noise的例句大全

The background noise level of this instrument under the condition of conducted disturbance and disturbance power test is provided.

讨论了监测待测物使用工况的必要性，给出了电流参量测试仪的传导骚扰和骚扰功率的背景骚扰电平。

Thus as the signal level drops, the higher frequencies are progressively more strongly filtered, which also filters the constant background noise level.

也就是说随着信号等级降低，高频声音越来越多被过滤，静态的背景噪音也被过滤。

Sleep experiments were done in 6 subjects under 3 conditions. ( 1) Quiet, background noise level lower than 45dB ( A);

为探讨在噪声环境中的睡眠防护问题，设计了三种状态的睡眠实验：（1）安静状态，背景噪声低于45dB（A）；

The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.

声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。

The gravity observation residuals and station background noise level are also investigated.

文章还研究了重力观测残差和台站背景噪声水平。

This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.

文章重点介绍在机械通风和不影响建筑隔声实验室原有的实验功能与结构的前提下如何对建筑隔声实验室进行改造以获得背景噪声低于15dB（A）的混响场实验环境。

Monitoring capacity of station ( station network) not only depends on instrument performance, but also is related with background noise level of station base.

台站（台网）的监测能力不仅取决于仪器的性能，而且还与台基的噪声背景有关。

Conventional methods cannot work well in the condition of low SNR or at a variable background noise level.

常规的检测算法在低信噪比尤其在背景噪声能量可变的环境下不能有效工作。

According to these, we finally establish mathematical models of HVS noise threshold and IQS based on CCIR five-point quality scale.

在此基础上，建立了基于CCIR五级质量标准的HVS噪声阈值数学模型和IQS数学模型。

In particular the median filter can reduce impulse noise.

另外,中值滤波可以有效抑制脉冲干扰.

An event; a thing that happens or appears, for example, an occurrence of impulse noise.

一种事件, 或发生或出现的一件事情, 例如, 脉冲噪声的出现.

The wavelet coefficients related to noise and edges and the coefficients associated to homogeneous regions are differentiated.

该方法将与噪声和边缘相关的小波系数和与同性区域相关的小波系数区别对待。

According to the characters of CBCT image, we proposed the noise variance estimation formula.

根据CBCT图像的特点，提出了适合CBCT图像的噪声方差估计公式，使其更适合CBCT图像噪声的去噪。

The conclusion was verified by simulation signals with different noise intensity and rolling bearing's defect vibration signal. Analysis shows that the proposed method is more effective than direct modulation or time delayed autocorrelation demodulation in denoising or clarifying modulation information.

不同噪声强度仿真数据和滚动轴承故障振动信号实验数据分析表明，该方法比直接解调或仅采用时延相关解调更能有效抑制噪声，凸现信号调制信息。

Supermode depression was realized by introducing additive pulse limiting effect using self phase modulation induced spectral spreading in dispersion shifted fiber and spectral bandpass filtering simultaneously. Supermode noise can be depressed enough when the pump power was 50 mW.

利用自相位调制+频谱滤波抑制超模噪音，实验中当抽运功率在50mW以上时就足可以抑制超模噪音。

The noise drummed in my ears.

声音在我耳边轰呜.

A sophisticated deflector between quadrupole rod and electron multiplier can efficiently deflect ion beam and reduce the noise to minimum level.

四极杆和电子倍增器之间的偏转板能有效地使离子束偏转，并使噪声最低，最小可检分压强低于5×10-~（11）Pa。

I let my breath out with a loud noise.

我大声地吁了一口气.

Noise and laughter announced the presence of the guests.

喧笑声说明有客人在.

It's a constant buzz constant noise you have to deal with.

这是一种你必须经常应付的嗡鸣噪音.