tddps3cd.m

数字通信第四版原书的例程

set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/Ref: Hambley: An Intro to Comm. Systems. pp72']],...
		'position',[285,280,290,285])

add_block('built-in/Fcn',[sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/Fcn']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/Fcn']],...
		'Expr','cos(u[1]+Ph)',...
		'position',[205,55,300,85])

add_block('built-in/Fcn',[sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/Fcn1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/Fcn1']],...
		'Expr','sin(u[1]+Ph)',...
		'position',[200,175,300,205])

add_block('built-in/Product',[sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/Product']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/Product']],...
		'position',[330,62,355,93])

add_block('built-in/Product',[sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/Product1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/Product1']],...
		'position',[330,167,355,198])

add_block('built-in/Outport',[sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/out_2']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/out_2']],...
		'Port','2',...
		'position',[480,175,500,195])

add_block('built-in/Outport',[sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/out_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3/out_1']],...
		'position',[480,70,500,90])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[300,130;305,130;305,175;325,175])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[300,130;305,130;305,85;325,85])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[255,130;265,130])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[165,120;185,120;185,70;200,70])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[185,120;195,190])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[305,70;325,70])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[305,190;325,190])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[360,80;385,80])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[450,80;475,80])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[360,185;385,185])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[450,185;475,185])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],[85,120;105,120])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/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 demod1/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 demod1/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 demod1/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 demod1/QADM',13,'passband3']],...
		'Mask Entries','Fc\/num\/den\/Ph\/ts\/')


%     Finished composite block ['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3'].

set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/QADM',13,'passband3']],...
		'ForeGround',4,...
		'hide name',0,...
		'position',[60,38,140,82])

add_block('built-in/Inport',[sys,'/',['Arbitrary-map',13,'QASK demod1/in_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/in_1']],...
		'hide name',0,...
		'position',[10,50,30,70])

add_block('built-in/Outport',[sys,'/',['Arbitrary-map',13,'QASK demod1/out_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1/out_1']],...
		'hide name',0,...
		'position',[285,50,305,70])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1']],[35,60;55,60])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1']],[260,60;280,60])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1']],[145,50;170,50])
add_line([sys,'/',['Arbitrary-map',13,'QASK demod1']],[145,70;170,70])
set_param([sys,'/',['Arbitrary-map',13,'QASK demod1']],...
		'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 demod1']],...
		'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 demod1']],...
		'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 demod1']],...
		'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 demod1']],...
		'Mask Entries','real(exp(j*[0:M-1]/M*pi*2))\/imag(exp(j*[0:M-1]/M*pi*2))\/td\/Fc\/0\/ts\/')


%     Finished composite block ['Arbitrary-map',13,'QASK demod1'].

set_param([sys,'/',['Arbitrary-map',13,'QASK demod1']],...
		'hide name',0,...
		'position',[365,43,445,87])


%     Subsystem  ['Arbitrary-map',13,'QASK mod1'].

new_system([sys,'/',['Arbitrary-map',13,'QASK mod1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1']],'Location',[620,593,885,733])


%     Subsystem  ['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2'].

new_system([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],'Location',[302,478,834,743])

add_block('built-in/Fcn',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Fcn']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Fcn']],...
		'Expr','cos(u[1]+Ph)',...
		'position',[230,55,325,85])

add_block('built-in/Fcn',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Fcn1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Fcn1']],...
		'Expr','sin(u[1]+Ph)',...
		'position',[230,105,325,135])

add_block('built-in/Note',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Ref: Hambley: An Intro to Comm. Systems. pp72']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Ref: Hambley: An Intro to Comm. Systems. pp72']],...
		'position',[250,305,255,310])

add_block('built-in/Product',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Product']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Product']],...
		'position',[355,47,380,78])

add_block('built-in/Product',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Product1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Product1']],...
		'position',[355,112,380,143])

add_block('built-in/Sum',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Sum2']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Sum2']],...
		'position',[430,90,450,110])

add_block('built-in/Outport',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/out_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/out_1']],...
		'position',[490,90,510,110])

add_block('built-in/Inport',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/in_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/in_1']],...
		'position',[160,30,180,50])

add_block('built-in/Inport',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/in_2']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/in_2']],...
		'Port','2',...
		'position',[160,145,180,165])

