converter principle meaning in English

直接成条原理

This paper describes a genaral introduction on digital - analog converter study of domestic and aboard , analysis of d / a converter principle and structures , and the analyses of different converting type such as current converting and voltage converting . a monolithic current - output converter is presented
本文较为全面的介绍了数字/模拟转换器（ d / a转换器）的国内外动态，分析了d / a转换器的基本原理和结构，对电流转换和电压转换d / a转换器进行了较为详细的分析。