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add_block('built-in/Fcn',[sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Fcn']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Fcn']],...
'Expr','cos(u[1]+Ph)',...
'position',[205,55,300,85])
add_block('built-in/Note',[sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Ref: Hambley: An Intro to Comm. Systems. pp72']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Ref: Hambley: An Intro to Comm. Systems. pp72']],...
'position',[285,280,290,285])
add_block('built-in/Inport',[sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/in_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/in_1']],...
'position',[230,120,250,140])
add_block('built-in/Gain',[sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Gain1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Gain1']],...
'Gain','2',...
'position',[270,118,295,142])
add_block('built-in/Filter',[sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Filter']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Filter']],...
'Numerator','num',...
'Denominator','den',...
'Sample time','ts',...
'position',[390,61,445,99])
add_block('built-in/Filter',[sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Filter1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Filter1']],...
'Numerator','num',...
'Denominator','den',...
'Sample time','ts',...
'position',[390,166,445,204])
add_block('built-in/Gain',[sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Gain']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Gain']],...
'Gain','Fc',...
'position',[110,101,160,139])
add_block('built-in/Clock',[sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Clock']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3/Clock']],...
'position',[60,110,80,130])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[85,120;105,120])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[450,185;475,185])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[360,185;385,185])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[450,80;475,80])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[360,80;385,80])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[305,190;325,190])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[305,70;325,70])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[165,120;185,120;185,70;200,70])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[185,120;195,190])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[255,130;265,130])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[300,130;305,130;305,85;325,85])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],[300,130;305,130;305,175;325,175])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],...
'Mask Display','plot(0,0,100,100,x,y);QADM',...
'Mask Type','Passband DSB-SC QADM')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],...
'Mask Dialogue','Demodulate a DSB-SC QAM modulated\nsignal into in-phase and quadrature\ncomponents.|Carrier frequency (Hz):|Lowpass filter numerator:|Lowpass filter denominator:|Initial phase (rad):|Sample time (sec):')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],...
'Mask Translate','Fc=@1*2*pi;num=@2;den=@3;Ph=@4;ts=@5;[x,y]=moduicon(2);')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],...
'Mask Help','This block demodulates the QM-DSB-SC-AM modulated signal. The first output port outputs the in-phase component and the second port outputs the quadrature component. The demodulation uses a discrete-time lowpass filter that passes the signal message and eliminates the carrier signal. ')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],...
'Mask Entries','Fc\/num\/den\/Ph\/ts\/')
% Finished composite block ['Arbitrary-map',13,'QASK demod/QADM',13,'passband3'].
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QADM',13,'passband3']],...
'ForeGround',4,...
'hide name',0,...
'position',[60,38,140,82])
% Subsystem ['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap'].
new_system([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],'Location',[45,449,594,684])
add_block('built-in/Zero-Order Hold',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Zero-Order',13,'Hold']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Zero-Order',13,'Hold']],...
'ForeGround',2,...
'Sample time','td',...
'position',[120,29,155,61])
add_block('built-in/Inport',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/real']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/real']],...
'position',[45,35,65,55])
add_block('built-in/Inport',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/imag']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/imag']],...
'Port','2',...
'position',[45,120,65,140])
add_block('built-in/Zero-Order Hold',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Zero-Order',13,'Hold1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Zero-Order',13,'Hold1']],...
'ForeGround',4,...
'Sample time','td',...
'position',[120,114,155,146])
add_block('built-in/Sum',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Sum1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Sum1']],...
'ForeGround',2,...
'inputs','+-',...
'position',[230,38,250,67])
add_block('built-in/Sum',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Sum6']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Sum6']],...
'ForeGround',4,...
'inputs','+-',...
'position',[230,123,250,152])
add_block('built-in/Product',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Product']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Product']],...
'position',[300,45,325,65])
add_block('built-in/Product',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Product1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Product1']],...
'position',[300,130,325,150])
add_block('built-in/Sum',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Sum2']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Sum2']],...
'position',[370,78,390,107])
add_block('built-in/S-Function',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Minimum1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/Minimum1']],...
'function name','arymimai',...
'parameters','''min''',...
'position',[415,85,475,105])
add_block('built-in/Outport',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/out_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/out_1']],...
'position',[495,85,515,105])
add_block('built-in/Constant',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/real_pt']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/real_pt']],...
'BackGround',3,...
'Value','y1',...
'position',[170,84,195,106])
add_block('built-in/Constant',[sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/imag_pt']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap/imag_pt']],...
'BackGround',5,...
'Value','y2',...
