基于音频特性的西瓜成熟度无损检测技术研究

Research of non-destructive for watermelon maturity based on its acoustic properties

目前西瓜的成熟度的鉴定仍然采用传统的算、看、听、测等方法,这些方法都难以对西瓜成熟度做出精确判断,本文通过分析不同成熟度西瓜样本的拍击音频信号,借鉴国内外的先进技术和经验,提取了和西瓜成熟度密切相关的几种特征,并从中找出1个相关性最高的特征-通带能量向量完成对西瓜成熟度的无损检测。

In view of the high price,fake medicines,difficult distribution and other issues in the rural medicine market,a medicine circulation and consultation management system is proposed and related functions are described in this paper.The sales management and data analysis method are highlighted.A simple,intuitive and innovative ＂push-button＂ data analysis tool is developed.The software in question is easy to use and helps to improve the management efficiency and increase the economic benefit.