作者: A.D. Proudfoot
DOI: 10.1049/EL:19720382
关键词: Signal processing 、 Detector 、 Simple (abstract algebra) 、 Digital filter 、 Acoustics 、 Tone (musical instrument) 、 Speech recognition 、 Detection theory 、 Computer science
摘要: An outline is given of a simple method detecting digitally encoded multifrequency tones.