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

• 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。
• 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。
• 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。
• It is concluded that the RD-PCR is a potential and useful sample labeling method with lower background signal intensities for studying high-density long oligonucleotide microarray.
  RD标记方法是一种有用的低背景信号的高密度长链寡核苷酸芯片样本标记方法。
• Weak Signal Detection and Extraction from Chaos Background Signal
  混沌背景中的弱信号检测和提取
• This method uses the radial basis function neural networks ( RBFNN) to build one-step predictive model for chaotic background signal contaminated by observed noise, and combines the frequency way to process predictive error to detect the weak sinusoidal signal.
  该方法利用RBF神经网络对被噪声污染的混沌背景建立最优一步预测模型，结合频域处理的方法从预测误差中提取微弱正弦信号。
• Research and Design of Communication Dynamic Background Signal Generation System
  通信动态背景信号生成系统的研究与设计
• 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。
• Owing to the eliminating of the background signal compared with traditional signal-on electrochemical sensors by the introduction of the Y junction structure, the present platform could significantly low the detection limits and enhance the selectivity.
  与传统的signal-on传感器相比，本传感器由于Y型结构DNA的引入，提高了选择性，消除了背景电流，显著降低了检测限。
• After that, using the SR algorism we will detect the reverberation background signal and the result show that the detector is available.
  之后，利用随机共振的数值计算方法对以混响为背景干扰的信号进行检测，其结果显示随机共振系统检测器检测出了信号正确的位置。