查询词典 impulse response

Comparing EMD method with traditional FFT method in the analytical process, Hilbert-Huang transformation is found to be superior in performance. Structural response of the warship subjected to underwater explosion is simulated numerically, and EMD method is applied to analyzing the structural impulse signals.

该方法不把信号分解成正弦或余弦函数，因此既能分析线性稳态信号又可用于非线性非平稳信号的分析，且避免了高频干扰结果的出现，被认为是近年来对以Fourier变换为基础的线性和稳态谱分析的一个重大突破。

Eular -Bernonulli beam model and Tomosimko beam model were adapted to study the inherence vibration properties of the pipelines under dynamical loads, and the analytical answers of the chanmical results were brought out in the fifth chapter. And gave priority to the Eular -Bernonulli beam model, the simply and convenient analytical resolution for the response of the pipelines under dynamical traffic loads through the impulse function and the congruence method of the vibration form and so on.

本文采用Eular-Bernonulli梁模型和Tomosimko梁模型对动力下Kelvin粘弹性地基中管道固有振动性状进行了分析，提出了各力学结果描述的解析式；并以Eular-Bernonulli梁模型为主，基于脉冲函数、振型迭加法等对管道在动力交通荷载作用下的管道响应问题提出简单便捷的解析算法；在管道受力结果的分析中，考虑管道响应输出的随机性，将管道响应用随机过程来描述其概率特征，使得结果描述更加真实准确。

Duhamel integration method is introduced to express the response caused by lighting impulse voltage.

对雷电波，采用了Duhamel积分的方法来处理边界激励。

The nerve is stimulated by an electrical impulse, and its response time to the impulse is measured.

神经刺激是由一个电脉冲，它的反应时间的冲动，是衡量。

In this paper, a new method of ARMA model building and system identification by using impulse time response is suggested.

本文提出了基于脉冲响应数据的ARMA法建模以及模态参数识别的新方法。

Groundwater management model;Embedding method;Response matrix method;Unit impulse quantity

地下水管理模型；嵌入法；响应矩阵法；单位脉冲量

At present, most of the groundwater management models apply response matrix method, However, the discussion on suitable unit impulse quantity valuein Response matrix method is less.

目前，地下水管理模型研究中应用响应矩阵法耦合建模的较多，但对于响应矩阵法中适宜单位脉冲量的取值问题研究的较少。

Comparison of the measured and simulated step response verified that this method is an excellent one and can be used for computer aided design of impulse voltage measuring system with resistance divider.

比较利用EMTP对该系统的阶跃波响应的仿真与测量结果表明，这种方法可较准确地仿真分压器系统的阶跃波响应和某些参数，并给出电阻分压器系统某些部件的优化设计方案

To those persons who are out of the nerves control, we use FES to generate electrical stimulation and make use of the nerve cells'response to these stimulations to transfer our artificial controlling signals. Through the stimulation of adscititious electrical current, nerve cells are supposed to generate a nerve impulse that is the same as the one induced by natural inspiration.

对于失神经控制的患者，可以采用功能性电刺激仪(Functional electrical stimulation FES)产生电刺激，利用神经细胞对电刺激的响应来传递外加的人工控制信号，通过外电流的作用使神经细胞能产生一个与自然激发引起的动作电位完全一样的神经冲动，使其支配的肌肉纤维产生收缩，从而获得运动的效果。

On the basis of instantaneous forced analysis to short circuit of power transformer and numerical value calculation using low voltage impulse analysis, the paper presents the essentiality of winding distortion after short circuit of power transformer. By contrasting the three main ways of the world such as low-voltage impulse、 short circuit impedance analysis and frequency response analysis , FRA is adopted for distortion testing. Then we design a new testing instrument of transformer winding distortion—testing system of transformer winding distortion.

本文首先在对电力变压器短路时的瞬时受力分析及所受电磁力的有限元法的数值计算的基础上，论证了电力变压器短路以后进行绕组变形测试的必要性；然后通过比较的方法对目前国内外主要使用的三种方法：低压脉冲法、短路阻抗法和频率响应法，进行了一一对比，并根据对比结果，确定在本课题中使用频响法；最后在理论研究的基础上，设计出了一种新型的变压器绕组变形测试仪——电力变压器绕组变形测试系统。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。