·詳細(xì)說(shuō)明:Goertzel算法是DTMF信號(hào)檢測(cè)的核心,它利用二極點(diǎn)的IIR濾波器計(jì)算離散傅立葉變換值,快速有效的提取輸入信號(hào)的頻譜信息。-Goertzel algorithm is the DTMF signal examination core, it uses two extremes the IIR filter computations to be separated Fourier t
標(biāo)簽:
Goertzel
DTMF
算法
信號(hào)檢測(cè)
上傳時(shí)間:
2013-04-24
上傳用戶:moshushi0009