查询词典 quadrature

Based on this requirement, this paper introduced steerable filters: generated a pair of even and odd filtered images by convoluting a quadrature pair of steerable filters with a source image, and then through continuously varying their phases over time, it gave the vision of an object in motion without changing its position. created the animation conveniently in this way.

基于这种需求，将定向滤波引入到非真实感动画中：利用一对正交的定向滤波核与源图像进行卷积运算，产生一对奇偶滤波图像，并通过不断改变其相位得到一系列运动的图像，使图像内的物体在实际位置并不发生改变的情况下，产生视觉上的动画效果，从而方便地生成非真实感动画。

Assuming a one-dimensional signal, features correspond to points of the maximal Fourier phase congruency; for a two-dimensional signal, phase congruency is obtained by convoluting signal with two filters in quadrature.

对于二维信号，相位叠合可通过一对相位正交的滤波器得到，最常用的滤波器是Gabor滤波器的偶和齐的滤波器。

The receiver can effectively eliminate distortion caused by phase offset of the carrier using quadrature subchannel information for intersect data dispreading.

通过同相、正交支路进行交叉混合数据解扩，能有效消除载波相位偏移对系统性能的影响。

First of all, the mathematical development and extensive computer simulation are used to analyze the influence of amplitude and phase unbalances of in-phase and quadrature channels on weather radar echo spectrum estimation.

首先对回波正交双通道幅相不平衡对气象回波谱估计的影响进行了详细的理论推导和计算机仿真。

The optimum content of Zn-Cr film coating bath have been concluded as follows:1000g/L zinc powder,2wt% chromate,0.2wt% acrylic acid,7vt% polyvinyl alcohol through the quadrature experiment.

通过正交试验筛选出锌铬涂液的最佳组分为：锌粉1000g／L、铬酐2wt％、丙烯酸0.2wt％、聚乙烯醇7wt％。

The filters require close component matching to guarantee that carrier and single-sideband suppression—key measures of quadrature-modulator ideality—do not degrade as a function of baseband frequency.

滤波器需要匹配精密器件，确保载波和单边频带抑制——理想积分调制器的关键——作为基带频率不能降级。

The proposed algorithm can deal with Carrier Frequency Offset and Sampling Frequency Offset estimation with the presence of frequency dependent In-phase and Quadrature-phased imbalance. Then frequency dependent I/Q imbalance and channel response are jointly estimated.

该联合估计算法能在存在频率相关性I/Q失配的情形下准确获得载波频率偏差和采样频率偏差的估计，并获得频率相关性I/Q失配和信道冲击响应的联合估计信息。

The joint decision direction least mean square and constant modular algorithm is selected. The structure of the equalizer contains four quadrature finite impulse response filters.

本文主要介绍了基于FPGA 的无线信道盲均衡器的设计与实现，在算法上选择了比较成熟的DDLMS 和CMA 相结合的算法，结构上采用四路正交FIR 滤波器模型。

Moreover, detailed numerical result is presented, particularly for a four-phase, namely quadrature oscillator, which is in accordance with the proposed theoretical analysis.

关于多相位和正交相位振荡信号产生的早期研究包括Millar[4]和Takao[5]等人的工作，振荡信号由两个或多个电感耦合的真空管振荡器产生。

It is particularly important to suppress the hourglass modes of one-point quadrature shell elements in vehicle crash simulation.

在汽车碰撞计算机仿真中一点积分壳单元的沙漏控制对计算的稳定性和结果的准确性有着特别重要的影响。

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。