Zhao Jianguang

  • Citations Per Year
Learn More
In this paper, Network access control system structure and network security technologies are commonly used research. On this basis, a random number generator, packet key encryption algorithms DES, RSA public key system and the message authentication code MAC as the main security policy, design and implement network access control system network security(More)
The paper introduces current character recognition and using artificial neural network for pattern recognition theory, studies the BP neural network technique in character recognition system, expounds the application of the recognition system of basic principle, model and analysis results of recognition, and some Suggestions are put forward.
  • Z Jianguang
  • Risk analysis : an official publication of the…
  • 1993
The People's Republic of China suffers each year from various environmental hazards. Although risk perception study has a 40-year history in Europe and North America, little is known about risk perception in China. Previous studies of risk perception have primarily focused on unnatural hazards, but China has experienced many natural environmental hazards.(More)
  • 1