查询词典 noise-power-ratio

The speed also affects combustion noise through variation of advance angle.

推迟供油提前角可以显著降低噪声。2、燃烧系统多参数分析2.1、喷孔数目在喷油压力不变时，减少喷油孔数量，可使促进燃油雾化，使着火延迟期缩短，因而有助于降低压力升高比，汽缸压力频谱线也相应降低，尤其是中、高频成分降的更多些。

The kinetic characteristics of the wide angle seismic signal and the effect of the wide angle reflection for noise have been analyzed by the forward theoretical model.

利用正演理论模型分析了广角地震信号的运动学特徵以及噪声对广角反射的影响。

The effects of small angle rotation of texture images and noise to the parameterestimation of Gauss-MRF model are researched.

研究了工件表面纹理图像的小角度旋转和噪声对高斯马尔可夫随机场模型的参数估计的影响，数据分析表明高斯马尔可夫随机场模型所估计的参数对于小角度的旋转纹理具有不变性。

By correcting noise variance matrix of system state of constant turn model wit h maneuvering frequency coefficient and angular accelerˉ ation variance, the turning model set with different angular was d esigned, the model probability matrix was given. An interactive multiple model algorithms with adaptiveˉturning model w ere built.

通过机动频率系数和角加速度方差修正常速转弯模型的系统状态噪声方差矩阵，设计了不同角速率的转弯模型集，给出了相应模型的状态转移概率，建立了一种自适应转弯模型的交互多模型算法。

Angular noise correlation time has great influence on the linewidth in the intensity spectrum.

标 签 泛函导数定态强度分布一级相变类比瞬态解本征值 functional derivation steady-state intensity distribution first-order-like phase transition instantaneous solution eigenvalue

It absorbs the axial.radial and angular displacement and also a vibration and noise isolating device.

它通过波纹管的柔性变形来吸收管线的轴向、径向和角向位移，同时也能起到隔振降噪效果。

Simulation results show that the proposed adaptive anisotropic filter has a strong noise suppression and preserve edges.

仿真实验表明，提出的自适应各向异性滤波器具有很强的噪声抑制和边缘保持能力。

He used to annoy the noise outside, but he was used to it now.

他过去常常讨厌外面的噪音，但是现在他已经习惯了。

Rise as the noise of ding of 2010 New Year, our annual ring turns into 10 years new --, 90 hind begin to gradually enter 20 years old, and 80 hind will greet in succession.

随着2010新年钟声的响起，我们的年轮转入了一个新的十年---90后开始渐次进入20岁，而80后将陆续迎来30岁。

In view of above condition, this article carries on the smooth noise reduction to the actual gathered annual ring image with the use of computer imagery processing method.

针对以上情况，本文探讨了利用计算机图像处理的几种方法，对实际采集的年轮图像进行直方图修改、平滑滤波、二值化处理等处理，使处理后的图像在应用到WinDENDRO分析系统时，能快速准确的计算出年轮个数、宽度值等参数，为后续树木生长分析提供精确的数据，解决人工操作费时费力和错漏等问题。

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。