赛普拉斯日前宣布，其为NEC TOSHIBA Space Systems．Ltd．的卫星超光谱图像应用设计出了一款定制的背面照明式CMOS图像感应器。背面照明（BSI）技术提高了每个像素可捕获到的光量和光谱范围。借此可获得超高灵敏度的图像。这款定制感...赛普拉斯日前宣布，其为NEC TOSHIBA Space Systems．Ltd．的卫星超光谱图像应用设计出了一款定制的背面照明式CMOS图像感应器。背面照明（BSI）技术提高了每个像素可捕获到的光量和光谱范围。借此可获得超高灵敏度的图像。这款定制感应器在业界率先将耐辐射的BSI架构与高速数字输出接口集成在了一起。能对捕获电磁波谱信息的太空超光谱图像进行详细分析。展开更多
A new photodetector--bipolar junction photogate transistor is presented for CMOS image sensor and its analytical model is also established.With the technical parameter of the 0.6μm CMOS process,the bipolar junction p...A new photodetector--bipolar junction photogate transistor is presented for CMOS image sensor and its analytical model is also established.With the technical parameter of the 0.6μm CMOS process,the bipolar junction photogate transistor is analyzed and simulated.The simulated results illustrate that the bipolar junction photogate transistor has the similar characteristics of the traditional photogate transistor.The photocurrent density of the bipolar junction photogate transistor increases exponentially with the incidence light power due to introducing the injection p+n junction.Its characteristic of blue response is rather improved compared to the traditional photogate transistor that benefits to increase the color photograph made up of the red,the green,and the blue.展开更多
Power ShotA2200身材玲珑但实力不可小觑。它采用了约1410万有效像素的图像感应器，并搭载了佳能新开发的“模糊减弱”模式，即使在拍摄移动被摄体时也能减轻被摄体模糊，拍出清晰锐利的图像。此外，它的厚度由前代机型的约2811毫米减...Power ShotA2200身材玲珑但实力不可小觑。它采用了约1410万有效像素的图像感应器，并搭载了佳能新开发的“模糊减弱”模式，即使在拍摄移动被摄体时也能减轻被摄体模糊，拍出清晰锐利的图像。此外，它的厚度由前代机型的约2811毫米减少到约23．6毫米。机身上方和手柄侧面采用了流线型设计，更加突出了其纤薄的特点。展开更多
作为开创“平民”全幅时代的佳能EOS 5D的后续机型，佳能EOS 5D Mark II的推出备受瞩目。在竞争对手相继发布了最新款的全幅机型后，佳能将拿出一款怎样的机型与之抗衡非常值得期待。而佳能也的确没有辜负大家对它的期望，它的诸多新特...作为开创“平民”全幅时代的佳能EOS 5D的后续机型，佳能EOS 5D Mark II的推出备受瞩目。在竞争对手相继发布了最新款的全幅机型后，佳能将拿出一款怎样的机型与之抗衡非常值得期待。而佳能也的确没有辜负大家对它的期望，它的诸多新特性令人应接不暇：5D Mark II采用了2110万有效像素的全画幅CMOS图像感应器，展开更多
文摘赛普拉斯日前宣布，其为NEC TOSHIBA Space Systems．Ltd．的卫星超光谱图像应用设计出了一款定制的背面照明式CMOS图像感应器。背面照明（BSI）技术提高了每个像素可捕获到的光量和光谱范围。借此可获得超高灵敏度的图像。这款定制感应器在业界率先将耐辐射的BSI架构与高速数字输出接口集成在了一起。能对捕获电磁波谱信息的太空超光谱图像进行详细分析。
文摘A new photodetector--bipolar junction photogate transistor is presented for CMOS image sensor and its analytical model is also established.With the technical parameter of the 0.6μm CMOS process,the bipolar junction photogate transistor is analyzed and simulated.The simulated results illustrate that the bipolar junction photogate transistor has the similar characteristics of the traditional photogate transistor.The photocurrent density of the bipolar junction photogate transistor increases exponentially with the incidence light power due to introducing the injection p+n junction.Its characteristic of blue response is rather improved compared to the traditional photogate transistor that benefits to increase the color photograph made up of the red,the green,and the blue.
文摘作为开创“平民”全幅时代的佳能EOS 5D的后续机型，佳能EOS 5D Mark II的推出备受瞩目。在竞争对手相继发布了最新款的全幅机型后，佳能将拿出一款怎样的机型与之抗衡非常值得期待。而佳能也的确没有辜负大家对它的期望，它的诸多新特性令人应接不暇：5D Mark II采用了2110万有效像素的全画幅CMOS图像感应器，
