qpsnrzbw.m

现代通信系统（prokis）的所有matlab源程序,对初学者很有帮助的。

		'orientation',3,...
		'Vgain','3.000000',...
		'Hgain','25.000000',...
		'Vmax','6.000000',...
		'Hmax','50.000000',...
		'Window',[320,740,960,840],...
		'position',[895,70,925,100])

add_block('built-in/Zero-Pole',[sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter']])
set_param([sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter']],...
		'Zeros','z',...
		'Poles','p',...
		'Gain','k',...
		'Mask Display','plot(20*log10(w),20*log10(abs(h)))',...
		'Mask Type','buttap')
set_param([sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter']],...
		'Mask Dialogue','Analog Butterworth low pass filter.\n\n(Requires Signal Processing Toolbox)|Cutoff frequency (rad/sec)|Order')
set_param([sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter']],...
		'Mask Translate','[z,p,k]=buttap(@2); z=@1*z; p=@1*p; k=real(prod(-p)); [num,den]=zp2tf(z,p,k); w=logspace(log10(@1/10),log10(10*@1),20); h=freqs(num,den,w); ')
set_param([sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter']],...
		'Mask Help','Butterworth low pass filter using MATLAB''s butter command.',...
		'Mask Entries','5\/4\/',...
		'position',[435,68,495,112])

add_block('built-in/Zero-Pole',[sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter_']])
set_param([sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter_']],...
		'Zeros','z',...
		'Poles','p',...
		'Gain','k',...
		'Mask Display','plot(20*log10(w),20*log10(abs(h)))',...
		'Mask Type','buttap')
set_param([sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter_']],...
		'Mask Dialogue','Analog Butterworth low pass filter.\n\n(Requires Signal Processing Toolbox)|Cutoff frequency (rad/sec)|Order')
set_param([sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter_']],...
		'Mask Translate','[z,p,k]=buttap(@2); z=@1*z; p=@1*p; k=real(prod(-p)); [num,den]=zp2tf(z,p,k); w=logspace(log10(@1/10),log10(10*@1),20); h=freqs(num,den,w); ')
set_param([sys,'/',['Empf鋘ger/Analog Butterworth',13,'LP Filter_']],...
		'Mask Help','Butterworth low pass filter using MATLAB''s butter command.',...
		'Mask Entries','5\/4\/',...
		'position',[435,203,495,247])


%     Subsystem  'Empf鋘ger/Diagramme'.

new_system([sys,'/','Empf鋘ger/Diagramme'])
set_param([sys,'/','Empf鋘ger/Diagramme'],'Location',[669,447,1065,724])


%     Subsystem  'Empf鋘ger/Diagramme/Auge Quadratur'.

new_system([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur'])
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur'],'Location',[121,409,416,595])

add_block('built-in/S-Function',[sys,'/','Empf鋘ger/Diagramme/Auge Quadratur/Plot1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur/Plot1'],...
		'function name','eyesampl',...
		'parameters','time_range, boundary, kept_length, eye_line, scatter_line, two_d_line',...
		'position',[130,70,200,110])

add_block('built-in/Inport',[sys,'/','Empf鋘ger/Diagramme/Auge Quadratur/in_1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur/in_1'],...
		'position',[75,80,95,100])
add_line([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur'],[100,90;125,90])
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur'],...
		'Mask Display','plot(0,0,100,100,x,y);',...
		'Mask Type','Eye-diagram/scatter plot')
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur'],...
		'Mask Dialogue','Produce eye-pattern diagram and/or scatter plot.|[Symbol interval, plot offset, decision point offset]:|Lower and upper bound of in-coming signal (1x2 vector):|Number of saved traces:|Line-type for eye-pattern diagram (0 for no plot):|Line-type for scatter plot (0 for no plot):|Plot update sample time:')
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur'],...
		'Mask Translate','time_range=@1;boundary=@2;kept_length=@3;eye_line=@4;scatter_line=@5;two_d_line=@6;[x,y]=srcsicon(10);')
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur'],...
		'Mask Help','This plot opens one, or two plots by assigning the line type parameters. The scatter plot point is selected by the decision point in the first parameter entry. A decision line is drawn in the eye-pattern diagram. The plot is updated at the plot update sample time point.')
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur'],...
		'Mask Entries','[2 0 1+offset]\/[-1.5 1.5]\/0\/''w-/r-''\/0\/2/anzahl\/')


%     Finished composite block 'Empf鋘ger/Diagramme/Auge Quadratur'.

set_param([sys,'/','Empf鋘ger/Diagramme/Auge Quadratur'],...
		'position',[305,77,360,113])


%     Subsystem  'Empf鋘ger/Diagramme/Auge Inphase'.

