The paper study the problem by constructing theoretical model of diffracted sound attenuation of limited length barrier.
通过建立有限长声屏障的绕射声衰减的理论模型，进行了这方面的探讨。
Method 1 and method 2 are applied to the constructed nonlinear model, and then two nonlinear L2 gain disturbance attenuation control laws for multi-machine excitation are deduced.
然后将方法1和方法2分别应用于该模型，得出两种多机系统励磁的非线性L_2增益干扰抑制控制律。
In a model with vertical incidence of plane electromagnetic wave into plasma slabs with metal underlay, the attenuation of electromagnetic wave and reflected power are deduced.
采用垂直入射具有金属衬底的均匀等离子体模型，对不同入射频率的电磁波的衰减以及总出入射功率比进行了数值模拟。
Thirdly, on the base of "virtual distance attenuation", the paper brings forward a forecasting model of the CS of tourism websites—virtual distance weighing.
第三部分，首先根据旅游网站使用者满意度的“虚拟距离衰减”规律，引深提出了旅游网站使用者满意度的预测模式——“虚拟距离衡量法”。
With displacement operator method the total quantum noise is obtained, and a quantum channel model with attenuation and noise is proposed.
用位移算符方法计算量子噪声的累加，同时建立了有衰减和噪声时的信道的量子模型。
In this paper, a physical model of the structure and attenuation of shock waves in metals is presented.
本文给出了研究金属中激波构造与衰减的一个物理模型。
An exponential attenuation model of main peak about white noise's ambiguity function is analyzed, and the numerical formula of the model is deduced.
分析适用于模糊区与近似清晰区的白噪声模糊函数中心主峰附近的指数衰减模型，推导了模型参数的数值计算公式。
The consistent attenuation in the measured and model yielded temperature information allows to use the transmission as a useful means for testing the predictability dealt with by a model.
由于实测的信息衰减与模式信息衰减具有一致性，因此，信息传递可作为检验模式可预报性的有益工具。
Model parameters have the important effects on three-dimensional distinct element code (3dec) modeling of the stress wave propagation and attenuation in jointed rock masses as well as other codes.
与其他数值软件一样，用三维离散元程序(3dec)模拟应力波在节理岩体中的传播和衰减时，模型参数对模拟结果有很重要的影响。
In this paper, the effect of waves on nonlinear rolling damping is researched experimentally through attenuation test of a model ship rolling in irregular waves in a wave tank.
本文通过在波浪水池中进行不规则波的船模横摇衰减试验，研究了波浪对非线性横摇阻尼的影响。
Considering the nonlinear affects of various parameters on rain attenuation, we propose a new rain attenuation model based on evolutionary neural network and compare it with the ITU-R model.
本文在考虑多个参数对雨衰减非线性影响的基础上，建立了基于进化神经网络的雨衰减模型，并与ITU - R模型进行了比较。
The source spectrum of small-moderate earthquake can be represented by theoretical "Brune" model, the geometric attenuation factor of whole path can be represented by three-segment geometric model.
中小地震的震源谱可以用“布龙”理论模型表示，传播路径中的几何衰减因子可以用三段几何衰减模型表示。
This paper analyzes the impedance, noise and attenuation characteristics of PLC channel and introduces the PLC channel model which will help us understand PLC further.
文中分析了电力线信道的阻抗、噪声、衰减特性，据此给出了电力线信道模型，有助于深入理解低压电力线通信的特点。
NSA (the normalized site attenuation) measurement and theoretical calculation model of compact EMC chamber is firstly introduced in this paper.
本文首先介绍了紧缩型电磁兼容(EMC)暗室归一化场地衰减(nsa)的测试方法和理论值的计算模型。
In this paper, we mainly discuss the determination of specific parameters of potential sources, the prediction of attenuation laws of ground shock and the selection of occurrence model of earthquake.
本文主要讨论潜在震源区地震参数的确定、地震动衰减规律的预测以及地震发生模式的选定。
Based on the mechanism of rain attenuation, the special attenuation by rain is calculated by the equivalent dielectric permittivity model.
基于降雨衰减机理，利用雨介质的等效介电常数模型计算了降雨的特征衰减。
Assuming a trilinear geometrical spreading model, we obtained the attenuation function in Guangdong region.
采用三段几何衰减模型拟合，得到了广东地区的几何衰减函数。
This article introduced the attenuation empirical model in fog, Simulation analysis the difference between 0.85 and 10.6 in coefficient of attenuation and communication distance.
本文重点介绍了雾衰减的经验模型，仿真分析了0.85和10.6在衰减系数和通信距离上的差异。
In this paper, a mathematical model is used to characterize this random signals, and a time averaging method is used for obtaining the ultrasonic attenuation coefficient.
本文提供了一种用于识别这类随机信号的数学统计模型，并介绍了一种时间平均法用来获取超声背散射信号的衰减系数。
Method 1 and method 2 are applied to the constructed nonlinear model, and then two nonlinear L2 gain disturbance attenuation control laws for single-machine excitation are derived.
然后将方法1和方法2分别应用于该模型，得出两种单机系统励磁的非线性L_2增益干扰抑制控制律。
After built the material's defect model in theory, combined the attenuation image and damage mechanics of acoustic, we can get the material's invalidation model.
从理论上建立材料的缺陷模型，并结合声衰减分布图与超声损伤力学原理，就能获得材料的失效模型。
The influence of atmospheric attenuation and turbulence to laser transmission is profoundly analyzed in the paper. Then , A model, based the atmospheric attenuation and turbulence effects, is present.
本论文还深入分析了大气衰减效应和大气湍流效应对激光传输的影响，然后给出了一种基于大气信道效应的大气信道模型。
Considering the relationship of the attenuation of wave and damage energy dissipation, a new rock damage model is developed for rock blasting.
在考虑岩石冲击损伤过程的声波衰减规律及其与能量耗散率关系的基础上，建立新的岩石爆破损伤模型。
The attenuation of thermal relaxation model is much higher than BISQ model, and also higher than the attenuation of earth medium.
经研究发现热弛豫模型的衰减比BISQ模型大得较多，与地球介质相比衰减量也过大；
Based on the analysis of the existing theoretical model of ultrasonic attenuation, the model for ultrasonic attenuation of composite particle size distribution was established.
在分析现有超声波衰减理论模型的基础上，建立了混合粒度分布下超声波的衰减模型。
In order to meet the traceability of large attenuation, a new model PAS-1 attenuation measuring receiver and then a new national attenuation standard system are developed.
为了满足大衰减量值的溯源，研制成功了新的PAS 1型衰减测量接收机和新的国家标准装置。
Based on the researches of infrared-wave attenuation due to fog, a novel model of artificial fog for broad-zone camouflage was proposed.
对天然雾的红外衰减性能进行了研究，在此基础上提出以人工造雾实现宽广地域伪装防护的新的伪装隐身方式。
To reduce the above deviation, the concept of rupture length is introduced into the fault-rupture model, but the attenuation is quite different from practical dam.
为了克服上述偏差，断层-破裂模型引进了破裂长度的概念，但其衰减与实际资料出入较大。
The problem of designing a switching controller for chattering attenuation in multi-model system is considered.
研究了一类可以抑制切换时刻输出跳跃的多模型切换控制器的设计问题。
The problem of designing a switching controller for chattering attenuation in multi-model systems is considered.
研究了一类可以抑制切换时刻输出跳跃的多模型切换控制器的设计问题。
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