查询词典 two dimensional

Applications of Fast Walsh Transform to seismic data processing are given to solve the sequency band filter problem and the two-dimensional filter problem.

本文推出不倒地址省时间的快速沃希变换计算公式，提出使用沃希变换进行地震勘探数字处理滤波的方法以及二维沃希变换滤波方法。

Discharge characteristics and operation parameters of non-symmetric shadow mask plasma display panel were simulated with two-dimensional fluid simulation model.

本文采用二维流体模型模拟了非对称荫罩式PDP结构的放电过程和放电特性。

A computed tomography scan of the shoulder girdle was conducted with two-dimensional reconstructions of the CT scan serving as a reference method.

CT肩部扫描的二维重建作为一种参考方法。

Heat transfer and velocity distribution in the flow of a cold,two-dimensional vertical liquid jet against an isothermal hot,horizontal plate were studied,by using similarity transformation and Crocco transformation.

研究了二维冷液体射流垂直冲击一个恒温热平面时，射流沿平面的热量传输和速度分布。通过对Crocco变换加以推广，求得了问题的相似解，揭示了速度梯度，温度分布和剪切力之间的关系。

Chapter 1 discusses multiple parameters simultaneous estimation of a two-dimensional distributed parameter system; First, the distributed parameter system is transformed by applying a Laplace transform; Then by defining the objective function combined with the principle of optimal control, the problem of parameter estimate is converted into the problem of optimal control.

第一章讨论了一类二维分布参数系统的多参数同步辨识问题。首先利用Laplace变换对原系统方程进行了转换；然后结合最优控制原理定义目标泛函，将参数辨识问题转化为最优控制问题。

Using linear elastic fracture mechanics and finite element method and window moving technique, a two-dimensional asphalt pavement crack propagation path simulator program has been developed with a combination of 8-node quadrilateral isoparametric element and 6-node triangular collapsed singular isoparametric element.

鉴于影响沥青路面早期裂缝的因素多而复杂，给出了影响沥青路面裂缝的因素及其相互作用关系图帮助识别裂纹形成机理。

According to this work, the two-dimensional field distribution of continuous sinusoidal wave vertically or obliquely radiated by a linear array of five monopole sound sources is numerically simulated in terms of the different initial acoustic pressure .

在此基础上，数值模拟了初始声压强弱不同的5个点声源组成的线阵列垂直或斜向辐射的连续正弦波在大气中传播时二维声场的分布情况。

The subjects are 12 young children in a classroom of a kindergarten. Two-dimensional nominal sociometry was conducted to analyze each child's peer status.

以台南县一所幼儿园的一个班级为分析的单位，本研究使用二向提名式社会测法分析幼儿的同侪地位，并以社会关系图呈现班级的社会结构。

Based on the experimental conditions, a two-dimensional mathematic model of phase change between solid and liquid is set up.

本文对封闭在一中空的水平同心管道内的石蜡进行了温度场的实验研究和数值模拟。

In this paper, an algorithm to achieve both two dimensional high resolution and wide swath is proposed. Every small satellite work in the active state, they transmit and receive different frequency band signal simultaneity. First, the azimuth ambiguity is eliminated in each frequency sub-band, then the signal is rectified to zero Doppler frequency, after that this algorithm does the range spectral synthesis to achieve high range resolution.

该文分析了一种沿航向排列分布式小卫星宽测绘带二维高分辨率成像技术，每颗卫星同时发射接收不同频率的线性调频信号，先分别在每个子带解方位多普勒模糊，并将方位多普勒中心频率调整至零频，然后在距离向进行子带拼接得到大带宽的线性调频信号从而得到高的距离向分辨率。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。