This paper discusses communication mechanism for MPI,analyses particularly the MPICH s hierarchical structure of message passing,interface of transmission,the methods of data-copy and queue-management during messages sending and receiving in the standard communication mode.

Real-Time I/Q baseband signal generator can follow up closely and be changedwith the requirement of digital communication standard.

Based on analyzing technical requirements of this system, we propose the intelligent scheme of the floor supervisory control system in site bus, and emphatically discuss several communication standards as well as their practice in this system with given specific interface circuits.

According to the ideas of fuzzy model diagnosis,we established a standard model which is used to identify the lubricity of reservoir with fuzzy model of gas logging index.

Combined with the practice of the development of The Asking and Approving System for the Government,the author pointed out the significance of data mining in an information system,designed a standard model for information filtering,and accomplished the examination and approbation the applying information with decision-tree arithmetic or clustering arithmetic respectively.