USB“双捕”新方法——“随扫斜率”判决法

A New Twoway Acquisition Method for USB—Scan Slope Decision Method

本文提出“随扫斜率判决”和随扫斜率的算法 ,并采用“启扫方向选择”、“最短路径回零”等措施来加快“双捕”速度 ,这种方法可用软件实现 .文中进行了理论分析、给出了数学表达式、设计方法和应用结果 .采用这种新方法的双捕方案 ,经工程实践证明 ,具有捕获速度快 ,成本低。

This paper introduces a following scan slope decision method and following scan slope algorithm and some measures used to improve twoway acquisition speed such as selecting scan initiation direction and returning to zero in the shortest path,which can be implemented by software.Theoretic analysis,mathematical expression,design method and experiment results are provided.Practical engineering application shows the twoway acquisition using this new method has many advantages such as fast speed,low cost and programmablity.