1) shot noise
散弹噪声
1.
shot noise, 1/f noise, thermal noise and background noise in system etc.
各种电子元器件，光电转换器件存在着各种各样的噪声，如散弹噪声、１／ｆ噪声、热噪声在系统中还存在背景噪声等等。
2) ground bounce noise
地弹噪声
1.
The methods refer to optimizing the power supply circuit,controlling the ground bounce noise and meliorating the electromag- netic condition of ADC & DAC circuit.
针对高速、高精度数字系统对电磁兼容性的严格要求,分析了系统电源、地的重要性以及影响高速模数转换器(ADC)和数模转换器(DAC)电路性能的主要因素;在设计印刷电路板时,采用隔离数字部分与模拟部分、抑制地弹噪声等方法优化系统电源,通过改善ABC、DAC电路的供电方式、优化采样时钟和高速数字信号线来提高系统抗电磁干扰的能力;并比较了一个失败案例和一个成功案例,后者较前者带外抑制指标提高约15dB,表明采用所述方法可以有效改善数字系统的电磁兼容性。
3) shot noise
散粒噪声
1.
Monte Carlo simulation of shot noise in the coherent and mesoscopic system;
相干介观系统中散粒噪声的Monte Carlo模拟方法研究
2.
Luttinger parameter of carbon nanotubes investigated by shot noise experiment;
用散粒噪声测量碳纳米管中Luttinger参数
3.
Effects of quantum interference on differential conductance and shot noise in ferromagnet-insulator-ferromagnet-d-wave superconductor junctions ;
铁磁-绝缘层-铁磁-d波超导结中的量子干涉效应对微分电导与散粒噪声的影响
4) Shot noise
散点噪声
1.
Besides,positive shot noise in the image is reduced,which significantly improves the quality of the image.
实验表明,改进后的系统除了获得良好的空间分辨率和检测灵敏度之外,还降低了正向散点噪声对图像的干扰,系统的成像质量得到明显提高。
5) speckle noise
散斑噪声
1.
Speckle compressing algorithm of preserving the geometrical features and suppressing speckle noise in images;
一种保持几何形状的散斑噪声压缩算法
2.
Comparison and discussion about Lee althorithm and wavelet threshold althorithm using speckle noise reduction;
抑制散斑噪声的Lee算法和小波阈值算法讨论及其比较
3.
By applying multi-scale principle of wavelet transform and curvelet transform,the zero-order diffraction spot is eliminated,and the speckle noise is reduced effectively while more edge information of object is maintained.
利用小波变换和Curvelet变换的多尺度处理,成功滤除再现像中的零级衍射光斑,有效减小散斑噪声的影响并保留更多物像边缘信息,得到较高质量的数字全息再现像。
6) scattering noise
散射噪声
1.
In this paper the effects of scattering noise on input images for holographic storage in photorefractive lithium niobate crystals have been investigated in detail by means of measurements of loss of signal to noise ratio (LSNR).
采用信噪比损失系数 (LSNR)深入研究了光折变铌酸锂晶体中散射噪声对全息输入图像像质的影响。
2.
By use of the narrow laser beam,the scattering noise and the particle size of the recording materials can be measured.
本文指出全息记录材料可看作一散射物体，当激光束通过它后形成散射光，对全息再现象来说，它就是散射噪声，利用细激光束很容易测量出散射噪声和记录材料中散射颗粒的大小，后者对干板的鉴别率起着决定性的作用，而鉴别率不够，将会导至全息记录的彻底失败。
3.
Experimental results show that nonvolatile holographic recording can suppress scattering noise.
双掺杂LiNbO3非挥发全息记录实验表明,非挥发全息记录对相干散射噪声有很好的压制作用。
补充资料：散弹
1.散淡;浪荡。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条