中国激光, 2020, 47 (3): 0304006, 网络出版: 2020-03-12
三角波调制在激光测距中的应用研究 
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Triangular-Wave Modulation in a Laser Ranging System
图 & 表
图 3. 三角波调制激光测距系统的信号处理算法流程图
Fig. 3. Flow chart of algorithm for signal processing of triangular-wave modulation laser ranging system
图 4. 调幅指数和调制波形对信噪比及去噪后相关系数的影响。(a)对信噪比的影响;(b)对去噪后相关系数的影响
Fig. 4. Effects of amplitude modulation index and waveform modulation on signal-to-noise ratio and correlation coefficient after noise reduction. (a) Effects on signal-to-noise ratio; (b) effects on correlation coefficients after noise reduction
图 7. 三角波返回信号的拟合情况。(a) 三角波测量值与拟合回归线之间的拟合残差图;(b)直线拟合方差随大残差数据舍去比例的变化
Fig. 7. Fitting results of triangular-wave return signal. (a) Fitting residual between measured value of triangular-wave and regression value of linear model; (b) fitting variance varied with the ratio of discarded fitting data points
傅勤毅, 周遵梅, 金鼎沸, 王鸿飞. 三角波调制在激光测距中的应用研究[J]. 中国激光, 2020, 47(3): 0304006. Fu Qinyi, Zhou Zunmei, Jin Dingfei, Wang Hongfei. Triangular-Wave Modulation in a Laser Ranging System[J]. Chinese Journal of Lasers, 2020, 47(3): 0304006.
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