查询词典 noise-power-ratio

It is concluded that the noise near 500 Hz has less sthenic effect on the sympathetic nerve than those of the other noise frequencies.

通过对R-R间期的心率变异分析得知，在500Hz附近的噪声使交感神经的兴奋程度小于其他频率的噪声影响。

At high r/min, flow speed is high, the friction noise dominates tailpipe noise.

在高转速阶段，气流速度也比较高，这时气流摩擦噪声决定尾管噪声。

They integrate additive noise and temporally correlated information of sources to reduce noise and separate source signals.

把系统噪声的统计特性和源信号的时间相关信息综合考虑，既能有效地减少噪声的影响，又能分离出源信号。

In testing, the TCM can improve the Signal-to-Noise by 3.3dB compared with uncoded 4-VSB modulation, and with the 12 path intrasegment interleaving in TCM coding and Viterbi decoding, system can control short burst noise error efficiently.

本文在介绍ASIC芯片设计的基础上，着重介绍了信道编码中的内码的ASIC实现和性能分析。

There is much noise in the state of eyes opening unforcedly, so the noise processing is necessary, the upper and lower eyelids are removed by parabola fitting, the facular is removed by neighboring gray average, the eyelashes are removed by finding all the candidate eyelashes by local gray minimum firstly, then the false eyelashes are removed by the beginning location, directional and length information of the eyelashes.

在人眼自然睁开状态下存在噪声，因此需要进行去噪操作：通过抛物线拟合的方法去除上、下眼睑；利用邻域灰度均值法去除光斑；去除眼睫毛时先用局部灰度极小值的方法找到所有候选眼睫毛点，然后利用眼睫毛的起始信息、方向信息和长度信息去除伪眼睫毛点。

You can see that the smooth noise is flatter, never reaching the extremes of unsmoothed noise, and the frequency appears to be roughly half.

你可以看见平滑函数，从来都没有到底那个未平滑函数的极限值，并且频率显得只有大约一半。

This study has achieved the following purposes,observed effects of different levels of noise exposure on the auditory function and the hearing organ of guinea pigs,explored optimal noise exposure profiles for research of NIHL susceptibility,established NIHL susceptibility model,148 differentially expressed genes of cochlea between NIHL susceptible and unsusceptible guinea pigs were screened by using suppression subtractive hybridization.The results of bioinformatics analysis showed that there are 34 sequences whose homology were larger than 80% and match sequence larger than 100 bp.

本研究观察了不同噪声暴露量对豚鼠听觉功能和听觉器官结构的影响，探讨了NIHL易感性研究的最佳噪声暴露方案，建立了NIHL易感豚鼠模型，利用抑制性消减杂交技术筛选NIHL易感与不易感豚鼠耳蜗的差异表达基因片段148条，生物信息学结果显示同源性大于80%且匹配碱基大于100 bp的片段共34条。

The noise in project is mainly produced by centrifugal, water pump, air-conditions, boiler fan and suchlike, the value of noise is between 80dB and

最后，对项目所排放的废液、固体废弃物一定要做好污染防治措施，杜绝泄露事故发生，则该项目在该地区建设不会对环境造成影响。

In order to resist the noise data, Variable Precision Rough Set Theory was proposed. In this paper, the Variable Precision Rough Set Theory is applied to judge the development degree of a region. It can resist the interference of the noise and get simple rules, but does not change the ability of assorting.

为了提高在实际应用中对噪音数据的适应能力，Ziarkio提出了可变精度粗集理论，本文把可变精度粗集理论应用在一个判断地区综合发展程度的系统，实现了抗噪音的干扰，同时也大大简化了原始数据集。

Based on Remington's wheel-rail noise prediction model and the analysis of vibration property of wheel-rail system, considering rail as moving linear radiator of sound and wheel as moving point radiator of sound, the wayside rolling noise of ballasted track is predicted.

利用Remington的轮轨噪声分析模型，结合我国车轮和钢轨的振动特性，将钢轨视为移动线声源，车轮视为移动点声源，对有碴轨道路旁辐射的滚动噪声进行预测。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。