摘要
首先介绍了用Chirp-Z变换提高液位测量精度的算法原理,然后仿真出了线性调频连续波雷达(LFMCW)在快速傅里叶变换(FFT)、线性调频Z变换(CZT)在理想回波条件下的测距精度;同时分析并比较了两种测距方法对测距精度造成的影响。理论计算和数字仿真结果表明,此算法可显著提高计算效率和液面雷达的测距精度。
A new method of increasing the range measure precision by Chirp-Z transform in the level Rader has been put up in this paper. The main assignment of this research is to accomplish the FFr and Chirp-Z transform At the same time ,the paper analysis the affection of This method can increase both the calculation efficiency and range measure precision remarkably by theory calculating and digital emulation.
出处
《微计算机信息》
北大核心
2005年第12X期188-189,192,共3页
Control & Automation
基金
黑龙江省科委基金资助项目(基金编号:L9611)
