ookwnymf.m

现代通信系统（prokis）的所有matlab源程序,对初学者很有帮助的。

%     Finished composite block ['Wurzel-Nyquist',13,'Filter'].

set_param([sys,'/',['Wurzel-Nyquist',13,'Filter']],...
		'position',[725,98,805,142])


%     Subsystem  'Wurzel-Nyquist'.

new_system([sys,'/','Wurzel-Nyquist'])
set_param([sys,'/','Wurzel-Nyquist'],'Location',[131,545,589,761])


%     Subsystem  'Wurzel-Nyquist/Memory Impulse'.

new_system([sys,'/','Wurzel-Nyquist/Memory Impulse'])
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse'],'Location',[541,520,939,745])

add_block('built-in/Inport',[sys,'/','Wurzel-Nyquist/Memory Impulse/in_1'])
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse/in_1'],...
		'position',[35,185,55,205])

add_block('built-in/Zero-Order Hold',[sys,'/',['Wurzel-Nyquist/Memory Impulse/Zero-Order',13,'Hold']])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/Zero-Order',13,'Hold']],...
		'Sample time','ts',...
		'position',[205,84,240,116])

add_block('built-in/Product',[sys,'/','Wurzel-Nyquist/Memory Impulse/Product'])
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse/Product'],...
		'position',[155,90,180,110])

add_block('built-in/Outport',[sys,'/','Wurzel-Nyquist/Memory Impulse/out_1'])
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse/out_1'],...
		'position',[355,130,375,150])

add_block('built-in/Constant',[sys,'/','Wurzel-Nyquist/Memory Impulse/Constant'])
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse/Constant'],...
		'Value','x',...
		'position',[210,155,230,175])

add_block('built-in/Switch',[sys,'/','Wurzel-Nyquist/Memory Impulse/Switch'])
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse/Switch'],...
		'Threshold','.5',...
		'position',[295,124,320,156])


%     Subsystem  ['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector'].

new_system([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],'Location',[419,521,808,713])

add_block('built-in/Relational Operator',[sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/Relational',13,'Operator']])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/Relational',13,'Operator']],...
		'position',[135,18,165,42])

add_block('built-in/Inport',[sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/in_1']])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/in_1']],...
		'position',[10,15,30,35])

add_block('built-in/Constant',[sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/one1']])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/one1']],...
		'Value','thld',...
		'position',[30,135,60,155])

add_block('built-in/Relational Operator',[sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/Relational',13,'Operator2']])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/Relational',13,'Operator2']],...
		'Operator','>',...
		'position',[265,23,295,47])

add_block('built-in/Relational Operator',[sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/Relational',13,'Operator1']])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/Relational',13,'Operator1']],...
		'position',[200,88,230,112])

add_block('built-in/Outport',[sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/out_1']])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/out_1']],...
		'position',[340,25,360,45])

add_block('built-in/Unit Delay',[sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/Unit Delay']])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector/Unit Delay']],...
		'Sample time','ts',...
		'position',[120,87,170,103])
add_line([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],[300,35;335,35])
add_line([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],[235,100;240,100;240,40;260,40])
add_line([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],[170,30;260,30])
add_line([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],[65,145;100,145;100,35;130,35])
add_line([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],[100,145;180,145;180,105;195,105])
add_line([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],[175,95;195,95])
add_line([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],[35,25;130,25])
add_line([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],[45,25;45,95;115,95])
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],...
		'Mask Display','Edge\nDetector',...
		'Mask Type','Edge Detection',...
		'Mask Dialogue','Rising edge detection:|Threshold:|Sampling time:')
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],...
		'Mask Translate','thld=@1;ts=@2;')
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],...
		'Mask Help','When the input signal rising edge passed the given shreshold, this block outputs one, otherwise outputs zero.')
set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],...
		'Mask Entries','thr\/ts\/')


%     Finished composite block ['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector'].

