In order to sample real images of monitoring target with obtaining the global positioning information(GPS) in environment monitor
the mobile image-positioning instrument is developed.Using images encoded and digital signals compressed
GPS system receiver
the information is transmitted to the center server that is linked to Internet through general packet radio service mobile network.The MCF5272 microprocessor and μClinux operation system are used in the instrument.The cryptogram is used as safety manner of the images and GPS information.It is decrypted
saved and shown in the server when the images and positioning information are received.The sample instrument is made.The gap for remote server to receive images is 8
1
0 s at present experimental condition.The result shows that the instrument based on general packet radio service
mobile network is feasible to obtain positioning and images.