new_system([sys,'/','Empf鋘ger/Diagramme/Auge Inphase'])
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Inphase'],'Location',[121,409,416,595])

add_block('built-in/Inport',[sys,'/','Empf鋘ger/Diagramme/Auge Inphase/in_1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Inphase/in_1'],...
		'position',[75,80,95,100])

add_block('built-in/S-Function',[sys,'/','Empf鋘ger/Diagramme/Auge Inphase/Plot1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Inphase/Plot1'],...
		'function name','eyesampl',...
		'parameters','time_range, boundary, kept_length, eye_line, scatter_line, two_d_line',...
		'position',[130,70,200,110])
add_line([sys,'/','Empf鋘ger/Diagramme/Auge Inphase'],[100,90;125,90])
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Inphase'],...
		'Mask Display','plot(0,0,100,100,x,y);',...
		'Mask Type','Eye-diagram/scatter plot')
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Inphase'],...
		'Mask Dialogue','Produce eye-pattern diagram and/or scatter plot.|[Symbol interval, plot offset, decision point offset]:|Lower and upper bound of in-coming signal (1x2 vector):|Number of saved traces:|Line-type for eye-pattern diagram (0 for no plot):|Line-type for scatter plot (0 for no plot):|Plot update sample time:')
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Inphase'],...
		'Mask Translate','time_range=@1;boundary=@2;kept_length=@3;eye_line=@4;scatter_line=@5;two_d_line=@6;[x,y]=srcsicon(10);')
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Inphase'],...
		'Mask Help','This plot opens one, or two plots by assigning the line type parameters. The scatter plot point is selected by the decision point in the first parameter entry. A decision line is drawn in the eye-pattern diagram. The plot is updated at the plot update sample time point.')
set_param([sys,'/','Empf鋘ger/Diagramme/Auge Inphase'],...
		'Mask Entries','[2 0 1+offset]\/[-1.5 1.5]\/0\/''w-/r-''\/0\/2/anzahl\/')


%     Finished composite block 'Empf鋘ger/Diagramme/Auge Inphase'.

set_param([sys,'/','Empf鋘ger/Diagramme/Auge Inphase'],...
		'position',[305,22,360,58])

add_block('built-in/Mux',[sys,'/','Empf鋘ger/Diagramme/Mux'])
set_param([sys,'/','Empf鋘ger/Diagramme/Mux'],...
		'inputs','2',...
		'position',[230,21,265,54])

add_block('built-in/Mux',[sys,'/','Empf鋘ger/Diagramme/Mux1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Mux1'],...
		'inputs','2',...
		'position',[230,76,265,109])

add_block('built-in/Constant',[sys,'/','Empf鋘ger/Diagramme/Constant'])
set_param([sys,'/','Empf鋘ger/Diagramme/Constant'],...
		'orientation',3,...
		'hide name',0,...
		'Value','Inf',...
		'position',[90,125,110,145])

add_block('built-in/Constant',[sys,'/','Empf鋘ger/Diagramme/Constant0'])
set_param([sys,'/','Empf鋘ger/Diagramme/Constant0'],...
		'orientation',3,...
		'hide name',0,...
		'Value','0',...
		'position',[190,125,210,145])


%     Subsystem  'Empf鋘ger/Diagramme/Trajektorie'.

new_system([sys,'/','Empf鋘ger/Diagramme/Trajektorie'])
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],'Location',[165,242,460,428])

add_block('built-in/Inport',[sys,'/','Empf鋘ger/Diagramme/Trajektorie/in_1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie/in_1'],...
		'position',[15,55,35,75])

add_block('built-in/Inport',[sys,'/','Empf鋘ger/Diagramme/Trajektorie/in_2'])
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie/in_2'],...
		'Port','2',...
		'position',[20,115,40,135])

add_block('built-in/Mux',[sys,'/','Empf鋘ger/Diagramme/Trajektorie/Mux'])
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie/Mux'],...
		'inputs','2',...
		'position',[65,70,100,105])

add_block('built-in/S-Function',[sys,'/','Empf鋘ger/Diagramme/Trajektorie/Plot1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie/Plot1'],...
		'function name','eyediasi',...
		'parameters','time_range, boundary, kept_length, eye_line, scatter_line, two_d_line',...
		'position',[130,70,200,110])
add_line([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],[40,65;45,65;45,80;60,80])
add_line([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],[45,125;50,125;60,95])
add_line([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],[105,90;125,90])
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],...
		'Mask Display','plot(0,0,100,100,x,y,v,w);',...
		'Mask Type','Eye-diagram/scatter plot')
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],...
		'Mask Dialogue','Produce eye-pattern diagram/scatter\nplot/x-y plot with the rising edge of the second input as the decision line.|Eye-pattern plot time frame:|Lower and upper bound of in-coming signal (1x2 vector):|Number of saved traces:|Line-type for eye-pattern diagram (0 for no plot):|Line-type for scatter plot (0 for no plot):|Line-type for x-y plot (0 for no plot):')
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],...
		'Mask Translate','time_range=@1;boundary=@2;kept_length=@3;eye_line=@4;scatter_line=@5;two_d_line=@6;[x,y]=srcsicon(10);[v,w]=trigicon(0,25,get_param(gcb,''orientation''),2);')
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],...
		'Mask Help','This plot opens one, two, or three plots by assigning the line type parameters. The scatter plot point is selected by the rising edge of a trigger signal. A decision line is drawn at the rising edge of the trigger signal.')
set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],...
		'Mask Entries','[2 0 1]\/[-1.5 1.5]\/0\/0\/0\/''g-''\/')


