同时非稳态噪声听力损伤比稳态噪声严重。
Meanwhile, hearing loss caused by unsteady noise is more serious than that caused by steady noise.
目的提高非稳态噪声性耳聋发病率预测精度。
Objective To improve the forecasting precision of the incidence rate of deafness induced by instable state noise.
目的探讨应用强化铁营养对抗稳态噪声致聋作用的可能性。
Objective To study the effects of fortified iron nutrition on hearing loss induced by steady state white noise.
目的:观察稳态噪声、脉冲噪声与两者协同作用下对豚鼠内耳的损伤。
Aim: to investigate the inner ear damage after exposure to stable noise, impulse noise and stable plus impulse noise in guinea pigs.
结论脉冲噪声所致高频听力损失的危害在能量相同的情况下大于稳态噪声。
Conclusion Impulse noise causes more serious damage in causing high frequency hearing loss than continuous noise according to equal energy rule.
目的比较和分析稳态噪声、脉冲噪声、脉冲噪声与振动联合作用对作业工人听力的影响。
Objective To analyse the effects on occupational workers hearing loss caused by steady state noise, impulsive noise and segmental vibration.
因此得出结论:①非稳态噪声可以对动物行为产生影响,并随着噪声暴露时间的延长而增强;
The following conclusions were:first, non steady state noise had great influence on animal behavior, and the longer the exposure was, the greater the influence became.
两组工人个体噪声暴露的时间图显示其工作环境噪声性质分别为典型的稳态噪声和非稳态噪声。
The result showed that the textile workers exposed to continuous noise, and the mechanical manufacture workers exposed to non-continuous noise.
利用等效线性化方法推导了具有渐硬非线性复位弹簧的滑动系统的高斯白噪声激励稳态随机响应概率分布的解析解。
The analytic solutions of the probability density of the steady state responses of Coulomb sliding systems with gradually strong springs to Gaussian white noise are derived.
便携式火箭发射器所产生的冲击波和强脉冲噪声属非稳态信号,具有较宽的频率范围。
The shock wave and strong pulse noise, which produced by light rocket launcher, are belong to a non stationary signal process with a wide frequencies.
特别对时不变系统提出了统一的稳态白噪声估值器。
And specially, unifying steady state white noise estimators are also presented for time invariant systems.
一类受高斯白噪声激励的非线性动力学方程能通过求解对应的F Pk方程得到精确稳态解。
The exact stationary solution of a class of nonlinear dynamic problems subjected to Gaussian white noise has been obtained by solving its corresponding Fokker Planck Kolmogorov equation.
文中还比较了用发动机转速慢加速扫描的动态方法及稳态转速下测得的噪声值。
The noise values measured by using gradual acceleration scanning and steady engine speed methods are also compared in this paper.
提出了统一的最优和稳态白噪声和拟白噪声估值器。
The unified optimal and steady-state white noise and quasi-white noise estimators are presented.
在分析既有环境噪声评价方法的基础上,根据交通噪声非稳态性的特点,提出了交通噪声综合影响指数的概念。
Based on the old evaluating methods of road traffic noise, the traffic noise integrated impact index was proposed, the unsteady characteristic of road traffic noise was considered.
研究了渐硬恢复力刚性滑移结构在水平和竖向高斯白噪声地面作用下稳态响应的概率分布问题。
The probability distribution problem of the steady-state responses to horizontal and vertical Gaussian white noises of rigid sliding structures with hardening restoring force is studied in this paper.
针对具有噪声的工业过程稳态优化进程,提出迭代学习控制以期改善控制系统的动态品质。
The iterative learning control is studied for the procedure of industrial process steady state optimization in order to improve the dynamic performance of control systems.
证明了亚泊松泵浦及原子的相干性可使多单光子双稳态的光场噪声降低,但不能产生光场的压缩效应。
We show that the refular pumping statistics and atomic coherences can reduce the field noise of multiple one photon optical bistability, but can not result in field squeezing from an ordinary vacuum.
利用逆序法对驱动桥噪声信号的平稳性进行了验证,指出其噪声信号为非稳态信号。
Reversed order method is used to prove that the noise of driver axle is a nonstationary signal.
同时给出该算法的稳态分析并提供参数选择的依据,通过仿真验证该算法在不同噪声环境下收敛性能的优越性及稳态分析的正确性。
One is proposed to update the step size based on the gradient in the adaptation. Steady state performance analysis and parameter choice guideline are also provided to facilitate its application.
然后根据离散时间双稳态系统,设计了处理常值二进制信号的接收器结构,在一些非高斯噪声下对接收器的检测性能与匹配滤波器进行了比较分析。
The receiver structure based on discrete-time bistable system is designed for the constant binary signal detection, and it is compared with the matched filter in some cases of non-Gaussian noise.
然后根据离散时间双稳态系统,设计了处理常值二进制信号的接收器结构,在一些非高斯噪声下对接收器的检测性能与匹配滤波器进行了比较分析。
The receiver structure based on discrete-time bistable system is designed for the constant binary signal detection, and it is compared with the matched filter in some cases of non-Gaussian noise.
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