单片数字信号处理器(Digital Signal Processor,DSP)的处理能力无法满足某飞行控制系统的需求。为此采用两片浮点DSP处理器TMS320C6713B构成高速并行信息处理系统。为实现双DSP之间的高速通信,系统利用DSP集成的HPI模块进行双DSP的互连...单片数字信号处理器(Digital Signal Processor,DSP)的处理能力无法满足某飞行控制系统的需求。为此采用两片浮点DSP处理器TMS320C6713B构成高速并行信息处理系统。为实现双DSP之间的高速通信,系统利用DSP集成的HPI模块进行双DSP的互连。介绍了系统的整体框架及软件设计,并对基于HPI互连的关键技术加以详细说明。实践证明此系统通信速率高、处理速度快、系统体积小、功耗低。展开更多
Currently,the mainstream vector network analyzer employs embedded computer module with a digital intermediate frequency(IF)board to form a high performance windows platform.Under this structure,the vector network anal...Currently,the mainstream vector network analyzer employs embedded computer module with a digital intermediate frequency(IF)board to form a high performance windows platform.Under this structure,the vector network analyzer needs a powerful encoding system to arbitrate the bus acquirement,which is usually realized by field-programmable gate array(FPGA)chip.The paper explores the shared bus design method of the digital signal processing(DSP)board in network analyzer.Firsty,it puts an emphasis on the system structure,and then the shared bus communication method is described in detail;Finally,the advantages of the shared bus communication mechanism are summanzed.展开更多
文摘单片数字信号处理器(Digital Signal Processor,DSP)的处理能力无法满足某飞行控制系统的需求。为此采用两片浮点DSP处理器TMS320C6713B构成高速并行信息处理系统。为实现双DSP之间的高速通信,系统利用DSP集成的HPI模块进行双DSP的互连。介绍了系统的整体框架及软件设计,并对基于HPI互连的关键技术加以详细说明。实践证明此系统通信速率高、处理速度快、系统体积小、功耗低。
文摘Currently,the mainstream vector network analyzer employs embedded computer module with a digital intermediate frequency(IF)board to form a high performance windows platform.Under this structure,the vector network analyzer needs a powerful encoding system to arbitrate the bus acquirement,which is usually realized by field-programmable gate array(FPGA)chip.The paper explores the shared bus design method of the digital signal processing(DSP)board in network analyzer.Firsty,it puts an emphasis on the system structure,and then the shared bus communication method is described in detail;Finally,the advantages of the shared bus communication mechanism are summanzed.