基于DDS技术的听力学纯音、短纯音刺激器研制  

Development of auditory Pure tone,Brief tone stimulator with DDS

作　　者：陆为民[1] 杨军[1] 裴刚[1] 彭承琳[2] 吴宝明[3] 

机构地区：[1]武警上海总队医院,上海市201103 [2]重庆大学生物医学工程学院,重庆市400044 [3]第三军医大学野战外科研究所,重庆市400044

出　　处：《医疗卫生装备》2003年第4期10-12,共3页Chinese Medical Equipment Journal

摘　　要：DDS是新一代频率合成器,与传统的频率合成器相比,DDS具有低成本、低功耗、高分辨率和快速转换时间等优点。其在纯音、短纯音刺激器研制中的应用,减少了系统体积,降低了功耗,增强了系统的可靠性和系统功能开发的灵活性,且能灵活性地适应不同刺激的要求。DDS is a new type of digital Synthesizer.Comparing with traditional synthesizer technology,DDS has the advantage of low costs,low power dissipation,high resolution and high speedy frequency turning,Which used in the design of Pure tone,brief tone stimulator can decrease the bulk of the whole system,reduce its power dissipa-tion,improve its reliability and agility,and easily to fit the requirements of different stimuli modes.

关 键 词：听力测定 DDS技术 频率合成器 声刺激器 纯音 短纯音 研制 

分 类 号：R197.39[医药卫生—卫生事业管理]