代码搜索：dtmf
找到约 1,094 项符合「dtmf」的源代码
代码结果 1,094
www.eeworm.com/read/164905/10082395
dtmf
******************************************************************************
TMS320C54x COFF Linker PC Version 3.70
******************************************************
www.eeworm.com/read/390853/8436806
mdl dtmf.mdl
Model {
Name "dtmf"
Version 4.00
SampleTimeColors off
LibraryLinkDisplay "none"
WideLines off
ShowLineDimensions off
ShowPortDataTypes off
ShowStorageClass
www.eeworm.com/read/390853/8436821
mdl dtmf.mdl
Model {
Name "dtmf"
Version 6.1
MdlSubVersion 0
GraphicalInterface {
NumRootInports 0
NumRootOutports 0
ParameterArgumentNames ""
ComputedModelVersio
www.eeworm.com/read/389138/8546984
dt dtmf.dt
RAM_DATA == 0X0
TCC == 0X1
PC == 0X2
STATUS == 0X3
RAM_ADDRESS == 0X4
PORT5 == 0X5
PORT6
www.eeworm.com/read/388176/8629254
m dtmf_a.m
function [HT,T]=dtmf_A
Fs=8000;
N=400;
b_low=[0,0.52049,0];a_low=[1,-1.70774,1];
b_high=[0,0.95875,0];a_high=[1,-0.5685,1];
[H1,T]=impz(b_low,a_low,N,Fs);
[H2,T]=impz(b_high,a_high,N,Fs);
HT=H1+H2;
so
www.eeworm.com/read/386581/8737788
m dtmf.m
%dtfm.m
function x=dtmf(key);
fs=8000;
N=0.1*fs; %信号时间为50ms
R=1;
f1=0;
fh=0;
switch key
case{'1','2','3'}
f1=697;
case{'4','5','6'}
f1=770;
case{'7','
www.eeworm.com/read/187196/8844662
c dtmf.c
/*
;***********************************************************************
;* 北京达盛科技有限公司
;* 研 发 部
;*
;*
www.eeworm.com/read/187196/8844682
pjt dtmf.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectName="dtmf"
ProjectDir="E:\qu\zj4\2407\prg\normal\exp4_16_dtmf(cpu1)\dtmf\"
ProjectType=Ex
www.eeworm.com/read/187196/8844685
paf dtmf.paf
www.eeworm.com/read/283512/9014389
c dtmf.c
/********************************************************
http://www.sl.com.cn
双龙电子公司----双音频信号(DTMF)演示程序
键盘布置图：
1 2 3 A--PB4
4 5 6 B--