也见声强度。
目的分析远洋测量船噪声强度对作业人员听力的影响。
Objective to explore the hearing changes in seamen exposed to oceangoing vessel noise.
本文中定义的噪声条件包括噪声强度及噪声分布密度两个因素。
The noise conditions defined by the paper include two factors:noise strength and noise distribution density.
因此,根据声接收器输出信号的声强度可判断生丝张力的大小。
Therefore, the raw silk tension can be determined by the sound intensity signal sent out by the sound receiver.
冠心病病人的右冠状动脉壁最低回声强度与其周围组织的差值最大。
The difference of minimum echo intensity of the right coronary wall in the coronary heart disease group was the biggest.
通过实验研究了巴克豪森噪声强度与铁磁材料表面硬度之间的关系。
The relationship between the surface hardness of ferromagnetic material and the intensity of Barkhausen noise was studied.
冠心病病人的右冠状动脉壁最低回声强度与其周围组织的差值最大。
The difference of minimum echo intensity of the right coronary wall in each group was compared with the peripheral tissue.
针对不同的声源采取有效的措施,可以降低噪声强度及噪声的传播。
Adequate measures taken pertinently to different sources of the noises will effectively decrease the noise level and retard the propagation of the noise waves.
目的对人体颈动脉内不同回声强度的粥样硬化斑块进行声学密度定量。
Objective To quantify the acoustic density of atherosclerosis plaques with different echogenicity in carotid artery.
噪声强度、激光振幅和频率协同作用,共同制约着生物系统的演化过程。
The noise strength, laser amplitude and laser frequency were cooperative interactions, which together controlled the behavior of the laser DNA interaction system.
与简单形状目标相比,复杂目标的回声强度随频率和距离的变化更为复杂。
By comparison with simple shape targets, the echo strength of the complex targets versus frequency and range is more complex.
简述目前钢球磨煤机普遍采用的隔声方式及其运行过程中释放噪声强度的现状。
This paper briefly describes the present situation of sound insulation ways universally adopted in steel ball coal mill and the noise intensity released during operation.
得到噪声关联时间对电流定态几率分布函数曲线的影响与噪声强度的影响相反。
Effect of the noise correlation time on the stationary probability distribution is opposite to the noise strength.
我们发现在感兴趣的频域内有较大的噪声,并且噪声强度依赖于偏置电流的大小。
We found that in the frequency range of interests, there is significant noise and it depends strongly on the level of the drive current as expected.
该软件分析精度高、易操作,可给出流噪声强度随航速变化的规律和功率谱等指标。
Which is high accuracy in analysis, easy to operate, and can express the rule that hydrodynamic noise intensity changed along with the speed. power spectrum and other factors.
目的超声图像上的颈动脉粥样硬化斑块回声强度是反映斑块组成与稳定性的重要内容。
Object The echogenicity of atherosclerotic carotid plaque in ultrasound image is an important reflection to its component and stability.
我们研究了基于递归分析的邻域半径参数的估计和基于噪声强度的邻域半径参数估计。
Two methods of how to choose neighborhood size parameters were discussed. The methods are based on recurrence plot and noise level estimation respectively.
试验结果表明,巴克·豪森噪声强度值mp与铁磁材料的硬度值之间存在单调的关系曲线。
Experimental results indicated that there is a monotonic relationship between the hardness of ferro magnetic materials and Barkhausen Noise strength, MP.
针对泥浆泵齿轮设计的各个基本参数进行了分析,得出了对齿轮噪声强度影响最大的参数。
The basic analysis is done for gear design to obtain parameters that greatly impacts on strength of gear noise.
对海军某舰的20个部位进行噪声强度测定,并对53名舰员(106耳)进行了听力调查。
The noise levels of 20 cabins and the hearing ability of 53 crewmen (106 ears)were measured.
最大限度地降低噪声强度,对于提高SDI- MWD无线随钻测量仪信号质量至关重要。
Reducing noise as much as possible is significant to improve signal quality of SDI-MWD.
诸因素中,噪声强度是主要因素,血红蛋白及吸烟与噪声性聋的患病率、听力损害程度呈正相关。
The noise intensity is the main factor of noise deafness. Hemoglobin concentration and smoking are positively correlated with the morbidity and the degree of hearing loss.
结论作业人员长期在平均噪声强度低于卫生标准下工作,仍可有一定程度的心电图改变和听力损失。
Conclusion ECG and hearing in workers could be affected with long-term exposure to medium low intensity noise, even if the exposure average level was lower than the limited level of hygienic standard.
为了提高中值滤波器的滤波性能和适应不同强度的椒盐噪声,提出了基于噪声强度估计的中值滤除算法。
In order to improve the performance of median filter and enhance adaptability for different intensity pepper-salt noise, a median filter based on noise density estimation is proposed.
由于内噪声强度随着系统体积的变化而改变,因此,这一现象也证明了系统尺度共振,即最佳尺度效应的存在。
Since the magnitude of the internal noise is changed via the variation of the system size, these phenomena also demonstrate a kind of system size resonance.
积分式中的被积函数包含一噪声强度垂直指向性因子,海洋介质分层条件通过该指向性因子影响噪声场的空间相干。
The integrand includes a multiplying factor of the vertical directivity of the noise intensity, and the layered ocean environment affects the spatial coherences via this directivity factor.
该方法适于同条件下清洗设备性能的评价,以及一定条件下工程应用中超声强度的选定和控制,具有很好的应用价值。
The method can evaluate the performance of ultrasonic cleaning machines under the same conditions, in addition choose and control the ultrasonic intensity in application to engineering.
同样噪声强度情况下,强信号的信噪比增加比弱信号的增加更加迅速。如果同时改变噪声强度,体系的信号频率也维持不变。
It is found that, with the same noise intensity, the increment of the SNR of strong signal is faster than that of the weak signal's, however, the frequencies of both them change hardly.
方法应用直线相关回归、逐步多元回归和协方差分析等统计学方法分析暂时性听阈位移与听阈、噪声强度、工龄、年龄等因素之间的关系。
Method Statistical methods of linear regression, multiple stepwised regression, two-way ANOVA were used to analysis the relation of TTS with audition, noise level, working-year and age.
方法应用直线相关回归、逐步多元回归和协方差分析等统计学方法分析暂时性听阈位移与听阈、噪声强度、工龄、年龄等因素之间的关系。
Method Statistical methods of linear regression, multiple stepwised regression, two-way ANOVA were used to analysis the relation of TTS with audition, noise level, working-year and age.
应用推荐