基于TMS320C6678的恒虚警和目标凝聚算法的实现-电子与通信工程专业论文.docxVIP

研究生优秀毕业论文 Absbmct Absbmct 硕士论文 Abstract CFAR aIld target cohesion are both key algOrithms in radar sigdaJ processing to improve the perfonn锄ce of detection a11d accuI．acy．Modem radar signal processing systems are generally based on FPGA+DSP architecture．In real-time systems，DSP must equipped with powerful computing capabilit)r a11d la唱e data traIlsmission baIldwid廿1．Combined wim “comprehensive)o(x radar’project，a plan to realize cFAR and ta曙et cohesion algorimms on TMS320C6678 is proposed． First tms paper a11alyzes廿1e baSic principle of the GOLCFAR，the clutter map CFAR，the traditional taI驾et cohesion a11d the co皿ected domain ta玛et cohesion based on the contour tracking of bina巧image．The simulation of each algoritllm module pr0Vides theOretical suppon for t11e realization on hardware．Then、ve resrach也e t11ree interfaces technology of TMS320C6678，namely，S砌0，GPIO a11d Gigabit Ethemet．Wb desigll me sof【ware of each inte商虬e aJld debug them．The debug of廿1e tllree inte矗∞es Verifies the correc仃less aJld reliabili够of协msmission，so廿1e probIem of data transmission between DSP and FPGA or host computer is soIved．The next we proposes an impIementation of three channel CFAR aJld target cohesion a190rithms due to fbur cores：core 0 is used t0 receiVe aIld send data，aIld core 1~cOre 3 are used to run CⅣ岷aIld ta唱et cohesion of eVeDr channel．’rhe CⅣ峡algoritm is optimized by 1inear assembly，the data trallspose is optimized by EDMA3，a11d the co衄ected domain target cohesion is adopted．Because EDMA3 trallspose call nm、)l，ithout CPU inteⅣention，it can operate the neXt row、^，itll CFAR w|1ile transposing，wllich greatly reduces the time of CFAR processing．Co皿ected domain target cohesion caIl not only SolVe the spurious targets problem of仃{lditional cohesion，but also has a faster realization becaus