set_param([sys,'/',['Wurzel-Nyquist/Memory Impulse/discrete',13,'Rising edge',13,'detector']],...
		'position',[65,26,120,54])

add_block('built-in/Inport',[sys,'/','Wurzel-Nyquist/Memory Impulse/in_2'])
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse/in_2'],...
		'Port','2',...
		'position',[25,30,45,50])
add_line([sys,'/','Wurzel-Nyquist/Memory Impulse'],[245,100;260,100;260,130;290,130])
add_line([sys,'/','Wurzel-Nyquist/Memory Impulse'],[185,100;200,100])
add_line([sys,'/','Wurzel-Nyquist/Memory Impulse'],[60,195;280,195;290,150])
add_line([sys,'/','Wurzel-Nyquist/Memory Impulse'],[95,195;95,105;150,105])
add_line([sys,'/','Wurzel-Nyquist/Memory Impulse'],[325,140;350,140])
add_line([sys,'/','Wurzel-Nyquist/Memory Impulse'],[235,165;250,165;250,140;290,140])
add_line([sys,'/','Wurzel-Nyquist/Memory Impulse'],[125,40;130,40;130,95;150,95])
add_line([sys,'/','Wurzel-Nyquist/Memory Impulse'],[50,40;60,40])
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse'],...
		'Mask Display','1/sinc',...
		'Mask Type','Impulse',...
		'Mask Dialogue','1/sinc filter:|Holding time:|Threshold for clock pulse: ',...
		'Mask Translate','ts=@1;thr=@2;x=thr>0;')
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse'],...
		'Mask Help','When the threshold is greater than zero, this block outputs an impulse signal, which begins at the raising edge of the second input and lasts the holding time. The impulse holds a constant amplitude, which equals the amplitude of the first input at the begining of the impulse. A clock raising edge will trigger next impulse. When the threshold is less or equal to zero, this block faithfully outputs the first input.')
set_param([sys,'/','Wurzel-Nyquist/Memory Impulse'],...
		'Mask Entries','ts\/x\/')


%     Finished composite block 'Wurzel-Nyquist/Memory Impulse'.

set_param([sys,'/','Wurzel-Nyquist/Memory Impulse'],...
		'position',[155,30,225,70])

add_block('built-in/Filter',[sys,'/','Wurzel-Nyquist/Filter'])
set_param([sys,'/','Wurzel-Nyquist/Filter'],...
		'Numerator','num',...
		'Denominator','den',...
		'Sample time','ts',...
		'position',[255,31,310,69])

add_block('built-in/Outport',[sys,'/','Wurzel-Nyquist/out_1'])
set_param([sys,'/','Wurzel-Nyquist/out_1'],...
		'position',[330,40,350,60])

add_block('built-in/Inport',[sys,'/','Wurzel-Nyquist/in_1'])
set_param([sys,'/','Wurzel-Nyquist/in_1'],...
		'position',[35,30,55,50])


%     Subsystem  ['Wurzel-Nyquist/Pulses deivide',13,'same sample time1'].

new_system([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1']])
set_param([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1']],'Location',[55,192,283,286])

add_block('built-in/Outport',[sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1/Outport']])
set_param([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1/Outport']],...
		'position',[160,35,180,55])

add_block('built-in/S-Function',[sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1/S-function1']])
set_param([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1/S-function1']],...
		'function name','homopuls',...
		'parameters','samp_time, out_divid, offset',...
		'position',[40,31,105,59])
add_line([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1']],[110,45;155,45])
set_param([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1']],...
		'Mask Display','Vector\nPulse',...
		'Mask Type','Pulse generator')
set_param([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1']],...
		'Mask Dialogue','Vector pulses with sample rate of each pulse as Sample_time ./Divider. |Sample time (scalar, sec):|Divider (integer vector):|Offset (have same dimension as Divider:')
set_param([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1']],...
		'Mask Translate','samp_time=@1;out_divid=@2;offset=@3;')
set_param([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1']],...
		'Mask Help','This block generator a vector pulses. The output length is the same as the vector defined in "Divider". The ith element of the output has the sample time Sample_time/Divider(i). All elements in "Divider" must be integers.')
set_param([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1']],...
		'Mask Entries','td\/1\/off\/')


