作者: Berdnardus Henricu Cornelissen
DOI:
关键词: Acoustics 、 Signal transition 、 Coincidence 、 Electronic engineering 、 Signal 、 Analog signal 、 Wave form 、 Phase (waves) 、 Mathematics 、 Signal edge 、 Subtraction
摘要: A device for the digital substraction of two different frequencies includes means which reverse phase a wave-form signal higher-frequency about 180* during its coincidence with one half-wave form lower frequency and, subsequently, reverses another wave that further other signal.