背景光

基于子块集成神经网络法的PSD背景光补偿

Background Light Compensation of PSD on Sub-block Integration Neural Network Method

一维PSD背景光补偿的研究

Study on background light compensation of one-dimension PSD

该防炫目系统是基于CCD光电图像检测处理技术的基础之上，实现在强背景光下精确提取目标图像并实时显示。

The anti-dazzling system was based on CCD photoelectric image detection processing , extracted the target image accurately and implemented real-time display .

对影响PSD光敏面上光点位置变化的背景光进行了分类，并且给出了消除方法。

The back light on the light-sensitive surface of the PSD is sorted and the method to erase it is discussed .

模型分析表明，绿背景光的作用使谷氨酸介导的前馈性通路和GABA介导的反馈性通路活动同时得以增强。

Model analysis showed that the activity of both glutamate and GABA related pathways were potentiated during green background illumination .

系统采用红色LED作为光源，选用背景光照射方式，在封闭的环境中通过CCD摄像机来获取单个静止鸭蛋的图像。

System uses a red LED as a light source , the choice of the way of background light irradiation to obtain a single static duck image by the CCD camera in a closed environment .

根据PSD的原理及特征方程，分析了存在背景光时PSD输出信号是非线性的。

Following the principle and feature equations of the PSD , it is found that the output signal of PSD is nonlinear when there exists background light .

二维位置敏感器件背景光消除的神经网络方法位置敏感器件（PSD）的杂光干扰研究

Study on Background Light Elimination of Two-dimension Position Sensitive Detectors Based on Neural Networks Light disturbance to position sensitive detectors & pattern and methods to overcome it

在玻璃衬底和ITO阳极之间溅射的光学干涉层可以部分消去背景光的反射。

The optical interference layers are deposited between the glass substrate and ITO ( indium tin oxide ) anode , which could partly suppress the reflection of ambient light .

本文将从人眼的视觉特性、发光亮度与背景光的关系以及亮度调节的方法等方面讨论LED可变情报板的亮度调节，并给出测试结果。

This paper will discuss brightness adjusting design for LED CMS from three different angles : visual characteristics of eyes , the relationship between luminescence brightness and environmental brightness and the ways of brightness adjusting , and give final testing results .

提出一种基于神经网络高精度线性化子块网络集成插值实现光电位置敏感器件（PSD）背景光非线性补偿方法。

A method for nonlinear compensation of background light voltage of position sensitive detector ( PSD ) based on neural network high accuracy linearization sub-block network integration interpolation is presented .

该通信系统还受背景光、雪崩光电二极管（APD）增益和调制消光比等因素的影响。

The results also show that the performance of this communication system can be affected by background optical , APD gain and modulation extinction ratio .

据此解决了PIN光电接收的抗强背景光饱和与抗背景光干扰的问题；

Whereby the saturation caused by strong background light and the interference caused by background light in the PIN receiving are solved , and a new method of compensation for bias voltage of some APD detector is put forward .

介绍了采用曝光时间小于10的高速CCD以及相应的图像卡成功实现白天强背景光下实时显示激光束的方法，该方法可以有效提高卫星激光测距的白天测距能力。

This paper presents a method for monitoring laser beam under the condition of intense lights by developing a CCD with a high speed , ultrashort exposure time . This method can improve the capability of Satellite Laser Ranging for Shanghai station in daylight .

采用雪崩光电二极管（APD）的WebbGaussian模型，对月地激光链路跟瞄误差和背景光对误码率的影响进行了理论分析和数值仿真。

The effects of the pointing error and background light in the lunar-earth laser link on the BER are analyzed by using Webb-Gaussian model of APD ( avalanche photodiode ) and are also simulated with computer .

结果显示，（1）尽管实现了Io和I在同一空间位置的测量，但是，它们仍给测量结果引入了测量误差，以背景光强度分布不均导致IOD的测量误差最大；

It is concluded that ( 1 ) the inhomogeneity of background light intensity results in the greatest IOD measurement errors and I o and I must be measured at the same local position ;

通过理论分析和实验，讨论了测试条件对PSD探测精度的影响，提出了克服干扰的措施，采用光学滤波和软件补偿相结合的方法基本消除了背景光的影响。

Through the analysis of theory and experiment , the author discusses the influence of testing condition on detection precision of PSD and brings anti-interference means forward . In combination with optics filtering , the software compensation method can basically eliminate the influence of background light .

结果在25，50cd／m2的背景光下，局部视网膜电图的基波振幅最大（x＝1.66±0.859），黄斑／视盘振幅比最小（r＝1.469）。

Results Under the light intensity of background were 25cd / m2 , 50cd / m2 , the amplitude of the basic wave of the focal electroretinogram was the largest , but the amplitude ratio of the macula and the optic disc was the least .

目的观察不同强度背景光照明下视网膜电图（electroretinogram，ERG）和振荡电位（Oscillatorypotentials，OPs）的变化，了解视网膜神经性调控机制对环境照明改变的反应。

Objective To study the response of the retinal neuronal adaptive system to changes of background illumination ( BG ) by measuring the oscillatory potentials ( OPs ) and the a - and b-waves of the electroretinogram ( ERG ) in different BG illuminations .

研究表明，LD测距系统中探测器偏压的变化只补偿温度变化，由此提出，在背景光照射较强时让背景噪声参与偏压调整从而抑制背景噪声的方案。

The study shows that the variation of a bias voltage of the detector of the pulse LD range system only compensates the variation of temperature , as a result , a scheme to restrain background noise by adding voltage adjustment with background noise in strong light is proposed .

由于钠原子滤光器极窄的滤光带宽和极强的带外抑制，使得即使在中午太阳背景光最强的时段，也能以光子计数方式探测到80～110km高空钠层的微弱回波信号。

Because of very narrow passband and very high out-of-band suppression of the Na atomic optical filter , the lidar echo at 80 ~ 110 km altitude can be obtained even in the noon-time when the background light from the sun is very strong .

背景光对图形视网膜电图空间调谐特性的影响

Effects of background lights on spatial tuning characteristics of pattern electroretinograms

背景光在局部视网膜电图中作用的研究

The study of background light effect to the focal electroretinogram

警告：使用电池电源时启用自动打开背景光功

Warning : Using auto on while on battery power will

非渗出性年龄相关性黄斑变性的黄背景光蓝闪光视网膜电图的观察

Abnormalities of blue-on-yellow flash ERG in non-exudative age-related macular degeneration

研究背景光动力学治疗是近年来兴起的治疗肿瘤的新技术。

The effect of photodynamic therapy in the treatment of breast cancers ;

磨粒图象背景光照不均匀分布图象预处理

The Pretreatment of Segmentation on Distributing Uneven Background Brightness of Wear Particle Image

目标与地物背景光散射特性建模

Modeling the Characteristics of Light Scattering from Target and Background on the Earth

背景光智能测试技术研究

Study on Measuring Background Light by Intelligent Technology

背景光对星地量子密钥分配量子误码率的影响

Influence of background light on quantum bit error rate in satellite-to-ground quantum key distribution