photon noise
英 [ˈfəʊtɒn nɔɪz]
美 [ˈfoʊtɑːn nɔɪz]
网络 光子噪声; 光子噪音
双语例句
- Then the influence on the average power spectrum and bispectrum of specklegrams caused by the photon noise, additive noise and more complex noises of other kinds in the detecting system.
介绍了所用的二维光子计数斑点像探测系统的性能，分析了探测系统的光子噪声、附加噪声和其它更复杂的噪声对斑点图的平均功率谱和重谱的影响。 - To explain this phenomenon, a theory in which the distance resolution of3D active imaging systems is determined by both the photon shot noise and the subinterval width is developed.
为了解释这个现象我们提出一个新理论，在该理论中由散粒噪声和子区间宽度共同决定距离分辨率。 - Findings indicate that the photon shot noise primarily determines the SNR.
分析结果表明光子散粒噪声决定了系统的信噪比。 - A study on the influence of photon noise on the photographic granularity by a Monte Carlo computer simulation technique
用MonteCarlo计算机模拟法探讨光子噪声对照相颗粒度的影响 - When the signal is very strong, the photon noise predominates, signal to noise ratio is not directly proportional to signal level, and care must be exercised in deriving NEP and D from signal to noise ratio.
当信号很强时，光子噪声占主导地位，信噪比（SNR）与信号水平不成正比，此时由信噪比导出噪声等效功率（NEP）和D时应格外小心。 - The ratio of signal to noise for single photon resolution time spectrometer and their influence factors were studied. A method to depress the background, to shorten the measurement time and to increase the ratio of signal to noise was discussed.
研究了单光子分辨时间谱仪的信噪比和影响信噪比的因素，探讨了降低本底干扰、提高探测效率和信噪比的方法。 - Since the downward conversion photon pairs have strong correlation in time, they can be used for noise-free optical communication.
由于下转换光子对具有很强的时间相关性，可用来进行无噪声的光通讯。 - Results show that a two component photon counting histogram can effectively remove the effects due to background autofluorescence from low brightness and high concentration components and uniform noise.
结果表明，利用双组分光子计数统计方法，可以有效去除低亮度、高浓度背景组分自荧光和均匀分布系统噪声产生的影响。 - The analyses on opto-electric detection ability limited by ccd's photon noise
受限于CCD光子噪声的探测能力分析 - Oscillations in photon number distribution of even or odd coherent states with thermal noise
奇、偶相干热态中的振荡光子数分布 - The convergence property of multiframe blind deconvolution applied to improve the resolution of astronomical images is influenced by initial object estimate, constraint conditions and photon noise.
天文图像多帧盲反卷积的收敛性受到初始目标、约束条件和光子噪声等因素的影响。 - In order to apply deeply microscopy photon count imaging system to microcosmic field, noise is the first problem to be solved.
显微光子计数成像系统是极其灵敏的弱光探测成像系统，为使其应用进一步深入微观领域，噪声问题是首先要解决的难题。 - Based on analysis of the principle of the generation of photon pairs by means of four-wave-mixing in optical fiber, main factors influencing noise generation of photon pairs have been presented.
在分析基于光纤中四波混频效应产生光子对原理的基础上，指出了影响光子对产生噪声的主要因素。 - In optical heterodyne detection, the signal photon noise is a dominant factor reducing sensitivity.
在相干探测中，信号光子噪声将是限制灵敏度的主要因素。 - The difference of two systems is that the microscopic photon counting image system is a noise limited system.
二者的区别在于显微光子计数成像系统是噪声受限系统。 - LF1 LRF is a photon Radar system, the optimum design of the system has been discussed according to the photon measurement distance equation, the configuration of system, signal noise ratio.
LF1激光测距仪是一种光子雷达系统。本文从光子测距方程、系统结构、信噪比分析角度，讨论了系统的优化设计。 - Readout noise, photon shot noise and random noise caused by photoresponse nonuniformity, and the preceding two are the main factors which affect star sensor accuracy.
影响星敏感器星点定位精度的主要噪声是读出噪声和光子散粒噪声； - Intracavity and Output Squeezing of Photon Noise in Driven Multi photon Lasers
光抽运多光子激光的腔内和输出光子噪声压缩 - Two ─ photon Absorption and Gain Noise
双光子吸收效应与增益噪声 - Photon noise limited D~ for low temperature backgrounds and long wavelengths
低温背景及长波情况下光子噪声限制的D - An Experimental Study on Photon Noise Limited Wavefront Sensor
光子噪声受限的波前传感器的实验研究 - Compared with the visible single-photon detectors based on Si-avalanch photodiodes ( APDs), however, the current infrared photon counters based on InGaAs APDs are just passable, especially in quantum efficiency, working repetition rate and background noise.
然而现今的铟镓砷雪崩光电二极管红外单光子探测器性能却差强人意，其探测效率、工作速率和背景噪声等指标与硅雪崩光电二极管可见光单光子探测器相比具有相当大的差距。 - Based on the frequency approximately de-correlated photon pairs, a heralded single photon source with low noise and approximate single-mode characteristics is demonstrated.
利用所获得的频率近似不相关关联光子对，制备了一种具有低噪声特征的近单模宣布式单光子源。 - In further research, we achieved the pulse height distribution ( PHD) of PMT by using photon counting method. PHD fully indicated the amplitude relationship between noise and optical signal, which is of important value to realize high precision single photon detection.
进一步应用光子计数方法获得了PMT的脉冲高度分布图（PHD），比较全面地揭示出噪声和光信号的幅度关系，对实现高精密的单光子探测具有重要的参考价值。 - This dissertation analyzes theoretical subjects, such as: the way of photon migration and its relationship with deviation and noise of image, which closely concern with imaging quality of OCT. Quantitative or qualitative conclusions are given.
本文对与OCT成像质量相关的光子传输规律及其与图像误差和噪声的关系等理论问题进行了深入分析，力求用简洁的数学语言给出定量结论。 - In the broad-band dynamic model, the material gain profile, the longitudinal variation of the optical field, the carrier density, photon density, and the broad-band spontaneous noise emission are considered in the model.
在宽带理论模型中，考虑了SOA的材料增益谱、光场纵向空间分布、载流子空间分布和宽带ASE谱等。 - We analyzed the theoretical models for signal photon noise, pixelation noise, and background noise. With simulation and experiments, we evaluated the accuracy and applicability of current models for calculating localization precision.
分析了信号的散粒噪声、像素化噪声和背景噪声的理论模型，并通过仿真和实验，对现有理论模型的准确性和适用范围进行评估。