1) Dual Tone Multi Frequency generation [DTMF generation]
双音调多频放射
2) Dual Tone Multi Frequency detection [DTMF detection]
双音调多频探测
3) 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
4) 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) multi-audio frequency modulation jamming
多音频调频
1.
On the basis of Link-11A communication signals,three jamming modes used for tracking and aiming: noise frequency modulation jamming,multi-audio frequency modulation jamming and FSK jamming on π/4-DQPSK signals were studied.
基于四相差分相移键控(π/4-DQPSK)的调制方式在数据链通信中占有十分重要的地位,从分析π/4-DQPSK基带与频带信号特征出发,以Link-11A数据链通信信号为基础,研究了用于跟踪瞄准式干扰的3种干扰样式:噪声调频、多音频调频、频移键控对π/4-DQPSK信号的干扰。
补充资料：灵音
1.仙乐。 2.犹梵音。颂经声。 3.指道教经籍。 4.灵物的声音。 5.美妙的诗歌。
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