Articles By zhu yong

We mainly concern the security of chaotic block cryptographic algorithms and proposed two novel cryptosystem. Then the simulation and analysis has verified the algorithm's excellent security performance.

Asset investment theory was first used by well-known American economist Harry Markowitz who the founder of portfolio theory systematic proposed in 1952. In 1952, he published the historic paper-"Portfolio Selection" and Monograph with the same name was published in 1959, describes the main principles and methods of the security returns and risk analysis, established the basic framework of the Mean-variance portfolio model, established a solid theoretical foundation for the securities portfolio theory's rapidly enrich, expand and improve at this several decades.

The relationship between media and audience is the media the most important operations of a relationship. In the current fierce competition in the media, as the media audience (or group) the focal point of, has become a fact beyond reproach.

Accounting information is the basis of social economy running effectively, the quality of it will directly affect the interests of investors and the state's macroeconomic policy-making. From the end of the 20th century to the present, there have been many false accounting information and financial fraud cases both at home and abroad. How to reinforce the regulation of the accounting information market is all the government in the world concentrates on all the time.

The present study aims to examine these interactional devices through qualitative analysis as well as quantitative analysis.

This study uses the data from 2003 to 2007, and then will adopt the principal component analysis to gets 7 performance indicators.

With the rapid and stable economic increase of China, the income of the urban and rural residents is continuously growing. On one hand, the growing residents' wealth and the reform of the social security system will certainly result in the increase of their personal finance awareness and demands. On the other hand, the personal financial services of commercial banks have developed more than ten years in our nation, but it hasn't been several years before it was really paid attention by the domestic banks and recognized by the residents.

This paper studies on surface roughness, dimensional accuracy and mechanical properties by selecting parameters such as direction and layer thickness.

This article tries to explain the capital optimization theory and its application in China's commercial banks.

After China's rural financial organization system from single to multiple, from a planned to a market-changing process, step by step toward improved support for economic development have become increasingly evident.

The objective of this paper is to shed some lights on the effectiveness of the fiscal (tax) incentives provided by these countries, and the results from an empirical analysis show that the provision of fiscal (tax) incentives by local authorities would exert a positive impact on the overall inflow of FDIs to the region.

In order to avoid the downtime and service interruptions caused by computer failure, it is necessary to improve the stability and availability of the business processing system as much as possible.

This paper has important application value in the field of knowledge organization and information retrieval, and meanwhile it expands correlation research between concepts.

An automatic inspection system of LCD projector based on machine vision technology was designed and implemented. Through simulation experiments in the laboratory, the feasibility of the system was validated.

This paper extracts EP signal with single-trail in single channel through PCA processing, with EMD, gets the pre-estimated signals, through algorithm derivation and founding a model, gets the EP with single-trail in single channel.

Tomato soilless seedling medium was used local resources. Nutrient solution formula and plant regulation measurement were studied at the basis of preliminary study.