【摘要】 针对空间通信系统中帧同步的数据吞吐率问题,基于CCSDS标准,结合FPGA技术,提出了一种高速并行帧同步方法.首先在Modelsim SE-64 10.2仿真软件上进行了仿真测试,然后通过ISE Design Suite 14.4进行综合、实现,最后在Xilinx的FPGA器件Kintex-7XC7K325T上进行了板上测试.在Kintex-7XC7K325T上,该并行帧同步系统的实现可以达到1Gbit/s以上的数据处理速率.仿真和测试结果表明,该方法采用并行结构以及流水线结构,大大提升了系统的数据吞吐率,同步稳定可靠,并具有帧同步码容错功能.更多还原

【Abstract】 An method to perform high speed parallel frame synchronization based on CCSDS standard and FPGA technology is presented for data throughput in space communication.Firstly,logic simulation is made on Modelsim SE-64 10.2.The synthesis and implementation are made according to ISE Design Suite 14.4,and board test is performed in Xilinx Kintex-7 XC7K325 T.Its implementation on Xilinx Kintex-7 XC7K325 T achieves a data throughput up to 1Gbit/s.The simulation and test results show that with parallel architecture and pipeline architecture,the frame synchronization speed is improved enormously and steadily.The design also takes error margin into account.更多还原