This is a paper about laser gyro sign a l processing circuit which is designed based on field-programmable gate array(FPGA) and digital signal processor(DSP).Through a pre-amplifier circuit,FPGA and DSP,a weak current...This is a paper about laser gyro sign a l processing circuit which is designed based on field-programmable gate array(FPGA) and digital signal processor(DSP).Through a pre-amplifier circuit,FPGA and DSP,a weak current signal is converted and transferred,then sent to the computer to display the final results.Through the laser gyro performance te sting,the obtained results coincide with those of the existing methods.Thus th e d esigned circuit realizes the function of laser gyro signal processing.展开更多
数字信号处理(Digital Signal Process,DSP)+可编程阵列逻辑(Field Program Gate Way,FPGA)正在广泛应用于复杂的数字信号处理领域。针对DSP与FPGA单个处理器性能有限、不够灵活等问题.提出DSP+FPGA架构的系统设计方案.基于TMS320C6748(...数字信号处理(Digital Signal Process,DSP)+可编程阵列逻辑(Field Program Gate Way,FPGA)正在广泛应用于复杂的数字信号处理领域。针对DSP与FPGA单个处理器性能有限、不够灵活等问题.提出DSP+FPGA架构的系统设计方案.基于TMS320C6748(DSP)和EP3C40Q240C8N(FPGA)芯片的外部存储器接口(External Memory Interface,EMIF)实现了DSP+FPGA的协同处理系统。该系统利用FPGA在底层算法的优势与DSP在复杂算法的优势,具有硬件结构灵活、通用性强等特点,相较于单个芯片提高了系统性能,经过测试该系统运行稳定,无误码时通信速率可达到20 MB/s.展开更多
文摘This is a paper about laser gyro sign a l processing circuit which is designed based on field-programmable gate array(FPGA) and digital signal processor(DSP).Through a pre-amplifier circuit,FPGA and DSP,a weak current signal is converted and transferred,then sent to the computer to display the final results.Through the laser gyro performance te sting,the obtained results coincide with those of the existing methods.Thus th e d esigned circuit realizes the function of laser gyro signal processing.
文摘数字信号处理(Digital Signal Process,DSP)+可编程阵列逻辑(Field Program Gate Way,FPGA)正在广泛应用于复杂的数字信号处理领域。针对DSP与FPGA单个处理器性能有限、不够灵活等问题.提出DSP+FPGA架构的系统设计方案.基于TMS320C6748(DSP)和EP3C40Q240C8N(FPGA)芯片的外部存储器接口(External Memory Interface,EMIF)实现了DSP+FPGA的协同处理系统。该系统利用FPGA在底层算法的优势与DSP在复杂算法的优势,具有硬件结构灵活、通用性强等特点,相较于单个芯片提高了系统性能,经过测试该系统运行稳定,无误码时通信速率可达到20 MB/s.