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display tube
相关语句
  显示管
     Display Tube: Market and Technology
     显示管的市场和技术
短句来源
     Design of Analysis System for Screen Space Property of High Resolution Display Tube
     高分辨率显示管屏空间特性分析系统设计
短句来源
     Test Instrument of Line Width of High Resolution Display Tube
     高分辨率显示管线宽测试仪
短句来源
     An analysis system for screen space property of high resolution display tube is presented in the paper.
     介绍高分辨率显示管屏空间特性分析系统。
短句来源
     Signal Processing in the Measuring Screen Characteristics of High Resolution Display Tube
     高分辨率显示管特性测试中的信号处理
短句来源
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  “display tube”译为未确定词的双语例句
     An automatic testing system based on CCD for color display tube electron beam landing screen error
     基于CCD的CDT电子束着屏误差自动测试系统
短句来源
     Design of the Correction Len of Color Display Tube
     彩色显象管曝光校正透镜设计
短句来源
     The 3D model and numerical control of display tube's deflection yoke
     显像管偏转线圈绕线模的3D造型与数控加工
短句来源
     The display tube can be steadily operated at the brightness of 5,000- 10,000cd/m2 (at Va=40- 65V) , and a good legibility in a high ambient illumination (e.g., bright sunlight falling directly or an ambient illumination of 100,000 lux) can be achieved.
     后者配上适当的滤光片、在阳光直接照射或照度高达100,000lux的条件下仍能清晰地阅读。
短句来源
     To solve the problem of tracing the quality of every working procedure and single production on display tube product line, identified the single tube by bar code, collected the process parameter and check result of every tube on line in every working procedure, delivered the data to the database, established production document for every tube, realizes the quality traceability of the whole processing procedure and the whole life of display tube, improves the quality control of product line.
     为了在显像管生产线上对生产工序单个产品进行质量跟踪和追溯,提出了通过条形码识别单个显像管的方法,在线采集了各个工序对每个显像管的处理参数和检查结果,建立了每个显像管的生产档案,实现了显像管全生产过程质量跟踪和全寿命质量追溯,提高了生产线质量管理水平。
短句来源
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  相似匹配句对
     Display Tube: Market and Technology
     显示管的市场和技术
短句来源
     Display
     显示
短句来源
     From the Vacuum Tube Factory to Display Aircraft Carrier
     从电子管厂到显示航母——京东方的海外并购扩张之路
短句来源
     GOODS DISPLAY
     厂商展示
短句来源
     TUBE HOUSING
     管式住宅
短句来源
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  display tube
A design analysis of a field effect controlled storage display tube was carried out.
      
Deflection yoke (DY) is one of the main components of the color display tube (CDT) that determines the image quality of a computer monitor.
      
The signal originating from each element while it is under irradiation modulates the electron beam of a display tube.
      
The display tube beam is deflected synchronously with the probe scan.
      


A crystal clock and calendar was developed in our seismic observations. The time accuracy of the clock is ≤ 3 X 10-9/day. It is build of MOS IC and the display consists of a group of miniature fluorescent display tubes. The clock and calendar data are also given in series code format as well as the normal output of hour, minute and second time marks.

在地震观测中发展了一种石英日历钟。这个钟的时间精度为≤3×10~(-9)/天。它是采用MOS集成电路制成的,并使用荧光数码管作为日历和时钟的显示。时标输出除有常规的时、分和秒号外,还将日历和时钟数据以串行编码方式输出。

The relationship of the brightness B and the anode voltage Va for the low energy electron luminescence(LEEL) may be expressed by β= QVanwhere Q and n are constants. This equation shows that the brightness is proprotional to Van. But at higher anode voltages,the brightness gees through a maximum and then decreases. That is so-called "brightness saturation" of LEEL. In this paper, the basic physical reasons of the brightness saturation have been discussed. It was pointed out that when Va = Vg (Vg is the grid voltage)...

