Thirdly, the paper has discussed the generation mechanism, acoustic model and the simulation model of the road noise on the basis of the tire pattern noise, and carried out the simulation analysis.
再次，在对轮胎花纹噪声研究的基础上，探讨了道路噪声的发声机理、发声模型及其仿真模型，并进行了仿真实验分析。
Simple linear quantizer model can be used to analysis over sampling and noise shaping, and can be used to design modulator based on large amount of simulation, too.
简单的线性模型可以用来分析过采样和噪声整形的特性，也可以在大量仿真做支持的情况下，用来作为设计的近似模型。
There must be errors for the measuring values of the first 1 order data of a system due to the noise and other factors in the Testing Model Analysis.
用试验模态分析方法测取的系统前1阶模态参数，由于噪声等多种因素的影响，具有一定误差。
Gaussian noise is added to the reconstruction model for perturbation analysis using synthetic images, thus is helpful for uncertainty evaluation.
向重建模型中输入高斯噪声进行扰动分析，这样有利于对不确定性的评定。
Results of identification and analysis show that main noise source of the model GZ6921 bus is cooling fan.
识别及分析结果表明，冷却风扇噪声是GZ 6921型客车的主要噪声源。
A new model of dealing with solar radiating disturbance is put forward and a systematic explanation to the antenna noise temperature analysis in case of solar radiating disturbance is made.
在提出日凌干扰处理新模型的基础上，根据太阳视面与天线主瓣半功率点截面的相对运动关系，系统阐述了日凌时天线噪声温度的分析方法。
Ship propeller noise can be predicted by non-dimensional analysis of ship model propeller noise.
通过无量纲分析船模螺旋桨噪声可以预报实船的螺旋桨噪声。
As the radial vibration of stator is the origin of the acoustic noise of SRMs, model analysis of stator vibration is the effective way to the research for low acoustic noise.
由于定子的径向振动是开关磁阻电机噪声的主要根源，因此定子振动系统的模态分析是降噪研究的有效手段。
Through the analysis of experimental model and air dynamic of type MB503 wood surface planer, and chief noise source was fixed, and was verified by the experiment.
通过对MB503型木工平刨床进行试验模态和空气动力学的分析，确定了木工平刨床的主要噪声源，并进行了实验验证。
Then presented the basic structure, phase model, frequency response and performance analysis for noise and spur, of phase locked loop (PLL).
然后介绍了锁相环(PLL)的基本结构、相位模型、频率响应、噪声及杂散性能。
The railway noise is one kind of environmental pollution which brings by the train's high speed running, predicting and simulating railway noise needs processing massive data and analysis the model.
铁路噪声是一种由铁路列车高速运行带来的环境污染，预测模拟铁路噪声需要大量的数据处理和模型分析。
Based on the theoretical description and analysis, the method is successfully applied to the development of a new model vehicle to meet the requirement of low level interior noise.
在阐述其基本原理及理论的基础上，实现了该方法在某货车驾驶室车内低噪声设计开发中的应用，并取得实际效果。
Firstly, a background estimation method based on small window and two dimension median filter is presented after detail analysis of the model of small infrared target, noise and clutter.
首先分析了红外小目标、噪声及其杂波特性，提出了用小窗口的二维中值滤波进行背景估计；
To predict the wheel's noise radiation, a FEM analysis model of the wheel is developed. Based on the modal superposition method, the radial receptance of the wheel is calculated.
为了预测车轮辐射的滚动噪声，本文建立了车轮有限元模型，对车轮进行了模态分析，并运用模态叠加方法计算了车轮的径向导纳。
Problems such as high noise data can be solved by using the user analysis model based on data mining, which is built with the application of BP Neutral Network Algorithm.
运用BP神经网络算法建立数据挖掘系统对解决煤炭行业中出现的实际问题有重大的意义。
Problems such as high noise data can be solved by using the user analysis model based on data mining, which is built with the application of BP Neutral Network Algorithm.
运用BP神经网络算法建立数据挖掘系统对解决煤炭行业中出现的实际问题有重大的意义。
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