汇编语言编写的模拟信号到数字信号的转换程序，测试成功。
Assembly language prepared by the analog signal to digital signal conversion, testing success.
数据采集卡是一种把外界模拟信号转换成数字信号，并把数字信号输入到计算机系统的一种AD接口卡。
Data acquisition card is the AD interface card, which converts the analogy signal to the digital signal, and transfers the digital signal to the computer.
用adc 0809完成模拟信号到数字信号的转换。
Complete with the ADC0809 analog to digital signal conversion.
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