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
- they got a bad connection and could hardly hear one another over the background signals
双语例句
- 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。 - 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。 - 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。 - 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。 - 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 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 - 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。 - 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。 - We realized that the background signal of O3 is intrinsic and stable.
通过实验研究了解到了O3本底的固有存在和O3本底是具有稳定性的结论。
