基于软件无线电架构的手持式频谱仪硬件设计  

Hardware Design of Handheld Spectrum Analyzer Based on Software Radio Architecture

作　　者：郭敏 庄信武[2] 王向东[2] 张杰[3] 

机构地区：[1]榆林学院能源工程学院测控教研室 [2]中国人民解放军96658部队 [3]厦门软件职业技术学院

出　　处：《计算机测量与控制》2018年第1期296-299,共4页Computer Measurement &Control

基　　金：榆林学院高层次人才科研启动基金(11JK60)

摘　　要：以手持式频谱仪为背景,设计一种基于软件无线电架构的、高集成度的、低功耗的手持频谱测量平台;该平台采用Xilinx公司28nm高性能功耗比Spartan 7序列的FPGA芯片XC7S100和TI公司集DSP和ARM为一体的双核CPU芯片OMAP-L138为主处理器,选用低功耗、高宽温、自身发亮的AMOLED屏为人机交互模块,通过EMIFA、UPP等外部拓展接口及强大的数据处理能力,结合时钟、电源模块,形成了并行与浮点计算优势互补的手持式数字信号处理系统,解决了频谱仪中频、零频信号的并行处理及复杂的浮点模型解算问题,该系统能具有体积小、精度高、高性能功耗比等特点,在户外等测试现场具有广泛的运用前景。Based on the hand-held spectrum analyzer,a highly integrated,low-power handheld spectrum measurement platform based on software radio architecture was designed.The platform used the Xilinx Inc.28 nm high-performance power consumption-the Spartan 7 sequence FPGA chip XC7 S100,and the TI Inc.DSP and ARM dual-core CPU chip OMAP-L138 as the main processor.And low power consumption,high temperature,own bright AMOLED screen for the human-computer interaction module.Combined with clock,power module,the EMIF,UPP external bus expansion interface and powerful data processing capabilities,parallel and floating-point computing complementary digital signal processing system was presented,which could solve the spectrum analyzer IF,zero-frequency signal processing and complex floating point model solution problem.The system can have the characteristics of small volume,high precision and high performance power consumption ratio,and wide application prospect in outdoor and other test sites.

关 键 词：手持式 频谱仪 FPGA OMAP 

分 类 号：TB47[一般工业技术—工业设计]