查询词典 noise

The low noise road surface have high void rate, its advantage is reduce city noise.

低噪声路面，是在城市的普通沥青路面或水泥混凝土路面或其它路面结构层上铺筑一层具有很高空隙率的沥青混合料。

Through combining background noise and measuring environment study,the effects of background noise,surface absorption of the source in different environments as well as the difference between sound intensity measurement and sound pressure measurement are emphasized.

主要将背景噪声与测量环境结合起来，研究背景噪声、声源表面吸收在不同环境中的影响，还对声强法与声压法的差别作了比较。

White noise deconvolution or input white noise estimation problem has important application background in oil seismic exploration.

白噪声反卷积或输入白噪声估计问题在石油地震勘探中有重要的应用背景。

Time courses of signal-to-noise ratio and contrast-to-noise ratio were analyzed.

分析信噪比和对比噪声比的时程。

It is the relationship of the true signal to the noise signal, known as the signal-to-noise ratio, which is of most interest to the communication engineer.

这是关系的真实信号，噪声信号，为信号与噪声的比例，这是最感兴趣的通信工程师。

This paper divides general noise eliminations into four groups by the characters of noise in the reflection seismic exploration, analyses their merits and demerits and compared methods with others.

本文从反射法地震勘探中噪声的特性出发，将常用的去噪方法分为四类，分析了它们的优点和局限性，并且对不同的处理方法进行了简单的比较，介绍了他们的应用领域。

To gain lower phase noise of local oscillator, the design work of circuit is carried out based on the analyse of the key factors that affect the phase noise level.

为获得更低的相位噪声，在对影响本振相噪关键因素分析的基础上进行电路的设计。

The noise pollution survey revealed a rather surprising and possibly amusing oldfashioned source of noise.

这个有关噪声污染的调查还揭示了一种出人意外而同时可能会引人发笑的老式噪音源。

In the present study, CHL cells were cultured routinely in MEM medium for 3 days. Then the cells were treated with sham exposure , 0.4mT 50 Hz sinusoidal MF , 0.4mT noise MF and the combined noise and 50Hz MF for 3 min and 15min, respectively. After exposure, the cells were lysed, and the proteins were extracted.

实验中，将中国仓鼠肺成纤维细胞分别经0.4mT工频磁场、等强度的噪声磁场、工频磁场与噪声磁场的复合磁场辐照及假辐照处理3min和15min后，裂解细胞，提取细胞蛋白质，以Western印迹技术，测定并比较细胞内SAPK磷酸化的变化。

On the basis of characteristics of the electric circuit, theoretical analysis has been given about noise and bandwidth of the PMT preamplifier circuit, and theoretical formulas for noise and bandwidth have also been presented in this paper.

根据所研制电路的特点，论文还对光电倍增管前置放大电路的噪声和带宽进行了理论分析，给出了噪声和带宽的理论计算公式。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。