add_block('built-in/Gain',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Gain']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Gain']],...
		'Gain','Fc',...
		'position',[130,76,180,114])

add_block('built-in/Clock',[sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Clock']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2/Clock']],...
		'position',[80,85,100,105])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[455,100;485,100])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[330,70;350,70])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[185,40;335,40;335,55;350,55])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[330,120;350,120])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[185,155;330,155;330,135;350,135])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[385,65;400,65;400,95;425,95])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[385,130;400,130;400,105;425,105])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[105,95;125,95])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[185,95;200,95;200,70;225,70])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],[200,95;200,120;225,120])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],...
		'Mask Display','plot(0,0,100,100,x,y);QAM',...
		'Mask Type','Passband DSB-SC QAM')
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],...
		'Mask Dialogue','Modulate the in-phase signal from first input port and quadrature signal from\nthe second port using QAM.|Carrier frequency (Hz):|Initial phase (rad):|Sample time (sec):')
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],...
		'Mask Translate','Fc=@1*2*pi;Ph=@2;ts=@3;[x,y]=moduicon(1);')
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],...
		'Mask Help','This block modulates the in-phase component inputted from the first port and the quadrature component inputted from the second port by using two orthogonal sinusoidal carriers.')
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],...
		'Mask Entries','Fc\/Ph\/ts\/')


%     Finished composite block ['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2'].

set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QAM',13,'passband2']],...
		'ForeGround',4,...
		'position',[155,58,235,102])


%     Subsystem  ['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map'].

new_system([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],'Location',[58,103,403,268])

add_block('built-in/Outport',[sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/Imag']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/Imag']],...
		'Port','2',...
		'position',[275,100,295,120])

add_block('built-in/Outport',[sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/Real']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/Real']],...
		'position',[275,20,295,40])

add_block('built-in/Look Up Table',[sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/imag part1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/imag part1']],...
		'Input_Values','x',...
		'Output_Values','y2',...
		'position',[175,97,210,123])

add_block('built-in/Look Up Table',[sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/real part']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/real part']],...
		'Input_Values','x',...
		'Output_Values','y1',...
		'position',[180,17,215,43])

add_block('built-in/Inport',[sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/in_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/in_1']],...
		'position',[25,20,45,40])

add_block('built-in/Zero-Order Hold',[sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/Zero-Order',13,'Hold1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map/Zero-Order',13,'Hold1']],...
		'Sample time','td',...
		'position',[80,14,115,46])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],[215,110;270,110])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],[220,30;270,30])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],[120,30;175,30])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],[145,30;145,110;170,110])
add_line([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],[50,30;75,30])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],...
		'Mask Display','QASK\nA-map',...
		'Mask Type','QASK A-map')
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],...
		'Mask Dialogue','QASK mapping for arbitrary defined\nmap. Assume input digit is K. 1st\noutport outputs in-phase(K+1). 2nd\noutport outputs quadrature(K+1).|Constellation for in-phase component:|Constellation for quadrature component:|Symbol interval and offset (sec):')
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],...
		'Mask Translate','y1=@1;y2=@2;td=@3;ly=length(y1);x=[-10 1:ly-1;1:ly-1 10*ly]-.5;x=x(:);y1=y1(:)'';y1=[y1;y1];y1=y1(:);y2=y2(:)'';y2=[y2;y2];y2=y2(:);')
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],...
		'Mask Help','This block maps a digital signal onto in-phase and quadratic components, which are outputs in the first and second output port respectively. The in-phase and quadrature constellation vectors must have the same length, which equals to M, the M-ary number of the QASK. The input signal is in the range of [0, M-1].')
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],...
		'Mask Entries','y1\/y2\/td\/')


%     Finished composite block ['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map'].

set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/QASK',13,'arbitrary-map']],...
		'position',[45,58,125,102])

add_block('built-in/Inport',[sys,'/',['Arbitrary-map',13,'QASK mod1/in_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/in_1']],...
		'position',[5,70,20,90])

add_block('built-in/Outport',[sys,'/',['Arbitrary-map',13,'QASK mod1/out_1']])
set_param([sys,'/',['Arbitrary-map',13,'QASK mod1/out_1']],...