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色彩重现
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  color reproduction
     In this paper,we propose the“Virtual Standard Color Device”to solve the cross platform and cross network color reproduction problem.
     本文提出了“虚拟标准显色设备”的概念 ,较好地解决了跨网络、跨平台的色彩重现问题 .
短句来源
     Furthermore, the luminescent properties of nanosized CaAl_2O_4∶Eu~(2+) under 147 nm vacuum ultraviolet (VUV) excitation were investigated, and the results show that the decay time of the product is (2.43) ms and relative luminescent intensity of it is 92 % of that of commercial blue-emitting phosphors BaMgAl_(10)O_(17)∶Eu~(2+),and the color coordinates y value of it is 0.042 6 and lower than that of BaMgAl_(10)O_(17)∶Eu~(2+),which means that the color reproduction range by using CaAl_2O_4∶Eu~(2+) is wider than that of BaMgAl_(10)O_(17)∶Eu~(2+),so the obtained product can be widely applied to PDP.
     并研究了在真空紫外条件147nm激发下纳米CaAl2O4∶Eu2+的发光性能,结果表明其余辉时间为2.51ms,相对发光强度为商用PDP蓝粉BaMgAl10O17∶Eu2+的92%,色坐标y值为0.0426,比BaMgAl10O17∶Eu2+的色坐标y值小,说明纳米CaAl2O4∶Eu2+的色彩重现域更广,在PDP应用中会具有较好的前景。
短句来源
  相似匹配句对
     Understanding Color
     感悟色彩
短句来源
     Magic color
     神奇的色彩
短句来源
     Digital Reconstruction of Hologram
     全息图的数字重现
短句来源
     A Theory to Create Art Anew
     重现艺术的理论
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  color reproduction
Using the proposed method, the result of the color reproduction is experimentally demonstrated by a six-primary projection display.
      
Recently, multispectral images have been utilized for high fidelity color reproduction through visual telecommunication systems and its compression schemes have been required.
      
The multi-spectral based color reproduction technique has been proposed for providing independent color of device and viewing conditions.
      
This process provides more accurate reproduction than the conventional forward process of the color reproduction.
      
You will enjoy accurate color reproduction and high quality images.
      
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With the pervasiveness of networks and multimedia applications,color communication and reproduction have drawn much more attentions.Although the ICC based color management techniques can provide the color reproducing and transmitting mechanism,limitations still exist:prone to increase the system overhead,inconvenient to deliver the color devices characteristic and difficult to combine different color management systems.In this paper,we propose the“Virtual Standard Color Device”to solve the cross platform and...

With the pervasiveness of networks and multimedia applications,color communication and reproduction have drawn much more attentions.Although the ICC based color management techniques can provide the color reproducing and transmitting mechanism,limitations still exist:prone to increase the system overhead,inconvenient to deliver the color devices characteristic and difficult to combine different color management systems.In this paper,we propose the“Virtual Standard Color Device”to solve the cross platform and cross network color reproduction problem.Experimental results prove the effectiveness of this solution.

随着网络的普及和多媒体应用的增长 ,彩色的传输和真实重现日益受到重视 .虽然基于ICC的色彩管理提供了色彩复制与传递机制 ,但是这些技术仍存在增加系统开销、设备特性信息传递困难、不同色彩管理系统难以混合等问题 .本文提出了“虚拟标准显色设备”的概念 ,较好地解决了跨网络、跨平台的色彩重现问题 .实验结果证明了这种方法的有效性 .

During the 2004 US presidential election, Fox news network abandons the reporting principle of “objectivity” and puts forward “fairness and balance”, which reveals the media's political differences in pursuing their own parties, the democrat and the republican. This has shone a new light on the old party tradition of US media. Their various practical behaviours are the new explanation to the concept of free press, which will have profound influence on the US TV media.