The relationship of the brightness B and the anode voltage Va for the low energy electron luminescence(LEEL) may be expressed by β= QVanwhere Q and n are constants. This equation shows that the brightness is proprotional to Van. But at higher anode voltages,the brightness gees through a maximum and then decreases. That is so-called "brightness saturation" of LEEL. In this paper, the basic physical reasons of the brightness saturation have been discussed. It was pointed out that when Va = Vg (Vg is the grid voltage) the brightness saturation is not due to thermal quenching or dynamic saturation of the luminescent centres, but mainly due to the following processes: first, the electron emitting from the cathode is fatigued, resulting in a decrease of anode current density, and second, the ratio cf the anode and the grid current densities is decreased, since the secondary electron emission of ZnO: Zn increases with increasing applied anode voltage. For a flat triode luminescent device the ratio Ia/Ig may be given bywhere u is a constant, o(Va)is the effective cross section of the grid, d. and dg are the distances from the anode and from the grid, to the cathode respectively. When a voltage much less than that of the anode is applied to the grid, the secondary electrons emitted from the znO: zn will return to the anode, so the above expression can be simplified as As can be seen, the ratio of the anode and grid current densities increases with increasing (Va)1/2. In this case, the saturation brightness will obviously increase, e.g., 4230cd/m2 for Va=Vg and 8918cd/m2 for Vg<>Va, the principal factor for the brightness saturation will be thermal quenching. The brightness is related to the input power W0 bywhere a and b are constants, B10 is the brightness at 10℃,P the power efficiency, the thermal conductivity, d the thickness of the anode substrate , and TO the temperature of the external surface of the substrate. For a given anode currect density , the optimal input power Wm corresponding to the efficiency maximum can be written asFinally, according to the results mentioned above, a luminescent device with saturation brightness of 37,000cd/m2 as well as a high brightness vacuum fluorescent numerical display tube havebeen manufactured. The brightness of the display tube increases with increasing anode voltage and reaches a maximum (22,000cd/m2) at about 157V. At still higher voltages, the temperature exceeds the quenching temperature of the ZnO: Zn phosphor and the brightness decreases. The display tube can be steadily operated at the brightness of 5,000- 10,000cd/m2 (at Va=40- 65V) , and a good legibility in a high ambient illumination (e.g., bright sunlight falling directly or an ambient illumination of 100,000 lux) can be achieved.

本文讨论了ZnO:Zn低能电子发光亮度饱和的物理原因。指出,在V_g=V_a(通常数字显示的情况)的条件下,亮度饱和的主要原因是ZnO:Zn次级电子发射和阴极发射疲劳;若取V_g(?)V_a,则饱和亮度成倍提高,这时热猝灭将是亮度饱和的主要因素。同时指出,对于一定的输入功率,存在着一个与最佳效率相对应的最佳阳极电流密度;低阳极电流密度,高阳极电压往往是低效率的。作者根据本文的研究结果,制成了饱和亮度高达37,000 cd/m~2的发光管和饱和亮度为22,000 cd/m~2、能在5,000至10,000 cd/m~2稳定工作的高亮度数字显示管。后者配上适当的滤光片、在阳光直接照射或照度高达100,000lux的条件下仍能清晰地阅读。

A definitive conclution concerning the thecretical analysis and calculation of the amount of electron beam deflection for an electrostatic deflection system made up of tripledeflective deflection plates in modern display tubes had not been known. Based upon the electric field theory of physics and the typical structure and parameters of type 13SJ38J display tube, this paper gives the conclusive formulas for calculating the magnitude of electron-beam deflection. The calculated results and the data...

A definitive conclution concerning the thecretical analysis and calculation of the amount of electron beam deflection for an electrostatic deflection system made up of tripledeflective deflection plates in modern display tubes had not been known. Based upon the electric field theory of physics and the typical structure and parameters of type 13SJ38J display tube, this paper gives the conclusive formulas for calculating the magnitude of electron-beam deflection. The calculated results and the data obtained from experimental measurements have heen found in clo se consistence.

本文论述具有三重偏斜偏转板静电偏转系统(三斜板系统)的现代示波管中电子束在荧光屏上偏转量的理论分析与计算。基于物理学中的电场理论和13SJ38J型示波管的典型结构与参数,文中推证出了和实测数据吻合得很好的电子束偏转景的理论公式以及计算机的输出结果。

 
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