%     Finished composite block 'Empf鋘ger/Diagramme/Trajektorie'.

set_param([sys,'/','Empf鋘ger/Diagramme/Trajektorie'],...
		'position',[305,155,360,190])

add_block('built-in/Mux',[sys,'/','Empf鋘ger/Diagramme/Mux2'])
set_param([sys,'/','Empf鋘ger/Diagramme/Mux2'],...
		'inputs','2',...
		'position',[230,146,265,179])

add_block('built-in/Mux',[sys,'/','Empf鋘ger/Diagramme/Mux3'])
set_param([sys,'/','Empf鋘ger/Diagramme/Mux3'],...
		'inputs','2',...
		'position',[230,211,265,244])


%     Subsystem  'Empf鋘ger/Diagramme/Signalraumpunkte'.

new_system([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte'])
set_param([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte'],'Location',[165,242,460,428])

add_block('built-in/Inport',[sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte/in_1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte/in_1'],...
		'position',[75,80,95,100])

add_block('built-in/S-Function',[sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte/Plot1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte/Plot1'],...
		'function name','eyesampl',...
		'parameters','time_range, boundary, kept_length, eye_line, scatter_line, two_d_line',...
		'position',[130,70,200,110])
add_line([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte'],[100,90;125,90])
set_param([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte'],...
		'Mask Display','plot(0,0,100,100,x,y);',...
		'Mask Type','Eye-diagram/scatter plot')
set_param([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte'],...
		'Mask Dialogue','Produce eye-pattern diagram and/or scatter plot.|[Symbol interval, plot offset, decision point offset]:|Lower and upper bound of in-coming signal (1x2 vector):|Number of saved traces:|Line-type for eye-pattern diagram (0 for no plot):|Line-type for scatter plot (0 for no plot):|Plot update sample time:')
set_param([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte'],...
		'Mask Translate','time_range=@1;boundary=@2;kept_length=@3;eye_line=@4;scatter_line=@5;two_d_line=@6;[x,y]=srcsicon(10);')
set_param([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte'],...
		'Mask Help','This plot opens one, or two plots by assigning the line type parameters. The scatter plot point is selected by the decision point in the first parameter entry. A decision line is drawn in the eye-pattern diagram. The plot is updated at the plot update sample time point.')
set_param([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte'],...
		'Mask Entries','[1 .5 .999]\/[-1.5 1.5]\/0\/0\/''y.''\/[.5 offset]\/')


%     Finished composite block 'Empf鋘ger/Diagramme/Signalraumpunkte'.

set_param([sys,'/','Empf鋘ger/Diagramme/Signalraumpunkte'],...
		'position',[305,213,360,247])

add_block('built-in/Step Fcn',[sys,'/','Empf鋘ger/Diagramme/Step input'])
set_param([sys,'/','Empf鋘ger/Diagramme/Step input'],...
		'Time','starttime',...
		'position',[30,125,50,145])

add_block('built-in/Inport',[sys,'/','Empf鋘ger/Diagramme/Quadratur'])
set_param([sys,'/','Empf鋘ger/Diagramme/Quadratur'],...
		'Port','2',...
		'position',[30,80,50,100])

add_block('built-in/Inport',[sys,'/','Empf鋘ger/Diagramme/Inphase'])
set_param([sys,'/','Empf鋘ger/Diagramme/Inphase'],...
		'position',[30,25,50,45])

add_block('built-in/Switch',[sys,'/','Empf鋘ger/Diagramme/Switch1'])
set_param([sys,'/','Empf鋘ger/Diagramme/Switch1'],...
		'Threshold','1',...
		'position',[130,84,155,116])

add_block('built-in/Switch',[sys,'/','Empf鋘ger/Diagramme/Switch'])
set_param([sys,'/','Empf鋘ger/Diagramme/Switch'],...
		'Threshold','1',...
		'position',[130,29,155,61])
add_line([sys,'/','Empf鋘ger/Diagramme'],[160,45;170,45;170,220;225,220])
add_line([sys,'/','Empf鋘ger/Diagramme'],[170,45;225,45])
add_line([sys,'/','Empf鋘ger/Diagramme'],[160,100;180,100;180,235;225,235])
add_line([sys,'/','Empf鋘ger/Diagramme'],[180,100;225,100])
add_line([sys,'/','Empf鋘ger/Diagramme'],[200,120;200,85;225,85])
add_line([sys,'/','Empf鋘ger/Diagramme'],[200,85;200,30;225,30])
add_line([sys,'/','Empf鋘ger/Diagramme'],[180,170;225,170])
add_line([sys,'/','Empf鋘ger/Diagramme'],[170,155;225,155])
add_line([sys,'/','Empf鋘ger/Diagramme'],[55,90;125,90])
add_line([sys,'/','Empf鋘ger/Diagramme'],[55,35;125,35])
add_line([sys,'/','Empf鋘ger/Diagramme'],[55,135;75,135;75,45;125,45])
add_line([sys,'/','Empf鋘ger/Diagramme'],[75,100;125,100])