elg.m

数字通信第四版原书的例程

set_param([sys,'/',['Sampled read',13,'from wksp/Pulses deivide',13,'same sample time1']],...
		'Mask Entries','ts\/1\/off\/')


%     Finished composite block ['Sampled read',13,'from wksp/Pulses deivide',13,'same sample time1'].

set_param([sys,'/',['Sampled read',13,'from wksp/Pulses deivide',13,'same sample time1']],...
		'position',[50,56,110,94])

add_block('built-in/Outport',[sys,'/',['Sampled read',13,'from wksp/out_1']])
set_param([sys,'/',['Sampled read',13,'from wksp/out_1']],...
		'position',[295,65,315,85])

add_block('built-in/S-Function',[sys,'/',['Sampled read',13,'from wksp/Message source']])
set_param([sys,'/',['Sampled read',13,'from wksp/Message source']],...
		'BackGround',5,...
		'function name','trigwksp',...
		'parameters','var,thd,cyclFlag,ini',...
		'Mask Display','Triggered\nread',...
		'Mask Type','Read from workspace')
set_param([sys,'/',['Sampled read',13,'from wksp/Message source']],...
		'Mask Dialogue','The raising edge of input pulse trigger the block output the next row from the workspace variable.|Read the variable:|Threshold for the input pulse:|Cyclic read variable (1) or amend zeros (0).|Output before first trigger:')
set_param([sys,'/',['Sampled read',13,'from wksp/Message source']],...
		'Mask Translate','var=@1;thd=@2;cyclFlag=@3;ini=@4;')
set_param([sys,'/',['Sampled read',13,'from wksp/Message source']],...
		'Mask Help','This block reads the data from a workspace variable. The output is refreshed at the raising edge of the input pulse.',...
		'Mask Entries','var\/.1\/cyc\/ini\/')
set_param([sys,'/',['Sampled read',13,'from wksp/Message source']],...
		'position',[180,53,255,97])
add_line([sys,'/',['Sampled read',13,'from wksp']],[260,75;290,75])
add_line([sys,'/',['Sampled read',13,'from wksp']],[115,75;175,75])
set_param([sys,'/',['Sampled read',13,'from wksp']],...
		'Mask Display','plot(0,0,100,100,x,y);Rd wksp',...
		'Mask Type','Read from workspace')
set_param([sys,'/',['Sampled read',13,'from wksp']],...
		'Mask Dialogue','Read from a workspace variable at\nsampling time point.|Variable (column_number=block_output_length):|Data output sample time (sec):|Cyclic control (1: cyclic read, 0: output zeros after eof).|Initial output:')
set_param([sys,'/',['Sampled read',13,'from wksp']],...
		'Mask Translate','var=@1;td=@2;ts=td(1);if (length(td)>=2),off=td(2);else off=0;end;cyc=@3;ini=@4;[x,y]=srcsicon(7);')
set_param([sys,'/',['Sampled read',13,'from wksp']],...
		'Mask Help','This block reads from a workspace variable at a given sample time. The column number is the block output vector length. When the simulation reached the end of the variable (eof) row, the block will cyclically output from the first row of the variable or output zeros based on the cyclic control entree.')
set_param([sys,'/',['Sampled read',13,'from wksp']],...
		'Mask Entries','randint(300,1,MM)\/tdd\/1\/0\/')


%     Finished composite block ['Sampled read',13,'from wksp'].

set_param([sys,'/',['Sampled read',13,'from wksp']],...
		'hide name',0,...
		'position',[20,23,100,67])

add_block('built-in/Transfer Fcn',[sys,'/',['Anti-Aliasing',13,'Filter']])
set_param([sys,'/',['Anti-Aliasing',13,'Filter']],...
		'Numerator','f1num',...
		'Denominator','f1den',...
		'position',[335,28,395,62])

add_block('built-in/Gain',[sys,'/','Gain'])
set_param([sys,'/','Gain'],...
		'orientation',2,...
		'ForeGround',5,...
		'hide name',0,...
		'Gain','10',...
		'position',[275,197,300,223])

add_block('built-in/Transport Delay',[sys,'/',['Transport',13,'Delay']])
set_param([sys,'/',['Transport',13,'Delay']],...
		'orientation',2,...
		'ForeGround',3,...
		'hide name',0,...
		'Delay Time','tdd/4',...
		'position',[265,255,305,285])


%     Subsystem  ['Discrete',13,' Early-Late',13,' Gate'].

new_system([sys,'/',['Discrete',13,' Early-Late',13,' Gate']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate']],'Location',[69,258,640,580])

add_block('built-in/Inport',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/in_1']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/in_1']],...
		'ForeGround',2,...
		'position',[15,130,35,150])


