查询词典 noise-power-ratio

The effect of cavitation noise radiated from ultrasonic cleaning tank on learning and memory in rats is studied.

探讨了超声清洗空化噪声对大白鼠学习记忆能力的影响。

Any outside voices on the fetus is noise, the impact of cell division is not to say it is good or bad.

任何外界的声音对胎儿来说都是噪音，对细胞分裂的影响都不好说是好是坏。

In the cell wall with the outside world and set up barriers on roads to increase green space green, you can play the role of noise.

在细胞壁与外部世界和设置障碍的道路上，增加绿色空间，绿色的，你可以发挥的噪音。

According to the report,There are twelve ghosts in the village,including a road robber,a ghost cenobite,a half-appending corpse and a ghost which appeared and made noise in a local bar

据称，该村庄至少有12个"鬼"，其中包括一个路盗，一个幽灵修道士，一具校长的半悬尸体，以及一个在当地一家酒吧出没的吵闹鬼。

It is the beginning of the playoff games for the state championship of high schools. For the next six weeks this will be THE main subject of conversation and THE main center of attraction. The media will cover every step of the weekly ritual of noise, fun and passion.

这是德克萨斯州高中橄榄球赛的最后决赛，在接下来六个星期中，这将是人们交谈和注意力的焦点，媒体将报道为期一周的喧闹、娱乐和激情的每一步。

This thesis has discussed the theory of measuring distance in ultrasonic, which include ultrasonic shaking transmit velocity, central frequency, angle of launch control, measure distance, dynamic measure and so on. According to character of wave shape output by circuit, this thesis has designed an efficient way to diminish noise that enables precision of the ultrasonic sensor to 0.2%.

论文详细论述了超声波测距的基本理论，包括超声波震动传播速度、中心频率、发射角控制、发射能量、检测距离、动态检测等；并根据电路输出波形特征设计了有效的降噪方法，使超声波传感器的精度达到了0.2%，然后对降噪后的信号进行了标定。

The noise level must be measured at a distance of 3m (3 metre) while the helicopter is hovering with the skids/landing gear at 2m over the centre of a 2m diameter circle.

测量噪音水平必须在比赛开始之前，最好在当天的官方做法，噪音必须加以测量，在距离为 3米（3metre），而直升机悬停於2米直径的圆圈上方，高度为2米。

Measurement of noise and other performance parameters for two kinds of centrifugal fan is made.

最后分别对两种蜗壳的风机进行了噪声和其它性能参数的测量。

It offers noise reduction, face detection, automatic estimation of channel width and its own video codec.

该软件提供噪音降低、表情侦测、自动化频宽预算以及自身拥有的视频解码器。

The paper introduces relation between wavelet transform and Lipschitz exponent and analyzes characteristic of signal and noise under wavelet analysis. Threshold de-noising method is introduced mostly at last.

其次，在陀螺漂移信号小波基选取的基础上，系统地将bior双正交小波应用到陀螺仪信号处理中，得到了较好的去噪效果。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。