DSP(数字信号处理)在高频信号检测中的应用开发  

EXPLOITATION AND APPLIANCE OF DSP (DIGITAL SIGNAL PROCESSING) FOR HIGH FREQUENCY SIGNAL DETECTING SYSTEM

作　　者：周慕靖[1] 龙利佳[1] 陈健[1] 康琳[1] 许伟伟[1] 吴培亨[1] 

机构地区：[1]南京大学超导电子研究所,南京210093

出　　处：《低温物理学报》2007年第1期21-26,共6页Low Temperature Physical Letters

基　　金：科技部973计划(项目编号:2006CB601006);国家自然科学基金(项目编号:60571007)资助的课题~~

摘　　要：利用约瑟夫森效应获取电磁信号的频谱信息是超导电子学的重要应用之一.为了解决高频信号频谱检测系统数据采集慢、体积庞大的问题,开发了基于DSP芯片的数据采集及处理系统.研究了系统硬件的搭建和相关程序的开发.用其检测98GHz高频信号,并与HP34401数字万用表采集的结果进行了比较.使得系统更加小型化、集成化、硬件结构简单.It is an important application of superconducting devices to achieve the spectral information of high frequency signal by using the Josephson junctions. In order to improve the speed of data acquisition and retrench the high frequency signal detecting system, a data-acquisition and transacting system is put forward based on DSP. The establishment of the hard platform and the development of correlative application programs are also studied. Using this DSP system, high frequency signal at 98 GHz has been detected. Ths system has been compared with HP34401. It make the old system more compact.

关 键 词：数据采集 DSP TMS320F2812 A/D采样 串行通信 

分 类 号：TN911.7[电子电信—通信与信息系统] TN911.23[电子电信—信息与通信工程]