| 移动机器人激光测距中微弱信号的检测与分析 |
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| 引用本文： | 陈睿莹,张正华,刘学,尹丝,邵珠要.移动机器人激光测距中微弱信号的检测与分析[J].电子世界,2014(16):100-101. |
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| 作者姓名： | 陈睿莹 张正华 刘学 尹丝 邵珠要 |
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| 作者单位： | 扬州大学信息工程学院 |
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| 基金项目： | 江苏省大学生实践创新训练计划(项目编号:201311117058Y);扬州市科技计划(项目编号:2012038-8) |
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| 摘 要： | 由于移动机器人在激光接收信号过程中,包含各种噪声会使测量的相位误差大。数字式平均算法的原理可以定量解释对噪声的改善状况,通过激光测距的信号作为研究的对象,解析噪声与信号的本质,来比较了检测方法对与改善信噪比的不同情形,研究激光测距系统中微弱信号的检测技术,可以来提高信噪比,达到研究目的。
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| 关 键 词： | 数字式平均算法 相关检测鉴相法 信噪比 |
Detection and analysis of weak signal laser ranging in a mobile robot |
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| CHEN Rui-ying;ZHANG Zheng-hua;Liu Xue;YIN Si;Shao Zhu-yao.Detection and analysis of weak signal laser ranging in a mobile robot[J].Electronics World,2014(16):100-101. |
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| Authors: | CHEN Rui-ying;ZHANG Zheng-hua;Liu Xue;YIN Si;Shao Zhu-yao |
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| Affiliation: | CHEN Rui-ying;ZHANG Zheng-hua;Liu Xue;YIN Si;Shao Zhu-yao;School of Information Engineering,Yangzhou University; |
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| Abstract: | Because of the laser signal in the mobile robot mixed with noise, the measurement error of phase comparison.this paper introduces the principle of digital average algorithm, quantitative analysis of the method of noise to improve the situation.For the purpose of improving the SN R of aser ranging weak signal detection technology, the approaches are as fnllowed： using laser ranging echo signal as the research object, comparing of different detection methods to improve the signal to noise ratio effect and to achieve the purpose of studying. |
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| Keywords: | Digital average algorithm Correlation detection phase method Signal to noise ratio |
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