A Novel Self-mixing Sensor Architecture Using a PLL for Noise Immunity

被引：0

作者：

Zigenbine, Ezra ^{[1
]}

Kliese, Russell ^{[1
]}

Bertling, Karl ^{[1
]}

Rakic, Aleksandar D. ^{[1
]}

机构：

[1] Univ Queensland, Sch Informat Technol & Elect Engn, Brisbane, Qld 4072, Australia

来源：

PROCEEDINGS OF 2010 CONFERENCE ON OPTOELECTRONIC AND MICROELECTRONIC MATERIALS AND DEVICES (COMMAND 2010) | 2010年

基金：

澳大利亚研究理事会;

关键词：

LASER-DIODE;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The accuracy and maximum range of a self-mixing laser range finder are limited by the SNR of the self-mixing signal. In this work we have proposed a PLL sweep technique that was demonstrated to dramatically improve the noise immunity of a self-mixing range finder. It allowed operation with a non-cooperative target over a range of 200-900 mm and improved the self-mixing SNR by more than 20 dB.

引用

页码：97 / 98

页数：2

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