查询词典 masking

Ideally bald, sun-tanned, and clean-shaven, he began rather impressively with that great brown dome of his, tortoise-shell glasses (masking an infantile absence of eyebrows), apish upper lip, thick neck, and strong-man torso in a tightish tweed coat, but ended, somewhat disappointingly, in a pair of spindly legs and frail-looking, almost feminine feet.

这个老头不是别人，正是提莫非·普宁教授。就秃头而言，他那个脑袋也秃得够理想的了，皮肤被太阳晒得黝黑，脸刮得倒是清爽干净，首先让人印象深刻的是他那个棕色的大脑袋，那副玳瑁眼镜，像猴子一样的上唇，粗脖子和那穿着紧绷的花呢上衣的、结实的身体。

This dissertation is mainly concerning digital image watermarking problems. In Chapter 2, a detailed survey on digital image watermarking is presented. In Chapter 3, an optimal scheme is proposed to use Human Visual System model to compute masking function. It will be used to control the strength of watermark signal for optimal embedding. In Chapter 4, we propose a novel watermarking scheme based on lattice vector quantization.

本文讨论了数字图像水印及其在多媒体安全中的应用，主要围绕下列问题进行研究和创新： 1、优化的水印嵌入模型：本文对基于直接序列扩频技术的水印算法进行了改进，根据人类视觉系统感知模型，提出了优化的水印嵌入模型，在不可感知性条件的限制下，使水印的鲁棒性达到最高。

In Chapter 2, a detailed survey on digital image watermarking is presented. InChapter 3, an optimal scheme is proposed to use Human Visual System model tocompute masking function. It will be used to control the strength of watermark signalfor optimal embedding. In Chapter 4, we propose a novel watermarking scheme based on lattice vectorquantization. Some important transform coefficients of the original image are firstlymapped into the nearest neighboring lattice points by using lattice vector quantizer,then watermark signal is added to the lattice points.

本文讨论了数字图像水印及其在多媒体安全中的应用，主要围绕下列问题进行研究和创新：1、优化的水印嵌入模型：本文对基于直接序列扩频技术的水印算法进行了改进，根据人类视觉系统感知模型，提出了优化的水印嵌入模型，在不可感知性条件的限制下，使水印的鲁棒性达到最高。2、基于格矢量量化的图像水印：本文提出了基于格矢量量化的多比特盲水印算法，不需要原始图象就可以实现水印信号的检测和译码。

Heating the front side causes the masking tape to come loose, resulting in uneven tension and waviness.

加热面的原因掩蔽磁带来松散，导致在不平衡的紧张局势和波纹。

Take a loop of masking tape and tape the board, copper side up, to a piece of cardboard (eg. the back of a writing pad).

采取一回路的掩蔽磁带和磁带董事会，铜的一面向上，一块硬纸板。

Using EDTA as titratant,murexide as indicator,sodium tartrate ammonium fluoride and sodium thiosulfate as masking agent, nickle concentration was determined in ammonic medium.

以EDTA为滴定剂，紫脲酸铵为指示剂，NH4F、酒石酸钾钠、Na2S2O3为掩蔽剂，在氨性介质中测定镍的浓度；在pH值为8.0的氨-氯化铵缓冲液中，采用滴定比色法测得钴的浓度。

Other adverse reactions that may occur following the administration of a corticosteroid are necrotising angitis, thrombophlebitis, aggravation or masking of infections, insomnia, syncopal episodes and anaphylactoid reactions.

其他的不良反应可能出现类固醇管理的血管坏死，血栓，掩盖恶化或感染，失眠，昏厥和过敏性反应。

He then applied "unsharp masking" which, belying its name, increases image sharpness by bringing forth features that are otherwise too faint to see.

然后他利用钝化掩模图像增益法将其显著的地去隐藏掉，增强了图像的清晰度，使那些过于暗淡而无法看见的区域可以显现出来。

The development and significance of chaology are introduced firstly. The general requirement of communication system and the application potential in secure communication are expatiated. The chaotic secure communication methods home and abroad are also summarized, including chaos spread spectrum communication, chaos key-shifting, chaos parameter modulation, chaos masking, chaos CDMA. The exiting problems and development direction are also pointed out respectively.

介绍了混沌学的发展过程和意义，阐述了通信系统的一般要求和混沌在保密通信中的应用潜力，综述了国内外现有的混沌保密通信方法，其中包括：混沌扩频通信，混沌键控，混沌参数调制，混沌掩盖，混沌数字码分多址等五大类，指出了各自存在的问题和发展方向。

It is observed that the strong correlations in the coding regions may be blocked by the third base of codons,and the proper masking can extract the correlations.Distribution of dimeric tandem repeats of unmasked sequences is also compared with that of masked sequences.

结果表明构建得到的网络同时满足小世界网络和无尺度网络的特征，证明DNA序列不全是随机的序列，而是有随机扰动的确定结构的序列，特别是编码区。

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。