1) dual tone multifrequency(DTMF)
双音双频
2) DTMF
双音多频
1.
Decoding of DTMF signal with software;
双音多频信号的软件解码
2.
The Novel Design of CPLD Application in DTMF Tone PCM Code;
基于CPLD的双音多频信号PCM编码的设计
3.
Control for coder/encoder of DTMF with single chip microcomputer;
利用单片机实现对双音多频编/解码器的控制
3) dual tone multi frequency
双音多频
1.
Based on the microcontroller and Dual Tone Multi Frequency(DTMF) technique,TRCS has functions of the ringing detecting,the telephone lifting simulating,the DTMF demodulation and the on-off control.
该系统基于单片机和双音多频信号技术(DTMF),具有振铃检测、模拟摘机、DTMF信号解调、开关量控制等功能,并且使用ISD4004芯片进行语音提示。
5) Dual Tone Multiple Frequency
双音多频
1.
The chip MT8880 which can receive and transmit the signal of Dual Tone Multiple Frequency can detect whether the signal of Dual Tone Multiple Frequency transmit on power line.
其以MT8880实现对双音多频信号的接收与发送,并由其侦听电力线上是否有双音多频信号在传输。
2.
This paper presents a method to generate the signal of dual tone multiple frequency in the development of the cordless group phone.
介绍了在无绳集团电话研制中所采用的双音多频ＤＴＭＦ信号的一种实现方法，通过软件模拟不同的单音频率，并对其按一定的采样速率取样、叠加即得到相应的双音多频ＤＴＭＦ信号。
6) dual-tone multi-frequency
双音复频
补充资料：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
CAS：38051-10-4
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条