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1)  correlated double sampling
相关双次采样
1.
Using standard CMOS process,signal processing circuits are integrated on the same substrate as the sensors and correlated double sampling(CDS) operation is realized inside pixel.
这个新型的追踪器运用CMOS有源像素传感器技术(CMOS Monolithic Active Pixel Sensors,MAPS)将信号的探测与处理电路集成在一起,在像素的内部实现了相关双次采样操作(Correlated Doubled Sampling,CDS)。
2.
The correlated double sampling circuits are realized in the inner system,the circuits can effectively reduce fixed pattern noise.
在系统的内部实现了相关双次采样电路,有效地抑制了固定噪声。
2)  Correlated Double Sampling(CDS)
相关双采样
1.
Suppressing the noise effectively—the correlated double sampling(CDS) technique is introduced.
针对时间延时积分电荷耦合器件的视频处理电路,介绍了一种有效抑制噪声的技术——相关双采样技术;讨论了相关双采样技术的工作原理及其对时间延时积分电荷耦合器件读出噪声的滤除作用。
2.
The theory of suppressing these types of noise in CIS was described byusing correlated double sampling(CDS), and the timing relationship between driving signals CP/SP that CIS required and sampling-holding signals SH1/SH2 was also analyzed, these signalswere produced by using complex programmable logic device(CPLD).
介绍了接触式图像传感器(CIS)的简要原理和存在的噪声类型,阐述了用相关双采样来消除这些噪声的机理,分析了CIS要求的驱动信号CP、SP和采样保持信号SH1、SH2之间的时序关系,并用复杂可编程逻辑器件(CPLD)来产生这几个信号。
3.
A noise model of TDICCD camera system was developed,the generated mechanism of read reset noise of TDICCD video signal was analyzed and the principle of Correlated Double Sampling(CDS) technique for high S/N(signal to noise ratio) and excellent imaging of TDICCD camera were discussed also.
建立了TDICCD相机系统的噪声模型,分析了TDICCD视频信号读出复位噪声的产生机理,讨论了相关双采样技术的工作原理;给出了TDICCD相机视频处理电路各个组成部分的设计,并进行了分析。
3)  CDS
相关双采样
1.
In this paper, a novel CMOS correlated double sampling (CDS) structure for focal plane array (FPA) is proposed.
提出了一种应用于红外焦平面阵列的新结构相关双采样保持电路。
2.
CDS is a widespread noise reduction method for discrete-time output signal.
在读出电路中,相关双采样(CDS)技术是目前应用最为成功的噪声抑制技术。
3.
A improved CMOS correlated double sampling (CDS) structure for the readout circuit of infrared focus plane array is presented.
介绍了一种改进的红外焦平面CMOS读出电路相关双采样结构,它结构简单,面积小,功耗小,时间利用率高。
4)  correlated double sampling
相关双采样
1.
The operating principle of photodetector readout circuit(ROIC) based on capacitive transimpedance amplifiers(CTIA) and correlated double sampling(CDS) is presented in this paper.
基于电容反馈互导放大器和相关双采样结构的读出电路原理,分析了电路中控制信号的时序关系,设计了参数可调的时序控制电路。
2.
The circuit is divided into full bridge module, charge sense amplifier module, correlated double sampling and holding module, closed-loop feedback module, low-pass filter and time controlling module.
检测电路分为全桥平衡模块、电荷放大器模块、信号放大模块、相关双采样模块、采样保持模块、闭环反馈模块、低通滤波模块和数字时序控制模块。
3.
Conventional readout techniques would bring new noises since the readout part of its correlated double sampling(CDS) circuit composed of many analog components, although it could effectively reduce readout noise.
传统的CCD探测器信号读出部分都采用由模拟器件构成的相关双采样(Correlated Double Sampling,简称CDS)电路,这种方法已被证实能够有效抑制探测器噪声,但与此同时,由于CDS电路本身比较复杂,引入了新的噪声,它成为进一步减小读出噪声的一个屏障。
5)  couple double sample
相关双采样
1.
A kind of binarization method with variational threshold is presented,which adopted couple double sample and D/A transformation.
根据CCD的工作原理分析了线阵CCD的像元细分技术,提出了一种基于相关双采样和D/A转换的变阈值二值化方法,结合此方法给出了一种积分时间自动调整的变阈值二值化细分电路。
6)  correlated couple sampling
相关双采样
1.
This paper introduces confocal microscopy and correlated couple sampling, analyzes its imaging principles and key point of technology.
详细分析了共焦显微镜和CCD相关双采样图像处理关键技术在本系统中的应用,结果表明CCD图像的质量明显提高,从而提高了视频图像对准系统的精度,完全满足系统分辨精度2。
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性质:在自然界或人类社会中,如果变量之间具有相随变动的关系,则称变量之间相关。变量之间相关随变动的数量关系,分为函数关系与统计关系两类,前者表示变量之间数量上的确定性关系,即一个或一组变量在数量上的变化通过函数式所规定的数学等式可完全确定另一个变量在数量上的变化;后者表示变量之间的相随变动的某种数量的统计规律性,一个变量只是大体上按照某种趋势随另一个或一组变量而变化,是在进行了大量的观测或试验以后建立起来的一种经验关系。

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