边滚筒式照排机的代价是最不贱的。
照排机已基本被取代制版机。
The imagesetter has been largely superseded by the platesetter.
第四代照排机：采用激光作曝光的照相排字机。
Fourth-generation phototypesetters: phototypesetters that use laser as light source for exposure.
滚筒型激光照排机：输出质量很高的正片或负片。
Drum type laser typesetter: it outputs positive or negative films of high quality.
介绍了激光照排机的原理及莫尔条纹测量技术的基本方法。
The principle of laser typesetter and fundamental measure methods of moire is introduced.
不值得夺目的是，在照排机分辨率一按时，网目数与图像的条理成反比。
Is worth noting that, in resolution must, imagesetters net mesh size and the image is inversely proportional to the level.
本文介绍了四束激光扫描照排机，照排机内安装有四支氦氖激光器及四个声光调制器。
This paper describes a phototypesetter with four scanning laser beams. There are four He-Ne Lasers and four acoustooptic modulators in the phototypesetter.
针对激光照排机光强锁定中存在的问题，提出了基于单片微型计算机系统的自动锁定技术。
Accordance with the traditional film printers weakness in locking of laser intensity, a new automatic lock technology based on single chip microcomputer was presented in this paper.
本文主要研究了绞盘式激光照排机的输片机构及其工作方式，并在此基础上设计了相应的控制流程。
This thesis describes film transmit machinery and flow of work of capstan imagesetter. Control method and software flow chart are designed accordingly.
在激光照排机中，成像激光光点的坐标是由水平方向的行扫描和垂直方向的场扫描的同步运动决定的。
In the laser typesetter, the coordinates of the imaging laser points are determined by synchronous movement of row and column scanning motors.
通过自检方格的测试证明，该系统提高了激光照排机行、场扫描电机的同步控制精度，从而提高了激光照排机的成像质量。
The testing results from the self-testing grid indicated that the synchronization accuracy of scanning motor and the imaging quality of laser typesetter was both improved.
通过自检方格的测试证明，该系统提高了激光照排机行、场扫描电机的同步控制精度，从而提高了激光照排机的成像质量。
The testing results from the self-testing grid indicated that the synchronization accuracy of scanning motor and the imaging quality of laser typesetter was both improved.
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