• 强度

    See also Acoustic intensity.

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  • 目的分析远洋测量船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.

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  • 本文中定义条件包括强度分布密度两个因素

    The noise conditions defined by the paper include two factors:noise strength and noise distribution density.

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  • 因此根据接收器输出信号强度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.

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  • 冠心病病人状动脉最低强度与其周围组织差值最大

    The difference of minimum echo intensity of the right coronary wall in the coronary heart disease group was the biggest.

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  • 通过实验研究了巴克豪森强度铁磁材料表面硬度之间关系

    The relationship between the surface hardness of ferromagnetic material and the intensity of Barkhausen noise was studied.

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  • 冠心病病人冠状动脉最低强度与其周围组织值最大。

    The difference of minimum echo intensity of the right coronary wall in each group was compared with the peripheral tissue.

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  • 针对不同采取有效措施可以降低强度传播

    Adequate measures taken pertinently to different sources of the noises will effectively decrease the noise level and retard the propagation of the noise waves.

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  • 目的人体动脉不同强度粥样硬化斑块进行密度定量

    Objective To quantify the acoustic density of atherosclerosis plaques with different echogenicity in carotid artery.

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  • 强度激光振幅频率协同作用共同制约着生物系统演化过程。

    The noise strength, laser amplitude and laser frequency were cooperative interactions, which together controlled the behavior of the laser DNA interaction system.

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  • 简单形状目标相比复杂目标强度频率距离变化更为复杂。

    By comparison with simple shape targets, the echo strength of the complex targets versus frequency and range is more complex.

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  • 简述目前钢球磨煤机普遍采用方式及其运行过程中释放强度现状。

    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.

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  • 得到关联时间电流几率分布函数曲线影响与噪声强度影响相反

    Effect of the noise correlation time on the stationary probability distribution is opposite to the noise strength.

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  • 我们发现感兴趣内有较大并且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.

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  • 软件分析精度操作给出强度航速变化规律功率指标

    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.

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  • 目的图像上的颈动脉粥样硬化斑块强度反映斑块组成稳定性重要内容。

    Object The echogenicity of atherosclerotic carotid plaque in ultrasound image is an important reflection to its component and stability.

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  • 我们研究基于归分析域半径参数估计基于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.

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  • 试验结果表明巴克·豪森强度mp铁磁材料硬度值之间存在单调关系曲线。

    Experimental results indicated that there is a monotonic relationship between the hardness of ferro magnetic materials and Barkhausen Noise strength, MP.

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  • 针对泥浆泵齿轮设计的各个基本参数进行分析得出了对齿轮噪强度影响最大参数。

    The basic analysis is done for gear design to obtain parameters that greatly impacts on strength of gear noise.

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  • 海军某舰20个部位进行强度测定53舰员(106)进行了听力调查。

    The noise levels of 20 cabins and the hearing ability of 53 crewmen (106 ears)were measured.

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  • 最大限度地降低强度对于提高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.

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  • 因素中,强度主要因素,血红蛋白吸烟性聋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.

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  • 结论作业人员长期平均强度低于卫生标准下工作,一定程度心电图改变听力损失

    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.

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  • 为了提高滤波器滤波性能适应不同强度椒盐提出基于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.

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  • 由于强度随着系统体积变化改变,因此,一现象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.

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  • 积分式中的被积函数包含强度垂直指向性因子海洋介质分层条件通过指向性因子影响场的空间相干

    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.

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  • 方法适于条件清洗设备性能评价,以及一定条件下工程应用强度选定控制,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.

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  • 同样强度情况下,信号增加弱信号增加更加迅速。如果同时改变声强度,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.

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  • 方法应用直线相关回归逐步多元回归和协方差分析统计学方法分析暂时性听阈位移听阈、强度工龄年龄等因素之间关系

    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.

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  • 方法应用直线相关回归逐步多元回归和协方差分析统计学方法分析暂时性听阈位移听阈、强度工龄年龄等因素之间关系

    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.

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