查询词典 domain

Hi the discrete cosine domain, the watermark is embedded by quantifying the coefficient of the DCT domain and the quantification procession is given; the watermark can be extracted without the original audio.

3在离散余弦变换域，通过对变换域系数进行量化来嵌入水印信息，给出了量化方案；在水印的提取过程中不需要原始音频信号的参与。

In the discrete cosine domain, the watermark is embedded by quantifying the coefficient of the DCT domain and watermark can be extracted without the original audio.

在离散余弦变换域中如何嵌入数字水印，会具有较好的脆弱性和透明性。

A new method based on subtractive image segmentation for weighted image fusion is put forward from another viewpoint. It adopts the improved particle swarm optimization to calculating the segmentation threshold of subtractive image and the corresponding weighted fusion coefficient in space domain or in wavelet decomposition domain. Moreover, it doesnt need to construct the eigenspace and quantitative eigenvalue for the weighted fusion coefficients.

本文从另外一个角度提出了一种基于差值图像分割的加权图像融合方法，它采用改进的粒子群优化方法在空间域或小波分解域求解差值图像的分割阈值和对应的加权融合系数，而不需要为计算融合系数而构造特征空间和定量特征关系。

AVO analysis is suggested for solving to solve the difficulty in identification of thin alternating layers in exploration of oilfields. It can improve the current method that has no thickness variable in the formula of reflective and is limited by sampling rates in calculation of the coefficient in the time of domain. Using the relationship of stress and displacement on two interfaces, this paper derives the spectrum of reflective coefficient for any incidence angle and thiekness of thim layer based on the equation of seismic wave propagation in the frequency domain.

针对油气田开发中薄互层认识难的问题，提出从AVO分析解决困难，克服现有方法在反射系数公式中无厚度变量、时间域计算反射系数谱受采样率限制的不足，运用两个界面间位移与应力关系，从频率域地震波传播方程推导了任意入射角和薄层厚度下的反射系数谱。

The accomplishment of the system establishes a starting point for later coincidence verification of functional domain and operational domain of a program.

程序运行域的确定对于测试数据的选取，尤其对边界值分析，有着直接的指导作用，是本文研究工作的基础和重要的组成部分。

According to the characteristics of altimetric satellite's orbit, this thesis systematically studies the theory and methods of satellite altimeter data processing. The content includes the analysis of satellite's radial error in time domain and in space domain, the spectra characteristics of collinear tracks and crossover points distribution, the integral method and the computation and analysis of Topex altimeter data.

本文针对测高卫星轨道及地面轨迹所独有的特点，较系统地研究了卫星测高数据处理的理论与方法，内容涵盖了测高卫星径向轨道误差的时域特征分析与空域特征分析、共线轨迹与交叉点分布等的谱特征、整体求解法的研究以及Topex测高数据的初步计算与分析。

Domain analysis is adopted to find and record the commonness and the difference in a given domain .

领域分析是发现和记录某个领域的共性和差异的过程，是系统化，形式化，有效重用的关键。

Include Baidu, we are not each enterprise is cast very well and truly, but comparatively, I still think this domain inside in broadband and wireless domain inside can have a lot of a lot of opportunities, actually this also is the feeling of commonsensible sex, myself feels computer is already enough and powerful, but I did not feel the mobile phone is enough and powerful, I also did not feel bandwidth is in the home high to me inside online whats can do the broadband, the edge includes video here, also include to be in wireless when, you are not done in on the road a lot of things, the meeting side here has a lot of a lot of opportunities to come out.

包括百度，我们并不是每一个企业都投得非常准确，但是相对来讲，我还是认为这个领域里边在宽带和无线领域里边会有很多很多机会，其实这个也是常识性的感觉，我自己感觉电脑已经足够强大了，但我并没有感觉到手机足够强大，我也并没有感觉到带宽高到我在家里边宽带上网什么都可以干了，这里边包括视频，也包括在无线的时候，你在路上很多事情做不了，这里边会有很多很多机会出来。

Also introduced 3 kinds of methods to serve as a frequency domain data to change the theoretical foundation that is time domain data at the same time, namely law of Fourier progression law, fast Fourier commutation and Chirp-z commutation law, made corresponding assessment to these 3 kinds of methods.

同时也介绍了3种方法作为把频域数据转换为时域数据的理论基础，即傅里叶级数法、快速傅里叶变换法和Chirp-z变换法，并对这3种方法作了相应的评价。

Owing to the properties of wavelet packet functions such as compact support in time domain, localization in frequency domain and orthogonalities, the performance of the proposed system is enhanced greatly.

为了节约系统带宽，论文提出了小波包函数的"有效支撑长度"的概念，通过合理调节"有效支撑长度"上的小波包函数的长度达到节省系统带宽的目的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。