Design And Implementation Of A New Generation Of Doppler Weather Of Base Data Database System

With higher frequency of radar using and widening of radar using area, caused by increasing construction of Doppler weather radar network, it certainly will lead to explosive accumulation of radar data. Therefore, how to store and utilize these data in an effective way, including multiple exploitation, turns into a common topic among weather radar staff. In addition, the development of meteorological operation, teaching and researching work also bring this job forward. The high development of computer science gives us a good opportunity to solve this problem. The most effective way of data preservation and utilization is that we should build a Doppler radar database system with computer technology to manage these important data. This paper tries to design a database system of meteorological Doppler radar data for radar stations at present. This system can also be used as a reference managing the regional radar network constructed by different radars, and the whole radar network in China.Chapter one in this paper gives a brief introduction of China's Doppler radar network, expounds the purpose and significance of developing radar database system and tells the research content and idea of this database system. The second part analyses the designing of database structure; the third part tells the designing work of database management system from the framework of management system and system modules, the fourth part introduces the usage of DRDS (Doppler Weather Radar database system).This radar database system fits for China's radar network using object-oriented programming design method, recording some important parameters of radar data: the longitude, latitude of radar station, radar type, radar wavelength, radar data format, weather kind (kind of intensity radar echo, schema of velocity radar, echo shape) embodying in the radar data, etc. It also records the weather course information embodying in a series of relational radar data: the beginning time of weather course, the ending time of weather course, weather type, etc and the disk information, including recording time, recording contents, recording data number and weather type, etc. Above all, this system realizes some basic operational processing: adding, deletion , updating, query of records and also some assistant functions: exportation ,data transformation, displaying ,backing up of data.