attenuation model

美 [əˌtenjʊˈeɪʃn ˈmɑːdl]英 [əˌtenjʊˈeɪʃn ˈmɒdl]
  • 网络衰减模型;衰减器模型
attenuation modelattenuation model
  1. The current linear attenuation model and dynamic V A characteristics model were compared .

    比较了低能电弧放电电流线性衰减模型和动态伏安特性模型。

  2. Study on sound propagation attenuation model in suspensions of polydisperse particles

    多分散颗粒悬浊液声传播衰减模型研究

  3. Analysis of low energy arc discharge characteristics based on linear current attenuation model

    基于电流线性衰减模型分析低能电弧放电特性

  4. Pulse-echo based ultrasonic attenuation model for porosity test of carbon fiber composites

    碳纤维复合材料孔隙率的脉冲反射法超声衰减测试模型

  5. Source & Reflection Attenuation Model for Volume Rendering

    体绘制源和反射-衰减模型

  6. Multilinear Strength Attenuation Model of Rock Body and Plastic Area of Wall Rock or Openings

    岩体强度衰减多线性模型与巷道围岩塑性区

  7. In initial stage of decomposition , litter loss accorded with an exponential attenuation model .

    分解初期,枯枝落叶的损失符合指数衰减模型。

  8. An exact solution of Fokker Planck equation for a attenuation model under external noise

    外噪声下衰减模型F-P方程的含时精确解

  9. This algorithm obtains the path decline index dynamically , and weakens the effect of signal attenuation model , improving the location accuracy .

    该算法通过动态获取路径衰落指数,弱化信号衰减模型的作用,提高了定位精度。

  10. 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。

  11. Then , a ground motion attenuation model depsndent on the rupture direction of the seismic source from the expressions has been recommended .

    据此,建议一种考虑震源破裂方向的地震动衰减模型。

  12. The attenuation model for magnitude and distance saturations of near source peak ground acceleration is discussed by regression analysis of data of strong ground motion records in the paper .

    本文收集了丰富的强震资料,以峰值加速度为例,采用简单且体现近场峰值加速度PGA震级饱和和距离饱和特性的衰减模型,研究了表征震级与距离饱和效应的R0(M)的性质。

  13. For current linear attenuation model it draws a conclusion that arc discharge time is proportional to the product of inductance and initial current and is irrelevant to the source voltage .

    其中由放电电流线性衰减模型得出放电时间和电路电感与初始电流的乘积成正比而与电源电压无关的结论;

  14. For reducing range measurement error , the paper utilizes RSS experience attenuation model to measure one hop-distance between nodes and discuss on using kalman flitter to reduce the noise .

    为了降低测距误差对定位精度的影响,本文使用RSS经验衰减模型估测单跳节点间的距离,并对利用卡尔曼滤波算法降低噪声的过程进行了探讨。

  15. On the base of contrasting and comparing current estimating method and estimated value of hydrothermal heat flux , exponential attenuation model are put forward to compute heat flux of hydrothermal activity .

    本文对现有的热液热通量估算方法进行了对比与讨论,提出了指数衰减模型来估算海底热液热通量。

  16. Based on above ultrasonic attenuation model in pulp suspension , a numerical computation software package was programmed with symbol computing software Maple to implement the computer description of ultrasonic attenuation model .

    以上述纸浆悬浮液超声衰减模型为基础,论文采用符号计算软件Maple编写了数值计算软件包,实现了超声衰减模型的计算机描述。

  17. The inelastic attenuation model of media in the Sichuan Basin region has been studied by using the joint conversion of genetic algorithm based on the waveform data recorded by Sichuan Digital Seismic Network .

    利用四川数字地震台网记录的地震波形资料,采用遗传算法联合反演方法研究了四川盆地地区的介质非弹性衰减模型。

  18. In this paper , the target echo intensity , propagation attenuation model and characteristics of target are simply analyzed . Both the detailed introduction of extended Kalman filtering and the nonlinear filtering algorithm are given .

    对目标回波强度、传播衰减模型以及目标特性等做了简单分析,重点对单基地高频地波雷达中采用的扩展卡尔曼滤波这一非线性滤波算法作了详细介绍。

  19. On the intra-cell location information verify mechanism , we combined " vehicle radar positioning "," signal attenuation model positioning " and " cell oversight mechanisms " to ensure the credibility of geographical location .

