作　　者： ; ; ;

机构地区： 中北大学电子与计算机科学技术学院电子测试技术国家重点实验室

出　　处： 《火炮发射与控制学报》 2010年第4期92-94,98,共4页

摘　　要： 传统的遥测PCM数据由于芯片等硬件条件的制约很难实现数据的高速解码以及安全存储,因此选用逻辑资源丰富、支持算法级语言描述以及易于通过硬件语言描述的可编程逻辑器件FPGA作为系统的中央处理器和控制器。高速遥测PCM数据通过DS26C32电平转换器和解码软件模块实现10Mbps码流数据的接收,同时运用AES加密软件模块对解码数据进行AES加密,并实现加密数据的编帧存储。 Because of the limitation of chips and other hardware conditions in the data,the traditional PCM telemetry data are difficult to achieve high-speed decoding as well as secure storage,thus a kind of programmable FPGA logic device was used to serve as the central processing unit and controller of the system.Its logical resources are rich to support the algorithm-level language description,and it is easy to adopt hardware description language.High-speed PCM telemetry data realize the reception of 10Mbps data flow with the aid of DS26C32 level converter and decoding software module.AES encryption of decoding data were carried out by use of AES encryption software module,and compiled frame storage of encrypted data was performed.

关 键 词： 仪器仪表技术 数据 加密存储 存储系统

领　　域： [自动化与计算机技术] [自动化与计算机技术]