20 0 4年美国总统大选中 ,福克斯新闻网摒弃“客观”报道方针 ,提出“公正而平衡”的原则 ,凸现了美国分别代表民主党和共和党的新闻媒体在政治上的分歧。使美国媒体古老的政党色彩重现新时代的光芒。其各种现实表现正是对美国新闻自由观念的新诠释。对美国电视媒体的影响也极其深远。最严重的是如果电视媒体为了党派人士的”信任率”而去主导政治 ,对之进行巧妙包装 ,将政治变成“为电视而制作”的政治 ,政治运作难免趋于迎合商业娱乐体系的需求 ,不仅对政治损害巨大 ,也埋下危害媒体公信力的炸弹

Nano-scale blue-emitting phosphor CaAl_2O_4∶Eu~(2+) for color PDP was prepared by precipitation method using ultrasonic radiation. The phosphor was characterized by XRD,TEM, fluorescence spectrophotometer and PDP vacuum ultraviolet fluorescence spectroradiomentric system. The XRD patterns show that the product prepared at 1 350 ℃ is single phase CaAl_2O_4 host,which is 150 ℃ lower than that of high temperature solid state reaction. The products of CaAl_2O_4∶Eu~(2+) were prepared by high temperature solid state...

Nano-scale blue-emitting phosphor CaAl_2O_4∶Eu~(2+) for color PDP was prepared by precipitation method using ultrasonic radiation. The phosphor was characterized by XRD,TEM, fluorescence spectrophotometer and PDP vacuum ultraviolet fluorescence spectroradiomentric system. The XRD patterns show that the product prepared at 1 350 ℃ is single phase CaAl_2O_4 host,which is 150 ℃ lower than that of high temperature solid state reaction. The products of CaAl_2O_4∶Eu~(2+) were prepared by high temperature solid state reaction, traditional precipitation method and precipitation method using ultrasonic radiation, respectively. The result shows that the product obtained by ultrasonic-precipitation (method) cannot form agglomeration and the particles size is 70 nm,and the relative luminescent (intensity) was improved greatly. Meanwhile the influence of Eu~(2+) on the luminescent performance of CaAl_2O_4∶Eu~(2+) was investigated, and the optimal doping dosage of Eu~(2+) was ascertained. Furthermore, the luminescent properties of nanosized CaAl_2O_4∶Eu~(2+) under 147 nm vacuum ultraviolet (VUV) excitation were investigated, and the results show that the decay time of the product is (2.43) ms and relative luminescent intensity of it is 92 % of that of commercial blue-emitting phosphors BaMgAl_(10)O_(17)∶Eu~(2+),and the color coordinates y value of it is 0.042 6 and lower than that of BaMgAl_(10)O_(17)∶Eu~(2+),which means that the color reproduction range by using CaAl_2O_4∶Eu~(2+) is wider than that of BaMgAl_(10)O_(17)∶Eu~(2+),so the obtained product can be widely applied to PDP.

将超声波运用于沉淀法合成了彩色PDP用纳米级蓝粉CaAl2O4∶Eu2+。用X射线粉晶衍射(XRD)、透射电镜(TEM)、荧光分光光度仪及PDP真空紫外荧光光谱测试系统对样品的性能进行了表征。XRD显示在1350℃煅烧就能得到单相的CaAl2O4基质,相对于高温固相反应法烧结温度降低了150℃;分别用高温固相法、传统的沉淀法和运用了超声波的沉淀法制备出了CaAl2O4∶Eu2+产物,结果表明运用了超声波的沉淀法制备出的纳米CaAl2O4∶Eu2+未发生团聚,粒度达70nm,相对发光强度大大提高;同时研究了Eu2+对CaAl2O4∶Eu2+的发光性能的影响,确定了Eu2+的最佳掺杂浓度;并研究了在真空紫外条件147nm激发下纳米CaAl2O4∶Eu2+的发光性能,结果表明其余辉时间为2.51ms,相对发光强度为商用PDP蓝粉BaMgAl10O17∶Eu2+的92%,色坐标y值为0.0426,比BaMgAl10O17∶Eu2+的色坐标y值小,说明纳米CaAl2O4∶Eu2+的色彩重现域更广,在PDP应用中会具有较好的前景。

 
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