function?trigger_constant（block）
%?Level-2?MATLAB?file?S-Function?for?unit?delay?demo.
%???Copyright?1990-2009?The?MathWorks?Inc.
%???$Revision:?1.1.6.2?$?

??setup（block）;
??
%endfunction

function?setup（block）
??
??block.NumDialogPrms??=??0;
??
??%%?Register?number?of?input?and?output?ports
??block.NumInputPorts??=?2;
??block.NumOutputPorts?=?2;

??%%?Setup?functional?port?properties?to?dynamically
??%%?inherited.
??block.SetPreCompInpPortInfoToDynamic;
??block.SetPreCompOutPortInfoToDynamic;
??
?
??block.InputPort（1）.Dimensions??????=?85;
??block.InputPort（1）.DatatypeID??????=?0;
??block.InputPort（1）.DirectFeedthrough?=?1;
??block.InputPort（2）.Dimensions????????=?1300;
??block.InputPort（1）.DatatypeID??????=?0;
??block.InputPort（2）.DirectFeedthrough?=?1;

??
??block.OutputPort（1）.Dimensions???????=?1300;
??block.OutputPort（1）.DatatypeID??????=?0;
??block.OutputPort（2）.Dimensions???????=?85;
??block.OutputPort（2）.DatatypeID??????=?0;
??
??%%?Set?block?sample?time?to?inherited
??block.SampleTimes?=?[-1?0];
??
??%%?Set?the?block?simStateCompliance?to?default?（i.e.?same?as?a?built-in?block）
??block.SimStateCompliance?=?‘DefaultSimState‘;

??%%?Register?methods
??block.RegBlockMethod（‘PostPropagationSetup‘????@DoPostPropSetup）;
??block.RegBlockMethod（‘InitializeConditions‘????@InitConditions）;??
??block.RegBlockMethod（‘Outputs‘?????????????????@Output）;??
??block.RegBlockMethod（‘Update‘??????????????????@Update）;
??block.RegBlockMethod（‘SetInputPortSamplingMode‘@SetInputPortSamplingMode）;
??block.RegBlockMethod（‘SetInputPortDimensions‘?@SetInpPortDims）;
%endfunction

function?DoPostPropSetup（block）

??%%?Setup?Dwork
??block.NumDworks?=???1;
??block.Dwork（1）.Name?=?‘x0‘;?
??block.Dwork（1）.Dimensions??????=?1385;
??block.Dwork（1）.DatatypeID??????=?0;
??block.Dwork（1）.Complexity??????=?‘Real‘;
??block.Dwork（1）.UsedAsDiscState?=?true;

%endfunction

function?InitConditions（block）

??%%?Initialize?Dwork

??
%endfunction

function?Output（block）

Nbuffer?=?1300;?%%total?buffer?size?
LenMA?=?85;%%lenth?of?MA?buffer

Lbuffer?=?zeros（1LenMA）;
MAbuffer?=?zeros（1Nbuffer）;

Triggerdata2?=?block.Dwork（1）.Data;
Triggerdata2?=?Triggerdata2‘;

for?i=?1:Nbuffer
????for?j=?1:LenMA?
????????Lbuffer（1j）=?Triggerdata2（1i+j）;
????end
???
????MAbuffer（1i）?=?mean（Lbuffer）;
end

Pbuffer?=?Lbuffer;
????
Ma?=?0;
Mc?=?85;
Mb?=?170;
Fbuffer?=?zeros（1Nbuffer-Mb）;

for?n?=?1:（Nbuffer-Mb）
????Fbuffer（1n）?=?2*MAbuffer（1n+Mc）-?MAbuffer（1n+Ma）-?MAbuffer（1n+Mb）;??
end


??block.OutputPort（1）.Data?=?MAbuffer;
??block.OutputPort（2）.Data?=?Pbuffer;
??
%endfunction

function?Update（block）?

block.Dwork（1）.Data?=?[block.InputPort（1）.data;block.InputPort（2）.data];

%endfunction



function?SetInputPortSamplingMode（block?idx?fd）
block.InputPort（idx）.SamplingMode?=?fd;
block.InputPort（idx）.SamplingMode?=?fd;
block.OutputPort（idx）.SamplingMode?=?fd;
block.OutputPort（idx）.SamplingMode?=?fd;

function?SetInpPortDims（block?idx?di）
block.InputPort（idx）.Dimensions?=?di;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件??????27086??2012-08-11?11:18??Trigger?Algorithm\msfcndemo_sfundsc2.mdl

?????文件????????198??2012-08-09?17:42??Trigger?Algorithm\Pbuffer.mat

?????文件?????717888??2012-08-09?12:02??Trigger?Algorithm\triggerdata_4KHZ_Constant.mat

?????文件?????717965??2012-08-11?08:27??Trigger?Algorithm\triggerdata_constant.mat

?????文件???????2994??2012-08-11?11:17??Trigger?Algorithm\trigger_constant.m

?????目錄??????????0??2012-08-16?20:45??Trigger?Algorithm

-----------?---------??----------?-----??----

??????????????1466131????????????????????6