    在对区格内地理位置信息校验机制上,本文结合车载雷达定位,信号衰减模型定位及区格监督机制三种方式共同保证地理位置的可信度。

  20. The main points were as follows : ( 1 ) The elastic response spectral acceleration was regarded as the intensity measure of near-fault ground motion and the attenuation model of response spectral acceleration was studied .

    文章主要内容如下:(1)以弹性加速度响应谱值为近断层地震动的强度参数建立地震动的衰减关系模型。

  21. According to water pollution characteristics of Xuzhou reach of Grant Canal , to establish an oxygen equilibrium water quality model and COD attenuation model with BOD5 , NH3-N , phenols and DO water quality components .

    根据京杭运河徐州段水污染的特点,建立了包括BOD5、NH3-N、酚和DO4项水质组分的多元耦合氧平衡水质模型及COD衰减经验模型。

  22. Strong ground motion records have been analyzed by collecting twenty-thousands records of west American 324 bed rock motion records in 108 stations were selected to regress the proposed attenuation model for parameters of ground motion .

    对收集到的近两万条美国西部的强震记录进行了分析整理,选用了108个台站共324条基岩强地震动记录,对建议的地震动参数衰减模型进行了统计。

  23. Seawater channel of blue-green laser communication is a complex random channel , perfect , vertical channel attenuation model has great significance and reference value for the design and implementation of blue-green laser uplink / downlink communication systems .

    蓝绿激光通信的海水信道是个比较复杂的信道。建立一个完善的四季海水信道垂线衰减模型对蓝绿激光上行/下行通信系统的研究、设计和实现有着重要的理论意义和价值。

  24. Considering resisting character of time-variant and the skill of JC method , a new method for calculating the reliability of time-variant structures is proposed in which resistance attenuation model and the model for calculating loads are absorbed .

    基于已有结构抗力衰减模型和剩余使用寿命期内可变荷载计算模型的既有成果,考虑结构抗力的时变特性,提出一种新的时变可靠度计算方法。

  25. Based on the atmospheric image-forming principle and atmospheric attenuation model , the algorithm proposed a new prior knowledge . Then all unknown parameters are estimated from the prior knowledge . By this algorithm , very good images are recovered .

    该算法以大气成像原理及大气衰减模型为基础,提出了一种新的先验知识,基于该先验知识来估算各个未知参数,取得了很好的复原效果。

  26. Development of seismic intensity attenuation model in North China and its application to quantitative estimation of earthquake location and magnitude Upon this correspondence the time and the active area of the strongest earthquake in the 8th episode is predicted .

    华北地区烈度衰减模型建立及其用于震中区域和震级的定量估算并由此出发对华北地震区第八幕最大地震的发生时间及地震活动区域作了推测。

  27. Through the two improvements of the ranging stage and node coordinate calculation stage , the positioning accuracy has been improved compared to the traditional algorithms . Secondly , basic target localization algorithm based on sound energy attenuation model is analyzed and researched in this paper .

    通过测距阶段和坐标计算阶段两方面的改进措施,使得改进后的算法定位精度相比传统的算法有一定程度的提高。

  28. In this paper , peaks of acceleration , velocity and displacement at observation point are gotten based on the data of Guangdong Digital Telemetry Seismograph Network , and then they are transformed to the values at the focal through fitted attenuation model for seismic wave .

    应用广东数字地震台网的数字化地震资料,经过预处理,获得每次小地震在观测点处的峰值加速度、峰值速度和峰值位移,再利用适当的衰减模式,将其换算成震源处的值。

  29. The two-dimensional steady mixed attenuation model prediction results show that the fish , and DA and swallows slope station was built , as the reservoir depth , surface width increases , the pollutant dilution ability enhances ; reservoir flow slowed down , pollutant transverse diffusion speed .

    二维稳态混合衰减模式预测结果表明,撒鱼沱和燕子坡电站兴建后,由于库区水深、水面宽度增加,对污染物的稀释能力增强;库区流速减缓,污染物横向扩散加快。

  30. Inverse Q filter be for stack is based on the attenuation model of Futterman . By correcting phase distortion of wavelet , compensating frequency and amplitude of seismic wave , the resolution of seismic data the signal to noise ratio are improved , and the events are more continuous .

    叠前反Q滤波是以FUTTERMAN衰减模型为理论基础,校正地震子波相位拉伸,补偿地震波频率和振幅的损失,达到提高地震资料分辨率和信噪比及改善同相轴连续性的目的。