Abstract

In order to meet the requirement of high speed and real time data transmission of large field of view space remote sensing camera, a reliability transmission strategy on the base of TLK2711 is proposed. First, the communication mechanism of TLK2711 and the 8B/10B coding principle are analyzed. According to the minimum transmission protocol, the paper develops a simplest protocol used to high-speed serial transmission. Then, in order to further enhances the signal integrity in the transmission process, a half-ECC algorithm is applied and it is easy to implement in hardware. Finally, the system experiment is performed on a high-resolution multispectral TDICCD camera. Experiments verifies that the proposed transmission strategy can effectively reduce the number of transmission lines to 1/24 of the traditional transmission lines, simplifying the camera interface, and also complete point-to-point serial transmission with a data rate of 1.76 Gbps. It can be seen that the single particle flip event can be effectively corrected during the data transmission process through sending self-calibration graph. The proposed transmission strategy ensures the signal integrity of remote sensing camera image transmission, and meet the miniaturization and light-duty of the system.

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