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- photodiode dark current 光电二极管暗电流
- This type of amorphous-silicon photodiode has the advantages of low dark current and a capacitance that is independent of the accumulated signal. 这种非晶硅光电二极管有很多优势，如低暗电流和能独立积累信号的电容。
- The average dark current is often eliminated by means of a zeroing circuit. 平均暗电流常利用调零电路消除。
- The thermally generated dark current intrinsic to the photodiodes is always working to charge the diode. 光电二极管固有的热产生的暗电流不断为二极管充电。
- Hence, due to the low noise gain and low dark current, the maximum detectivity (D*) can occur at low negative bias. 因此，由于暗电流与杂讯增益都降低，最大值的侦测度可以在负低偏压时出现。
- Why is it that all the fast-moving fish of the dark current have purple backs and usually purple stripes or spots? 怎么搞的，凡是在深暗的水流中游得很快的鱼都有紫色的背脊，一般还有紫色条纹或斑点？
- We find that the photocurrent of this device is not reduced by the additional MQWs but the dark current is. 我们发现超晶格所产生的光电流并没有因为量子井结构而降低，但暗电流却有减少。
- If the photodiodes have large amounts of dark current, much of the diode's signal capacity will be filled up by charge with no signal information. 如果光电二极管有大量的暗电流，大部分二极管信号电容会在没有信号情况下被充满。
- Etching the surface of germanium layer could decrease the dark current and increase the responsivity under the visible light exposure. 当蚀刻锗层的表面时，我们可以得到较低的暗电流并且提升可见光下的光响应。
- At the same time we studied the difference for use LED low intensity light source and dark current method, mea sured photoelectron spectrum. 同时也介绍了用LED光源测得的单光电子幅度谱及用热发射法测得的暗电流谱的差异,并分析了两种方法测得的幅度谱的差异的主要根源。
- Finally, we advanced an assumption to explain that thick active region had lower dark current and used the program to simulate the experiment result. 最后我们提出一套理论解释较厚的主动层具有较低的暗电流，并利用程式来模拟实验结果。
- Abstract： In all optical asynchronous CDMA communication system，multi-user interference and PIN dark current noise can be reduced by introducing double optical harder-limiters. 摘 要： 在全光异步CDMA通信系统中，引入两个光硬件限幅器是有效减小多用户干扰及PIN光电检测过程暗电流噪声的一种方案。
- In all optical asynchronous CDMA communication system，multi-userinterference and PIN dark current noise can be reduced by introducing double optical harder-limiters. 在全光异步CDMA通信系统中，引入两个光硬件限幅器是有效减小多用户干扰及PIN光电检测过程暗电流噪声的一种方案。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- We started early in order to arrive before dark. 为了在天黑前到达，我们很早就动身了。
- The thick blocking barrier will not only reduce the dark current but also the responsivity and photocurrent.Therefore, the detectivity for the thick barrier SLIP is at the same order for the thin one. 除此之外，厚的电流能障，不仅会使得暗电流降低，同时也会降低光电流与光响应的大小，因此厚能障与薄能障侦测器的侦检率皆在同一个倍率。
- On the other hand, the effect of finger spacing on the photocurrent is more significant.When the finger spacing increases, the photocurrent decreases and the dark current is almost changeless. 指间距增大时光电流减小而暗电流几乎不变，而且指间距对光电流的影响比对暗电流的影响大。
- The simulation results indicate that the dark current and the photocurrent both increase when the finger width increases.But the effect of finger width on the dark current is more significant. 模拟结果表明，指宽增大时探测器的暗电流和光电流都增大，但指宽对暗电流的影响比对光电流的影响大；
- In practice，other noise in the system can be reduced by introducing double optical harder-limiters also，such as：APD shot noise，APD dark current noise，background light and thermal noise. 实际上，引入两个光硬件限幅器同样可以减小系统中的其他噪声：APD光电检测过程中的散粒噪声、暗电流噪声、背景光影响、消光比影响及热噪声。
- Her sublimate future husband will be tall, dark, and handsome. 她理想化的未来丈夫将是身材高大，皮肤浅黑，相貌英俊。
