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介绍了一种适合于４８６以上ＰＣ机使用的多功能高速数据采集接口，该接口曾应用于ＦＴＳ－２０Ｅ富里叶红外光谱仪的数据处理系统，以替换ＦＴＳ－２０Ｅ原配的数据接口，其数据处理和运算速度完全满足富里叶红外光谱分析的要求。该接口设计有运算功能，可由计算机直接进行接口内的运算功能和逻辑功能的设置。并对接口工作原理、调试方法及应用都做了详细的描述。
A multifunctional and high speed data acquisition interface suitable for PC above 486 is introduced, which has been applied to the data processing system of FTS-20E Fourier transform infrared spectrometer in order to replace the data interface of FTS-20E original data processing and data processing Computation speed fully satisfies the requirements of Fourier transform infrared spectroscopy. This interface is designed with arithmetic functions that allow the computer to directly set the arithmetic and logic functions in the interface. And the interface working principle, debugging methods and applications have done a detailed description.