'position',[165,169,190,191])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[70,45;115,45])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[70,130;115,130])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[200,95;205,95;205,60;225,60])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[160,45;225,45])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[160,130;225,130])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[195,180;205,180;205,145;225,145])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[255,55;270,55;270,50;295,50])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[270,55;270,60;295,60])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[255,140;270,140;270,135;295,135])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[270,140;270,145;295,145])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[330,55;340,55;340,85;365,85])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[330,140;340,140;340,100;365,100])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[395,95;410,95])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],[480,95;490,95])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],...
'Mask Display','QASK\nA-demap',...
'Mask Type','QASK A-demap')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],...
'Mask Dialogue','Reverse the QASK map. Input in-phase\nand quadrature components from the\ntwo inputs. Output demapped signal.|Constellation for in-phase component:|Constellation for quadrature component:|Symbol interval and offset (sec):')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],...
'Mask Translate','y1=@1;y2=@2;td=@3;')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],...
'Mask Help','This block demaps a QASK mapped signal using user defined arbitrary constellation. You can place this block after a QAM demodulation block. The in-phase and quadrature constellation vectors must have the same length, which equals to M, the M-ary number of the QASK. The output symbols are integers in the range [0, M-1]. ')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],...
'Mask Entries','y1\/y2\/td\/')
% Finished composite block ['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap'].
set_param([sys,'/',['Arbitrary-map',13,'QASK demod/QASK',13,'arbitrary-demap']],...
'hide name',0,...
'position',[175,38,255,82])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod']],[145,70;170,70])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod']],[145,50;170,50])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod']],[260,60;280,60])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod']],[35,60;55,60])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod']],...
'Mask Display','plot(0,0,100,100,x,y);A-QASK',...
'Mask Type','Passband A-map QASK demodulation')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod']],...
'Mask Dialogue','Demodulate a QASK modulated signal with user-defined arbitrary constellation.|Vector of in-phase component:|Vector of quadrature component:|Symbol interval (sec):|Carrier frequency (Hz):|Initial phase (rad):|Sample time (sec):')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod']],...
'Mask Translate','y1=@1;y2=@2;td=@3;Fc=@4;Ph=@5;ts=@6;[num,den]=butter(5,Fc*2*ts);[x,y]=moduicon(6);')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod']],...
'Mask Help','This block demodulates a QASK modulated signal using user-defined arbitrary constellation. The arbitrary defined map is given in in-phase and quadrature component vector. The vector length of in-phase and quadrature components should have the same length. This block uses a default lowpass filter, which is [num,den]=butter(5,Fc*2*ts). Ungroup this block to define your own filter.')
set_param([sys,'/',['Arbitrary-map',13,'QASK demod']],...
'Mask Entries','real(exp(j*[0:8-1]/8*pi*2))\/imag(exp(j*[0:8-1]/8*pi*2))\/.1\/100/2/pi\/0\/.01\/')
% Finished composite block ['Arbitrary-map',13,'QASK demod'].
set_param([sys,'/',['Arbitrary-map',13,'QASK demod']],...
'position',[170,273,250,317])
% Subsystem ['Square-map',13,'QASK mod'].
new_system([sys,'/',['Square-map',13,'QASK mod']])
set_param([sys,'/',['Square-map',13,'QASK mod']],'Location',[623,526,913,666])
add_block('built-in/Inport',[sys,'/',['Square-map',13,'QASK mod/in_1']])
set_param([sys,'/',['Square-map',13,'QASK mod/in_1']],...
'position',[5,65,20,85])
add_block('built-in/Outport',[sys,'/',['Square-map',13,'QASK mod/out_1']])
set_param([sys,'/',['Square-map',13,'QASK mod/out_1']],...
'position',[275,65,295,85])
% Subsystem ['Square-map',13,'QASK mod/QASK',13,'square-map'].
new_system([sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map']])
set_param([sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map']],'Location',[214,372,642,541])
add_block('built-in/Inport',[sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/in_1']])
set_param([sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/in_1']],...
'position',[45,30,65,50])
add_block('built-in/Zero-Order Hold',[sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/Zero-Order',13,'Hold']])
set_param([sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/Zero-Order',13,'Hold']],...
'Sample time','td',...
'position',[110,24,145,56])
add_block('built-in/Outport',[sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/out_1']])
set_param([sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/out_1']],...
'position',[325,30,345,50])
add_block('built-in/Look Up Table',[sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/s-x axis']])
set_param([sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/s-x axis']],...
'Input_Values','z',...
'Output_Values','x',...
'position',[245,25,280,55])
add_block('built-in/Outport',[sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/out_2']])
set_param([sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/out_2']],...
'Port','2',...
'position',[325,95,345,115])
add_block('built-in/Look Up Table',[sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/c-y axis']])
set_param([sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map/c-y axis']],...
'Input_Values','z',...
'Output_Values','y',...
'position',[245,90,280,120])
add_line([sys,'/',['Square-map',13,'QASK mod/QASK',13,'square-map']],[285,40;320,40])
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