background signal

英 [ˈbækɡraʊnd ˈsɪɡnəl]

美 [ˈbækɡraʊnd ˈsɪɡnəl]

本底信号, 背景信号

英英释义

noun

• extraneous signals that can be confused with the phenomenon to be observed or measured
  1. they got a bad connection and could hardly hear one another over the background signals
  Synonym:background

双语例句

• The background signal of ozone is basically eliminated by application of modified multi-group ozone generators and serial gas line.
  使用改进的多组臭氧发光器和串行气路基本上消除了臭氧本底信号；
• In this strategy, peptide probe was conjugated to the surface of graphene oxide by covalently crosslinking method to reduce the background signal.
  这种生物传感技术利用共价交联的方法，将多肽信号探针固定到氧化石墨烯的表面，达到降低背景荧光的目的。
• In these methods, we use the optimum Wiener filtering and Window filtering deconvolution technique to process the background conductivity signal.
  包括了最佳维纳滤波反褶积与窗函数滤波反褶积对于背景电导率信号还原的处理方法。
• The method for detecting telomerase activity has the advantages of high sensitivity, simple operation and the background signal is low, not prone to false negative results etc.3.
  该方法对端粒酶活性的检测具有灵敏度高、操作简单和背景信号低，不易出现假阴性结果等优点。
• On the Chaotic and Fractal Behavior of Background Signal during Submarine Detection with an Airborne Lidar
  激光雷达探潜背景信号的混沌和分形行为研究
• 16 cases with osteosarcoma were performed coronal or sagittal msh-EPI-DWI with b value 600s/ mm2. The background signal was suppressed with SPIR. The ADC values of neoplastic solid parts, necrotic parts and neoplastic bone parts were measured respectively. Statistic analysis was performed. 3.
  对16名骨肉瘤患者行冠状位或矢状位msh-EPI-DWI扫描，b值取600s/mm2，应用SPIR抑制背景信号，分别测量其肿瘤实质区、坏死区及肿瘤骨的ADC值，并作统计学分析。
• Principle and application of Diffusion Weighted Whole Body Imaging with Background Body Signal Suppression
  背景信号抑制全身扩散加权成像技术的原理及应用
• The factor effect on CIE coordinates error is analyzed, system error caused by standard source transfer is argued and the background signal subtraction method is brought forward. The repeatability error caused by random noise is also analyzed.
  对影响色坐标的各项因素进行了误差分析，分析了标准传递带来的系统误差和基线扣除方法，分析了随机噪声带来的重复性误差。
• Depth Profile from the P/ B Ratio and the Dependence of the Background Signal on Binding Energy of X-ray Photoelectron
  从光电子谱的峰背比及背景信号变化获得成分深度分布信息
• This paper analyzes background signal and according to characteristic of back-ground signal, provides a scheme of choosing every parameter value in algorithm and a new updating algorithm of background model.
  本文对背景信号进行了分析，根据背景信号的特点，给出了背景更新算法中各参数值的选取方案，并提出了一种新的背景模型更新算法。