查询词典 t distribution

The scheme uses the histogram trans fer matrix between the cover image and stego image, combining fitness bias cause d by using generalized Laplacian distribution to fit the difference histogram, t o estimate the embedded message length.

该方案使用隐写前后图像差分直方图转移矩阵结合对差分直方图广义拉普拉斯分布的拟合偏差实现对嵌入数据长度的估计。

At present, veto still is the foundation and pillar of the United Nations, and it is the buffer of the great powers" contradictions, so veto can"t be abolished. But veto must be limited in order that its negative effect can be reduced.In the Security Council, the proportion of the developing countries is too small, and the geographical distribution is not equitable.

否决权的产生有一定的历史必然性和进步性，现在否决权依然是联合国生存的基础和支柱，是大国矛盾的缓冲器，因此否决权不能取消，但是必须对否决权加以限制，以减少其消极作用。

According to the attitude, spacing and length of the joint cracks, t heir probability distribution was deduced.

根据实测的节理裂隙产状、间距及迹线长度，推断节理裂隙概率分布特征。

Research on the Macro Distribution Plan of Modern Rail Logistics Center;2. Because the transit period of rail goods isn t guaranteed, it has been an important reason of influencing competition ability in the transport market.

系统总结国外铁路投资、补贴、税收政策新发展趋势，分析我国现有的铁路发展政策与国外的差距，指出我国要进一步完善铁路发展政策环境，促进铁路又好又快发展。

Based on this, aim at the disadvantage on Wigner Distribution and Fractional Fourier Transform that can't restrain noise interference effectively when be used to detect Linear Frequency Modulated signals interfered by heavy noises, we proposed a improved WD. Simulation results show that this method can restrain noise interference effectively and improve the ability of LFM signals detection. On the other hand, in multi-component cases, WD suffers from the cross-terms, which may impair some of the auto-terms. In order to separate original multi-component signals into components and reconstruct them separately, we can use the method of optimal filtering in fractional Fourier domain. But this method also has a problem that if signals have aliasing in the fractional Fourier optimal domain as well, the reconstructed signals will be distorted. In this thesis, a novel method of quasi Fourier transform is proposed in order to solve the problem of multi-component signal reconstruction, and have good results.

在此基础上，针对Wigner分布和分数维傅里叶变换在处理高噪声背景下线性调频信号检测的问题时存在不能有效抑制噪声干扰的缺点，提出了改进Wigner分布的办法，该方法能够抑制噪声，提高信号的检测能力；针对Wigner分布在处理多分量非线性调频信号时存在干扰项的缺点，以及分数域最优滤波方法在处理多分量非线性调频信号分离重构问题时存在的局限性，该局限性表现为在对最优分数域上也有信号分量重叠的情况进行处理时重构信号发生畸变，提出了新颖的类傅里叶变换的方法，该方法对在最优分数域上也有信号分量重叠的情况也能处理，得到的重构信号失真很小。

It's well-accepted by now that rapid economic expansion, which has pulled more than 200 million Chinese out of poverty in 30 years, isn't the end game; the quality of growth -- sustainable exploitation of natural resources and a fair distribution of income -- also matters.

蓬勃的经济发展曾经在30年中使2亿人脱贫，但这并不是（ endgame 为象棋中的残局，不知道在此比喻什么样的形式）；经济发展的质量——比如自然资源的可持续开发和财富相对公平的分配——同样重要。

Moderate noise (75、85dBA), didn't has significant effect on simple control and reaction task such as two-hand coordinate tracking, complex reaction time and persuit aiming. After sustained exposure of 1. 5h to noise with intensity of 85、95 dB , there was a tendency to decrease in light tracking performance of dual task (light tracking and oddball vedio-moter reaction) with a very large difference among subjects. The attention distribution between main task and second task changed.

中等强度的噪声（75、85dBA），对于双手协调光标追踪、复杂反应时及目标跟踪等较为简单的操纵和反应并无显著影响；85、95dB强度的噪声持续暴露1.5h，可使双重任务（光标追踪和oddball视觉-运动反应）的光标追踪绩效有降低的趋势，并有很大的个体差异，主、次任务之间的注意分配发生了改变。

The results indicated that the distribution of spot and rot are all "T" shape, there is no relation of spot and rot. To identify material's resistance to low calcium should base on these two symptoms.

结果表明心叶在离体条件下斑点和枯边均呈正态分布，并且二者的发生无相关性，材料抗性的评价应综合斑点和枯边两个症状。

Firstly, Cohen argues, with the falsification of Nozick's argumentation for capitalist initial unequal distribution, that the conclusion of the rightness of appropriation can't be drown even if the principle of self-ownership supported by the thesis of self-ownership is accepted.

其次，柯亨求证了在承认自我所有原则的前提下，实现联合所有意义上的社会主义初始分配的正当性。

A sudden big break doesn't have to be so stressful, though, says Randi Drinkwater, president of Core Potential Marketing, an analytical and strategic marketing firm. If you're marketing to get attention quickly, make sure you have all the back-office elements in place: stocking, distribution, staffing, an e-commerce website, etc.

Randi Drinkwater，Core Potential Marketing公司的主管，他是一名市场战略公司的分析家，他说，突如起来的机遇不应该使她有这么大的压力，如果你的商品在投放市场之后，在很短的时间内就很受到人们的欢迎，那么你就要确保你有足够的应对储备：库存，配送，人员以及电子商务网站等等的要素做准备。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。