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基于PGC解调的激光多普勒语音检测系统
张勤; 张建勇; 曾华林; 李丽艳; 周燕
2011
Source Publication红外与激光工程
Volume40Issue:6Pages:1115-1118
Abstract提出了一种可实现非接触、远距离、高灵敏度的激光多普勒语音检测系统。该系统采用压电陶瓷(PZT)对迈克尔逊干涉仪的参考信号进行调制,利用相位产生载波法(PGC)对干涉信号解调,提高了零差干涉法的抗干扰性,并且具有光路简单、成本低等优点。推导了干涉信号的解析表达式,数值分析了PGC解调参数的最优值。实验结果表明:该系统能动态测量音频范围内的微弱振动,可较好地语音信号。
metadata_83光电系统实验室
Subject Area光电子学
Funding Organization国家自然科学基金,国家973计划,北京交通大学人才基金
Indexed ByCSCD
Language中文
CSCD IDCSCD:4267526
Date Available2012-07-17
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/23265
Collection光电系统实验室
Recommended Citation
GB/T 7714
张勤,张建勇,曾华林,等. 基于PGC解调的激光多普勒语音检测系统[J]. 红外与激光工程,2011,40(6):1115-1118.
APA 张勤,张建勇,曾华林,李丽艳,&周燕.(2011).基于PGC解调的激光多普勒语音检测系统.红外与激光工程,40(6),1115-1118.
MLA 张勤,et al."基于PGC解调的激光多普勒语音检测系统".红外与激光工程 40.6(2011):1115-1118.
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