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微机械IMU数据建模与滤波方法研究 总被引:6,自引:0,他引:6
针对轮式移动机器人内部的微机械(MEMS)IMU进行研究,采用时间序列分析方法建立其随机噪声的ARMA模型,进而通过Kalman滤波有效地降低MEMSIMU随机噪声对其精度的影响,频域分析结果表明文中建模和滤波方法对提高MEMSIMU精度的有效性。 相似文献
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Quantitative and sensitive detection of prohibited fish drugs by surface-enhanced Raman scattering 下载免费PDF全文
Rapid and simple detections of two kinds of prohibited fish drugs, crystal violet(CV) and malachite green(MG),were accomplished by surface-enhanced Raman scattering(SERS). Based on the optimized Au/cicada wing, the detectable concentration of CV/MG can reach 10~(-7) M, and the linear logarithmic quantitative relationship curves between log I and log C allows for the determination of the unknown concentration of CV/MG solution. The detection of these two analytes in real environment was also achieved, demonstrating the application potential of SERS in the fast screening of the prohibited fish drugs, which is of great benefit for food safety and environmental monitoring. 相似文献
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