查询词典 pincushion distortion

The main work of this dissertation is that after the conventional codebook design algorithm is used to decrease the expected distortion, evolutionary algorithm is introduced into vector quantization based on the partial distortion theorem to design the optimal codebook.

本论文的主要工作正是在利用传统码本设计算法减少平均误差的前提下，根据矢量量化的部分失真定理，引入进化算法，设计出较优的码本。

Used false ceiling material varieties, specifications, colours and grassroots construction, shall be fixed design methodology, and the current standard; Drop keel no distortion, distortion, false wooden keel or the need for fire wood processing vessel analysis, the installation of a reliable keel, around flattened; light lamps can be directly working in reinforced keel, the weight of more than 2 kilograms of lamps or ceiling fan can not borrow drop keel, a separate hanger with LBAC structure liaison metal materials, synthetic materials, PVC ceiling must be installed on the Xidingdeng Long skeleton, the structure must do waterproofing wood fire.

吊顶 吊顶所用材料的品种、规格、颜色以及基层构造、固定方法应按设计要求，并符合现行标准；吊顶龙骨不得扭曲、变形，木龙骨或木质吊顶必须进行防火处理，吊杆顺直，龙骨安装牢固可靠，四周平直；轻型灯具可直接吊在加固龙骨上，重量大于2公斤的灯具或吊扇不得借用吊顶龙骨，应另设吊钩与土建结构联络，金属材料、合成材料、PVC吊顶上的吸顶灯安装必须有龙骨架，木结构必须做防水防火处理。

Merritt also avoided using a traditional drum kit, further separating the sound of Realism from the noise pop of Distortion. Along with Distortion and the 2004 album i, Realism was also recorded without the use of synthesizers, completing the band's "no-synth trilogy".

据说其中的一首--说你爱着，是Vitas为了自己的妻子而创作的，细细凝听，仿佛真的能够感受到他每一个用心谱写的爱与灵魂的音符，是一首不容错过的好歌。

Study of the method for controlling the very small distortion of the mask;2. In order to get the distortion of ellipsoidal equipment in space, we can fit the ellipsoidal surface by using coordinates of points spreading around it.

讲述了通用二次曲面拟合的误差方程和法方程的组成，介绍了运用Jacobi变换方法来处理系数相关性问题和法方程的求解，还介绍了将通用系数形式转化为标准椭球方程的方法，从而求得观测坐标系与椭球主轴坐标系之间的关系，最后求得椭球在空间的位置、方向和大小，以及椭球体的形变值。

Information such as attitude angle of aircraft is used to emendate the large-geometry-distorted image, so the research of this paper is based on the hypothesis that images used have small geometry distortion and invariant moment feature is used to reduce this distortion.

由于大的几何失真图像可利用飞行器本身信息进行几何校正，所以本文的研究都是基于小的几何失真这一假设的，并且利用不变矩特征来减小这种失真。

In order to improve measuring precision for the goal point in the measuring system, a set of device made up of eleven equidistance goal points for detecting optical distortion is designed on the basis of distortion theory.

为了减小该误差，提高系统的测量精度，根据畸变产生机理，设计了由11个等距目标点组成的畸变检测装置。

In the respect of welding distortion control, two kinds of aluminum alloy sheets are used: LY12CZ and LF5, and welding distortion experiments using work-pieces with large dimensions are performed in finger-shaped fixture designed by us.

在焊接变形的控制研究方面，采用LY12CZ、LF5两种铝合金薄板，在自行设计制造的琴键式夹具上进行了大板焊接变形试验。

On Image-Collecting, trapezoidal distortion is one of the most common distortion. We present a rectification method for it. In the case of knowing the focal distance and the size of CCD, the only parameter needed to know to restore the image is the angle of the camera axis with the ground.

摘要图像采集中的梯形失真是工程中最常见的失真之一，对此本文提出一种校正方法，在已知摄像机的镜头焦距和CCD大小的情况下，仅需要知道摄像机中轴线与地面的倾角一个参数，不需要控制点，就可以恢复原始图像。

The pulse propagation through fog medium is discussed .The pulse distortion induced by fog is found using method of closed solution for Fourier integral in time domain. It is found that the pulse distortion is affected by the visibility, frequency, pulse width and path length.

在此基础上应用傅立叶时域积分近似解方法对脉冲波通过雾媒质时的传输特性进行了研究和分析，给出了脉冲畸变、频移随频率、能见度及传播距离的变化关系。

In this paper, the method of quantitative analysis is adpoted, and the index of information distortion degree is proposed. The information distortion problems of agricultural supply chain are described by the analysis of frequency response curve.

本文采用定量分析的方法，提出信息失真度的指标，通过对频率响应曲线的分析来描述农产品供应链中的信息失真问题。

Corellians take pride in the open expanses of razor grass fields and unpolluted sandy beaches.

科瑞利亚人拥有他们引以为傲的宽广草原和未受污染的沙滩。

It is not only arms sales to Taiwan that has recently elicited strong reactions from China.

最近引发中国强烈反应的不仅仅是美国对台军售这一件事。