%     Finished composite block ['Wurzel-Nyquist/Pulses deivide',13,'same sample time1'].

set_param([sys,'/',['Wurzel-Nyquist/Pulses deivide',13,'same sample time1']],...
		'position',[35,71,95,109])
add_line([sys,'/','Wurzel-Nyquist'],[100,90;115,90;115,60;150,60])
add_line([sys,'/','Wurzel-Nyquist'],[230,50;250,50])
add_line([sys,'/','Wurzel-Nyquist'],[60,40;150,40])
add_line([sys,'/','Wurzel-Nyquist'],[315,50;325,50])
set_param([sys,'/','Wurzel-Nyquist'],...
		'Mask Display','R-C\nfilter',...
		'Mask Type','R-C filter')
set_param([sys,'/','Wurzel-Nyquist'],...
		'Mask Dialogue','Design a raised cosine filter and use it to filter the input signal.|Symbol interval (sec):|Computation sampling time (sec):|Filter rolloff factor:|Delay step (integer to multiply symbol interval):|Filter type (FIR or IIR) / (Normal or Sqrt):|With or without sinc filter (1 or 0, suggest 1):')
set_param([sys,'/','Wurzel-Nyquist'],...
		'Mask Translate','td=@1;if length(td)>1,off=td(2);td=td(1);else,off=0;end;ts=@2;R=@3;delay=@4;fil=@5;[num,den]=rcosine(1/td(1),1/ts(1),fil,R,delay);x=@6/2;')
set_param([sys,'/','Wurzel-Nyquist'],...
		'Mask Help','This block designs a raised cosine filter using the specified parameter. The filter is used to filter the input signal. You can optionally use the sinc filter in the filtering computation.')
set_param([sys,'/','Wurzel-Nyquist'],...
		'Mask Entries','1\/.05\/0.5\/6\/''FIR/Sqrt''\/1\/')


%     Finished composite block 'Wurzel-Nyquist'.

set_param([sys,'/','Wurzel-Nyquist'],...
		'position',[70,98,150,142])

add_block('built-in/Gain',[sys,'/','Gain'])
set_param([sys,'/','Gain'],...
		'hide name',0,...
		'Gain','4',...
		'position',[170,107,195,133])

add_block('built-in/Scope',[sys,'/','x_e(t)'])
set_param([sys,'/','x_e(t)'],...
		'orientation',1,...
		'Vgain','2.000000',...
		'Hgain','25.000000',...
		'Vmax','4.000000',...
		'Hmax','50.000000',...
		'Window',[344,727,1280,827])
open_system([sys,'/','x_e(t)'])
set_param([sys,'/','x_e(t)'],...
		'position',[690,175,720,205])

add_block('built-in/Scope',[sys,'/','Empfangssignal r(t)'])
set_param([sys,'/','Empfangssignal r(t)'],...
		'orientation',1,...
		'Vgain','2.000000',...
		'Hgain','25.000000',...
		'Vmax','4.000000',...
		'Hmax','50.000000',...
		'Window',[344,630,1280,730])
open_system([sys,'/','Empfangssignal r(t)'])
set_param([sys,'/','Empfangssignal r(t)'],...
		'position',[585,205,615,235])

add_block('built-in/Clock',[sys,'/','Clock'])
set_param([sys,'/','Clock'],...
		'hide name',0,...
		'position',[215,140,235,160])

add_block('built-in/Fcn',[sys,'/','Fcn1'])
set_param([sys,'/','Fcn1'],...
		'hide name',0,...
		'Expr','cos(4*pi*u)',...
		'position',[260,135,355,165])

add_block('built-in/Product',[sys,'/','Product'])