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 research on the Background Signal Simulator is based on the idea of the Soft Wireless.
  背景信号模拟器的研究参考了软件无线电的思想。
• Because of stronger background signal and noise signal in measured signal of rub impact fault between rotor and stator in rotor system, it is difficult to obtain precise diagnosis result when wavelet transform is used to diagnose this fault.
  由于在转子系统动静件碰摩故障测试信号中背景信号、噪声信号较强，使得在利用小波变换进行故障诊断时，难以得到准确的结果。
• The background signal of HF wave band achieves the expectant targets in the debugging of the signal electromagnetic environment simulator of the wireless communication system.
  在通信信号电磁环境模拟器的联调中，HF背景信号达到了各项预期指标。
• 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。
• 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；
• Evaluation of Two Different Sample Labeling Methods on Background Signal Intensities for 60 mer Oligonucleotide Microarrays
  两种标记方法对60mer寡核苷酸芯片背景信号影响的初步分析
• 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
• The following contents are included in this study: the mode of operation for scanning search and track, analysis for the characteristics of target and background signal, formation of scanning wave-shape, target recogni-tion and relevant signal processing.
  内容包括扫描搜索与跟踪的工作模式，目标、背景信号特征的分析，扫描波形的形成，目标识别和有关信号处理等的研究。
• 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
• By adding apyrase to the reaction solution, the background signal of the three-enzyme system were greatly reduced.
  通过向三酶系统的反应液中力加入apyrase（？）勺方法使背景信号大大降低。