为了更好地解决数字信号处理器的应用程序加载问题,以TMS320C54xx系列DSP(Digital Signal Processor)为对象,对DSP主机接口自举方式进行研究,结合引导模式选择流程,设计了基于DSP主机接口实现程序自举的硬件电路,定义了程序自举所需数...为了更好地解决数字信号处理器的应用程序加载问题,以TMS320C54xx系列DSP(Digital Signal Processor)为对象,对DSP主机接口自举方式进行研究,结合引导模式选择流程,设计了基于DSP主机接口实现程序自举的硬件电路,定义了程序自举所需数据格式。在此基础上,确立了通过DSP主机接口完成自举的MCU(Microcomputer Unit)程序流程。实验结果表明,该方法降低了系统的设计复杂度,提高了系统的可扩展性。为数字信号处理应用系统的设计提供了参考。展开更多
为了保证空间光通信图像处理系统快速、稳定处理CCD(charge couple device)图像和与上位机进行数据交换,设计了基于HPI(Host Port Interface)的主-从机系统。通过从机提供的HPI主机实现从机与上位机间的数据交换;从机程序HPI引导加载;...为了保证空间光通信图像处理系统快速、稳定处理CCD(charge couple device)图像和与上位机进行数据交换,设计了基于HPI(Host Port Interface)的主-从机系统。通过从机提供的HPI主机实现从机与上位机间的数据交换;从机程序HPI引导加载;对从机的故障诊断和系统测评。介绍了HPI硬件设计原理和系统软件设计基本思想。展开更多
Satellite signal simulator for global navigation satellite system(GNSS)can evaluate the accuracy of capturing,tracing and positioning of GNSS receiver.It has significant use-value in the military and civil fields.The ...Satellite signal simulator for global navigation satellite system(GNSS)can evaluate the accuracy of capturing,tracing and positioning of GNSS receiver.It has significant use-value in the military and civil fields.The system adopts the overall design scheme of digital signal processor(DSP)and field-programmable gate array(FPGA).It consists of four modules:industrial control computer simulation software,mid-frequency signal generator,digital-to-analog(D/A)module and radio frequency(RF)module.In this paper,we test the dynamic performance of simulator using the dynamic scenes testing method,and the signal generated by the designed simulator is primarily validated.展开更多
文摘为了更好地解决数字信号处理器的应用程序加载问题,以TMS320C54xx系列DSP(Digital Signal Processor)为对象,对DSP主机接口自举方式进行研究,结合引导模式选择流程,设计了基于DSP主机接口实现程序自举的硬件电路,定义了程序自举所需数据格式。在此基础上,确立了通过DSP主机接口完成自举的MCU(Microcomputer Unit)程序流程。实验结果表明,该方法降低了系统的设计复杂度,提高了系统的可扩展性。为数字信号处理应用系统的设计提供了参考。
文摘为了保证空间光通信图像处理系统快速、稳定处理CCD(charge couple device)图像和与上位机进行数据交换,设计了基于HPI(Host Port Interface)的主-从机系统。通过从机提供的HPI主机实现从机与上位机间的数据交换;从机程序HPI引导加载;对从机的故障诊断和系统测评。介绍了HPI硬件设计原理和系统软件设计基本思想。
基金Shanxi Provincial Science and Technology Research Fund(No.2012021013-6)
文摘Satellite signal simulator for global navigation satellite system(GNSS)can evaluate the accuracy of capturing,tracing and positioning of GNSS receiver.It has significant use-value in the military and civil fields.The system adopts the overall design scheme of digital signal processor(DSP)and field-programmable gate array(FPGA).It consists of four modules:industrial control computer simulation software,mid-frequency signal generator,digital-to-analog(D/A)module and radio frequency(RF)module.In this paper,we test the dynamic performance of simulator using the dynamic scenes testing method,and the signal generated by the designed simulator is primarily validated.
