【摘要】 数字、量化、量化效应、模拟、模拟量、A/D转换、D/A转换是计算机控制工程和控制理论上的常见概念。静心推敲,发现有不少流行性的误解。例如:不是“量化”而是截尾或四舍五入,不是“数字量”而是bit量,不是“模拟量”而是物理量等。更多还原

【Abstract】 Digit, quantifying, analog, A/D conversion, D/A conversion are common conceptions in computer control engineering and computer control theory. Once considering deeply, it is found that there are some misunderstandings, such as: not "quantifying", but rounding off; not "digit", but bit signal; not "analog", but physical quantity etc.更多还原