查询词典 invariance theorem

The closed shell HF SCF calculations have been carried out for the electron transfer systems corresponding to different values of R, then the Koopmans' theorem is applied to estimate the energy level splitting △, and the relatonship between △ and R has been obtained.

对该电子转移体系进行闭壳层的单点计算，并用Koopmans定理计算了体系的分裂能△，得到△随线性反应坐标R的变化关系。

On the basis of previous theory, the paper puts forward the organization pattern of cluster-based innovation, aiming at studying the deficiency of innovative resources of single company in middle-small enterprises cluster from the point view of theorem.

在已有理论的基础上，论文提出了集群式创新的组织模式，旨在从理论上研究集群内单个企业创新资源不足的问题。

Local codimension two bifurcation of maps,associated with Hopf-pitchfork case,is analyzed using the center manifold theorem and normal form method of maps.

应用映射的中心流形和范式方法，研究了映射在Hopf-pitchfork余维二分岔点附近的参数开折，揭示了含间隙振动系统在余维二分岔点附近的动力学行为。

The recent research has shown that the network coding can make this theorem realized in multicasting network environment.

近来研究表明，网络编码可以使这一理论在多播方式的网络环境中得以实现。

The performance boundaries are acquired through coding and coding theorem.

通过编码和编码定理得到一些重要的性能界限。

ABSTRACT This dissertation presents the author′s research contributions to joint source-channel coding theory and the joint coding theorem...

本文介绍了作者在信源—信道联合编码研究方面所作的主要工作，包括联合编码理论和联合编码算法两部分内容。

We also pursue the relations between 〓-distance and distortion-rate function, and obtain some interesting properties that are useful in the proof of coding theorem.

对于有失真情形，文章在简单总结率失真函数理论发展及其在图象压缩中的应用后，引进了随机场失真率函数的定义并证明了其重要性质。

Basic image coding VC procedures, including Shannon theorem, Huffman coding, bitplane coding in accordance with the importance...

最基本的图像编码VC程序，包括香农定理、霍夫曼编码、位平面编码(按照比特位的重要性编码)等。

Therefore, the most important research areas in the network coding theory include multiple user channel, separation theorem for network coding and privacy capacity region.

网络中的信道通常是有噪声的，目前网络编码理论的研究重点包括经典多用户信道、网络-信道编码分离和网络安全编码等问题。

Its main task is to make students understand clearly and wholly the basic theory, analysis result and the latest development of information theorem and coding by teaching and exercises, which can build a substantial theory basis for studying the subsequent courses on the transmission, storage and processing of information, image and speech source compression and coding, and error-correcting coding for computer communication and wireless mobile communication, as well as the research and development of modern code theory.

它的主要任务是通过教学和习题，使学生对信息与编码的基本理论，主要分析结果以及最新的发展有一个清晰和完整的认识和理解。为学习和研究信息的传输，存储和处理相关类的后续课程，以及图像与语音信源压缩编码、计算机网络通信与无线移动通信纠错编码、以及各种现代密码理论与技术的研究和开发，打下坚实的理论基础。

I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

乌鸦叫。 51-论文网