trend display
1.Some programming methods and program implimentation of key technology are presented for the computer monitoring software in the mode of an English DOS,which include such functions as keyboard input,quick graphics process,trend plots display of history data,Chinese display,etc. These programs are easy to realize and their running result is good.
4.Abstract: Displaying design,as a way of space communication,conveys information or disseminates some ideas by means of space and form design,visual images,color,illumination,sound and demonstration.Among its striking art features are the four-dimentional design,a perfect blending of art with technology,the scientific process of design,and the higher artistic position.The modern displaying design shows its trend in the flexibility of space layout,the diversity of information carriers,the modern and true-to-life display form,the more opening,transparency and involvement,and the strong emphasis on the effect,the benefit and the efficiency.
5.Virtual instruments delegate the direction of instruments. Conform the trend of instrument development, in this thesis the author adopts Lab Windows/CVI software development environment based on ANSI C library, using skillfully DLL technique, develops virtual signal generation, virtual display instrument respectively based on sound card and ACL-8111 data acquisition card, part of advanced arithmetic about inline signal such as small wave analysis, small wave package analysis and BP nerve network.
7.The software realize the exceptional messages extract of gas concentration data, and display abnormal symptom of gas concentration change trend and scope by real-time graphics before gas outburst, can reflect the forepart signal of the gas outburst, give a significant guide for reduce the loss and ensure safe production of coal mine.
