字化系统，并对这个系统上可实现的软件无线电通用数字技术作了介绍。