%     Subsystem  ['Discrete',13,' Early-Late',13,' Gate/Sign'].

new_system([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],'Location',[159,417,467,586])

add_block('built-in/Constant',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/Constant']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/Constant']],...
		'Value','0',...
		'position',[65,105,85,125])

add_block('built-in/Relational Operator',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/Relational',13,'Operator1']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/Relational',13,'Operator1']],...
		'Operator','<',...
		'position',[140,92,170,123])

add_block('built-in/Sum',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/Sum']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/Sum']],...
		'inputs','+-',...
		'position',[215,64,235,91])

add_block('built-in/Relational Operator',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/Relational',13,'Operator']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/Relational',13,'Operator']],...
		'Operator','>',...
		'position',[140,32,170,63])

add_block('built-in/Inport',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/in_1']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/in_1']],...
		'position',[35,30,55,50])

add_block('built-in/Outport',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/out_1']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign/out_1']],...
		'position',[265,70,285,90])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],[240,80;260,80])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],[175,50;185,50;185,70;210,70])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],[175,110;185,110;185,85;210,85])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],[90,115;135,115])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],[110,115;110,55;135,55])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],[60,40;135,40])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],[95,40;95,100;135,100])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],...
		'Mask Display','plot(-50,-50,50,50,[-50,50],[0,0],[0,0],[-50,50],[-40,0],[-30,-30],[0,40],[30,30])',...
		'Mask Type','Sign',...
		'Mask Dialogue','y = sign(x)')
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],...
		'Mask Help','Sign Function:\n\t\t\ty = 1 if x > 0\n\t\t\ty = 0 if x = 0\n\t\t\ty = -1 if x < 0')


%     Finished composite block ['Discrete',13,' Early-Late',13,' Gate/Sign'].

set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Sign']],...
		'orientation',2,...
		'position',[340,130,370,160])


%     Subsystem  ['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO'].

new_system([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],'Location',[4,433,784,580])

add_block('built-in/Outport',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/out_1']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/out_1']],...
		'position',[690,35,710,55])

add_block('built-in/Gain',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sensitivity3']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sensitivity3']],...
		'Gain','Ac',...
		'position',[605,30,655,60])

add_block('built-in/Fcn',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/sin']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/sin']],...
		'Expr','cos(u[1])',...
		'position',[510,32,585,58])

add_block('built-in/Constant',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Phase']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Phase']],...
		'Value','Ph',...
		'position',[400,100,420,120])

add_block('built-in/Sum',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sum']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sum']],...
		'inputs','+++',...
		'position',[465,27,485,63])

add_block('built-in/Gain',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sensitivity2']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sensitivity2']],...
		'Gain','Fc',...
		'position',[255,75,300,105])

add_block('built-in/Gain',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sensitivity']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sensitivity']],...
		'Gain','Kc',...
		'position',[105,15,155,45])

add_block('built-in/Sum',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sum1']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Sum1']],...
		'position',[230,25,250,45])

add_block('built-in/Unit Delay',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Unit Delay']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Unit Delay']],...
		'Sample time','ts',...
		'position',[300,25,350,45])

add_block('built-in/Inport',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/in_1']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/in_1']],...
		'position',[35,20,55,40])

add_block('built-in/Digital Clock',[sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Digital Clock']])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO/Digital Clock']],...
		'Sample time','ts',...
		'position',[160,75,195,105])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[660,45;685,45])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[590,45;600,45])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[425,110;435,110;435,55;460,55])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[355,35;460,35])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[370,35;370,70;205,70;205,40;225,40])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[305,90;425,90;425,45;460,45])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[200,90;250,90])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[490,45;505,45])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[255,35;295,35])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[160,30;225,30])
add_line([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],[60,30;100,30])
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],...
		'Mask Display','Discrete\nVCO',...
		'Mask Type','VCO')
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],...
		'Mask Dialogue','Voltage-Controlled Oscilator:|Amplitude constant:|Carier frequency (Hz):|Sensitivity constant:|Initial phase (rad):|Sample time:')
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],...
		'Mask Translate','Ac=@1;Fc=@2;Kc=@3;Ph=@4;pi2=2*pi;ts=@5;Kc=Kc*pi2*ts(1);Fc=Fc*pi2;')
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],...
		'Mask Help','The VCO block cause the frequency of the sinusoidal carrier to depend on the input signal voltage, resulting in frequency of the output change depending on the amplitude of the input signal.')
set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],...
		'Mask Entries','1\/1/tdd\/.0001\/0\/tss\/')


%     Finished composite block ['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO'].

set_param([sys,'/',['Discrete',13,' Early-Late',13,' Gate/Discrete-time',13,'VCO']],...
		'orientation',2,...
		'hide name',0,...
		'position',[400,120,480,170])