中文说明：主要为数据分析和统计，关于超声波倒车雷达测距的，对于初学者具有参考意义，基于kaiser窗的双谱线插值FFT谐波分析，基于matlab GUI界面设计,有借鉴意义哦。
English Description：
Mainly for data analysis and statistics, about ultrasonic reversing radar ranging, for beginners has reference significance. Based on Kaiser window double spectrum line interpolation FFT harmonic analysis, based on Matlab GUI interface design, reference oh.