A kind of imaging system used in the moving target tracking was designed
and it used area CCD ICX415AL as sensor. This system carried out optical joining together with two slices of the area CCD
and made them complete share surface. So
this can make angle of visual field increase one time under guaranteeing the constant condition of goal resolution capacity
and solve the requirement of the big visual field of searching goal. First
the structure and the specification of area CCD ICX415AL sensor are introduced in this paper
then the circuits of working clock and power driver for the sensor are proposed. The noises of the video signal (KTC noise and 1/f noise) are filtered by using the correlated double sampling (CDS) technique
and the signal-to-noise ratio of the system is also enhanced. For get good imaging quality
radiation scale must be done after design. According to the scale experiment data given in the paper
the radiation dynamic range and the best working point of the system have been determined. Entire system adopts the Field Programmable Gate Array ( FPGA ) as key controller
and hardware is designed by the software which is based on the modularization design method from top to bottom. The development efficiency has been enhanced.