Development And Realization Of Weather Facsimile Receiver Software Based On VxWorks

Nowadays, the demand for data of weather information is no longer limited in some professional fields, such as military field or marine department, more and more people begin to be concerned about weather forecast and maritime information. One of primary approaches to get weather information is to use weather facsimile receivers. However, most of the weather facsimile receivers of our country are designed for professional fields with a big size. Compared with the same products abroad, our weather facsimile receivers drop behind in capability, and its stand-alone design reduce the utilization ratio of the weather information.The paper presents a new-style blue print of weather facsimile receiver, which combines with Webserver network technology and embedded VxWorks. Its control mode is based on the IE browser/server mode, and user can get weather information form IE browser. The weather facsimile receiver allows multi users to operate at the same time, and gives different authorities from different users. Webserver network technology makes the resource of the weather information can be fully utilized. Due to the introduction of embedded technique, the size of the weather facsimile receiver becomes smaller.User management function plays an important role in the aspect of stability in the weather facsimile receiver. In order to make the functions' distribution clarity, the paper divides the operation panel into two main sections, fax control panel and image operation panel. Two sections display on different operation layer. Users can choose correlative functions in respective layer conveniently.The huge improvement of the performance of the Webserver weather facsimile receiver has been achieved, not only in receiving fashion, but also in display of weather information. More real time information can be showed in receiving window than ever before. The application of computer image processing technique also adds new function to the weather facsimile receiver so that the quality and the visual effect of the charts are improved greatly.