微处理器控制的高精度工业微波测距系统

Conference Proceedings. 10th Anniversary. IMTC/94. Advanced Technologies in I & M. 1994 IEEE Instrumentation and Measurement Technolgy Conference (Cat. No.94CH3424-9) Pub Date : 1994-05-10 DOI:10.1109/IMTC.1994.351824

D.L. Maskell, G. Woods, J. Murray

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引用次数: 5

摘要

介绍了一种采用FMCW/CW复合测量技术的微波测距系统。FMCW雷达用于发现目标的近似距离。利用快速傅里叶变换(FFT)在空域对FMCW雷达回波进行处理。为了在不增加处理时间的前提下提供更高的分辨率，采用了一种改进的“尖桩栅栏”算法。本文还比较了不同分辨率增强技术的实验结果。在FMCW结果的基础上，可以解决精确的连续波距离测量，从而提供精确的亚毫米范围的解决方案。介绍了一种适用于工业应用的基于微控制器的x波段原型系统。

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A microprocessor controlled microwave ranging system for high accuracy industrial applications

A microwave ranging system which employs a composite FMCW/CW measurement technique is described. An FMCW radar is used to find the approximate range of the target. The FMCW radar returns are processed in the spatial domain using the Fast Fourier Transform (FFT). In order to provide higher resolution, without an excessive increase in processing time, a modified "picket fence" algorithm is employed. A comparison of experimental results obtained from alternative resolution enhancement techniques is also included. A precision CW distance measurement is able to be resolved on the basis of the FMCW result to provide an accurate sub-millimetre range solution. A microcontroller based X-band prototype system suitable for industrial applications is described.<>

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Conference Proceedings. 10th Anniversary. IMTC/94. Advanced Technologies in I & M. 1994 IEEE Instrumentation and Measurement Technolgy Conference (Cat. No.94CH3424-9)

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