... 调频制 frequency modulation system 多频制 multifrequency system 二频制 two-frequency system ...
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dual-tone multifrequency system 双音多频制
DTMF Dual-Tone Multifrequency System 双音多频制
tone multifrequency system 双音多频制
multifrequency eddy current system 多频涡流系统
multifrequency signalling system 多频信号系统 ; 多频信号制
multifrequency remote control system 多频遥控制
A multifrequency signal collecting system is designed.
设计了一种多频信号采集系统。
The system includes the dual-tone multifrequency signal detection module, the musical sound processing module, the harmonical analysis module of circularity and many other demonstration modules.
系统包括话机按键双音频信号识别、圆轮廓形状误差谐波分析、数字音频效果及原理性演示实验等。
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