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介绍了在DMA方式下的远程高速数字通讯技术 .它采用并行RS42 2A方式 ,把DMA的快速性和RS42 2A的远程性的优点结合在一起 .此技术已成功的应用于CT ,DSA等医学影象设备与PC机的图象传输技术中 ,此技术在其他数据传输量大、距离远、速度高的场合都有着重要的应用价值
This paper introduces the remote high-speed digital communication technology in DMA mode, which uses the parallel RS42 2A method to combine the advantages of DMA fastness and RS42 2A remoteness.This technology has been successfully applied to medical imaging such as CT and DSA Image transmission technology such as equipment and PC, this technology in other large amount of data transmission, long distance, high speed applications have an important value