设计了噪声传递函数ntf，并对其进行了优化。
Furthermore, the noise transfer function (NTF) is designed and optimized.
它具有所需存贮量小、噪声传递系数小及数值稳定性好等特点。
It has characteristics of smaller required memory capacity, smaller noise coefficient and better numerical value stability.
为改善汽车的平顺性和噪声传递，车用动力总成的安装已越来越多地采用液压悬置结构。
Various hydraulic mounts are being adopted for automotive powertrain mounting to improve ride quality and noise transferring.
通过对不同的工况下同一噪声传递路径的测量分析，发现了传递函数的峰值存在频率偏移。
Meanwhile, in different working condition, the measuring of the same noise transfer path gives results that have minor offset of peak values positions between each test.
根据移频减振降噪原理，借助实验优化设计，分析了振动传递系统的六个刚度对抑制振动噪声传递的主次关系。
The relationship of six stiffness parameters with the restraint of vibration transfer is discussed by means of experiment optimal design.
齿轮噪声传递出来的信息是杂乱的，非线性的，为了寻求其中的规律，利用人工神经网络方法对其进行研究是相得益彰的。
The message impressed by gears noise is messy and nonlinear, to seek the law of it, the use of artificial neural network to take research on it brings out the best in each other.
香农指出，噪声限制了信息在保持无差错的情况下沿通信信道传递的速度。
Shannon showed that noise sets a limit on the rate at which information can pass along communication channels while remaining error-free.
在粒子物理学里，在“低噪声”系统里发现过同步的指向，系统里的信号在传递过程中不会减少。
In particle physics, synchronized orientation is found in systems with "low noise," in which signals are transmitted without degrading.
通过在传递函数中引入两个极点，获得了比多环路级联结构更好的系统噪声性能。
By adding two poles into the transfer function, better noise performances compared with that of the MASH structure are achieved.
信息传递过程包括的要素有想法、编码、通道、译码、理解、背景、反馈、噪声等。
The process of information transmission comprises such the elements as idea, encoding, channels, coding, understanding, background, feedback, noise, and so on.
研究了隔振动力传递与激励力的关系，表明隔振环能明显降低轴承产生的振动与噪声。
It also shows that the vibrating isolation ring can reduce the noise resulting from bearing through studying the relation between the transmission of force and exciting force.
设计了一种基于LED光源的荧光温度检测系统，给出了各个环节的传递模型和噪声模型。
A temperature measuring system based on LED light source is designed, and the transfer model and noisy model of every section is given.
介绍了锁相环的基本原理，分析了锁相环各部分电路相位噪声的传递函数。
The basic principle of phase locked loop (PLL) has been introduced, and the transmission function of the phase noises of every part of PLL has been analyzed.
提出一种改进的维纳滤波模型，通过改变维纳滤波传递函数中的参考函数，以实现噪声环境下的多目标识别。
An improved Wiener Filter (WF) is proposed by modifying reference term in WF transfer function to achieve multiple-target detection in noisy environment.
用波数-频率谱传递函数表征包括弹性板和流体负荷在内的整个系统的特性，导出了噪声场互谱函数的一般表示式。
Using the wavenumber frequency transfer function to describe the whole system consisting of the plate and the liquid loading, a general expression of the cross spectrum was derived.
复杂隔振系统的振动传递特性研究是振动噪声控制领域具有实际工程意义的研究方向，是振动工程界当前的热点研究问题。
The study on the transmission of power flow in complex vibration system is a valuable research issue in vibration field and the key research in the vibration engineering field.
实车试验结果表明，利用传递特性模型可以确定车外加速噪声的主要振源、声源及其贡献。
The results of real vehicle test show that utilizing transfer characteristics model can identify the main noise and vibration sources and their contribution to exterior acceleration noise of vehicle.
传递函数———噪声模型是一类多变量时间序列模型，它在表达系统动态影响机制方面有着独到的优势。
The transfer function-noise model is a kind of multivariate time series model which has much advantage in expressing dynamic mechanism of a system.
通过WVIS -ME45隔振器的轴向弹性变形来传递螺旋桨的推力，有效地控制了船舶推进系统的振动和噪声。
It is efficient to control the vibration and noise of the propulsion system since the thrust is transmitted by axial elastic deformation of WVIS-ME45 vibration isolator.
通过理论计算和分析确定了噪声频谱图中各噪声峰值对应的噪声源及其传递路径，指明了压缩机降噪的主要目标。
Through theory computation and analysis, the source of noise and transfer paths corresponding to every noise peak value are confirmed, the main aim to decreasing noise is pointed out.
利用线性系统理论和采样理论对成像系统的传递函数进行了分析建模；借助于三维噪声模型表征了系统的噪声特性。
The transfer function of imaging system is modeled using the linear system theory and sampling theory, and the noise is characterized with the three-dimensional noise model.
基于声传递向量(atv)的概念，研究探讨了AT V技术在内燃机结构辐射噪声仿真预测上的应用方法和途径。
Based on the acoustic transfer vector concept (ATV), the application approach to structural acoustic radiated prediction using the ATV technology for I. c.
本文提出一种用于相位噪声测量的新型方差——变形高阶差分方差，其传递函数具有无旁瓣、谐波少等优点。
In this paper, a new variance used in the phase noise measurement, called deformed high difference variance, is presented.
因此，研究客车车内声传递规律，识别主要噪声源，进一步研究有效的噪声控制措施具有重要意义。
So, it is important to study on the regularity of sound transmission in bus cavity and identify the major noise source and investigate the efficient corrective to control noise.
噪声污染控制的工程设计应从“声源”、“传递”、“接收”三个方面着手。
The project design of noise pollution control should be started with three respects of noise source, noise transmission and reception.
传递路径分析是分析车辆噪声的重要手段。
Transfer path analysis is an important tool to analyze the vehicle's interior noise.
本实用新型的装置有效地阻止了热量及噪声向车内的传递，使乘客乘坐客车时更加舒适。
The device of the utility model can effectively prevent the heat and the noise from transferring into the bus, and the passengers on the bus can be more comfortable.
并用声学传递矩阵方法建立了柴油机源特性，管内声场与管口辐射噪声的关系。
The sound radiated from the exit was linked with the sound source characteristic of diesel engine, and the sound field in the exhaust duct by means of the acoustic transfer matrix method.
基于声传递向量(atv)的概念，研究探讨了AT V技术在内燃机结构辐射噪声仿真预测上的应用方法和途径。
Based on the acoustic transfer vector concept (ATV), the application approach to structural acoustic radiated prediction using the ATV technology for I. C. engine was studied.
改变轴系纵振激励传递途径，在轴系上安装纵振减振器或动力吸振器以降低结构水下辐射噪声。
The structure acoustic radiation caused by longitudinal vibration of shafting is reduced by changing excitation force propagation path and adopting vibration isolator or dynamic vibration absorber.
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