tstbchsq.m

数字通信第四版原书的例程

set_param([sys,'/',['K-step',13,'delay']],...
		'Mask Help','This block holds the input signal for K steps and then outputs the signal. The delay step cannot be changed during the simulation.',...
		'Mask Entries','N_bch_demo\/1/N_bch_demo\/0\/')


%     Finished composite block ['K-step',13,'delay'].

set_param([sys,'/',['K-step',13,'delay']],...
		'ForeGround',3,...
		'hide name',0,...
		'position',[490,138,570,182])


%     Subsystem  ['Pulses divide',13,'same sample time'].

new_system([sys,'/',['Pulses divide',13,'same sample time']])
set_param([sys,'/',['Pulses divide',13,'same sample time']],'Location',[55,192,283,286])

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

add_block('built-in/S-Function',[sys,'/',['Pulses divide',13,'same sample time/S-function1']])
set_param([sys,'/',['Pulses divide',13,'same sample time/S-function1']],...
		'function name','homopuls',...
		'parameters','samp_time, out_divid, offset',...
		'position',[40,31,105,59])
add_line([sys,'/',['Pulses divide',13,'same sample time']],[110,45;155,45])
set_param([sys,'/',['Pulses divide',13,'same sample time']],...
		'Mask Display','plot(0,0,100,100,x,y);Pulse',...
		'Mask Type','Pulse generator')
set_param([sys,'/',['Pulses divide',13,'same sample time']],...
		'Mask Dialogue','Vector pulses with sample rate of each pulse as Sample_time / Divider.|Sample time (scalar, sec):|Divider (integer vector):|Offset (same length as Divider):')
set_param([sys,'/',['Pulses divide',13,'same sample time']],...
		'Mask Translate','samp_time=@1;out_divid=@2;offset=@3;[x,y]=srcsicon(2);')
set_param([sys,'/',['Pulses divide',13,'same sample time']],...
		'Mask Help','This block generates a vector pulse. The output length is the same as the divider vector length. The ith element of the output has the sample time Sample_time/Divider(i). All elements in divider must be integers.')
set_param([sys,'/',['Pulses divide',13,'same sample time']],...
		'Mask Entries','1\/N_bch_demo\/.5/N_bch_demo\/')


%     Finished composite block ['Pulses divide',13,'same sample time'].

set_param([sys,'/',['Pulses divide',13,'same sample time']],...
		'hide name',0,...
		'position',[265,123,345,167])


%     Subsystem  ['Binary error',13,'channel'].

new_system([sys,'/',['Binary error',13,'channel']])
set_param([sys,'/',['Binary error',13,'channel']],'Location',[259,203,738,408])

add_block('built-in/Outport',[sys,'/',['Binary error',13,'channel/out_2']])
set_param([sys,'/',['Binary error',13,'channel/out_2']],...
		'Port','2',...
		'position',[275,125,295,145])

add_block('built-in/Saturation',[sys,'/',['Binary error',13,'channel/Saturation']])
set_param([sys,'/',['Binary error',13,'channel/Saturation']],...
		'Lower Limit','0',...
		'Upper Limit','1',...
		'position',[165,70,190,90])

add_block('built-in/S-Function',[sys,'/',['Binary error',13,'channel/Modulo',13,'operation']])
set_param([sys,'/',['Binary error',13,'channel/Modulo',13,'operation']],...
		'function name','arymodu',...
		'parameters','md',...
		'Mask Display','Modulo',...
		'Mask Type','Modulo',...
		'Mask Dialogue','Modulo operation:|Modulo base:')
set_param([sys,'/',['Binary error',13,'channel/Modulo',13,'operation']],...
		'Mask Translate','md = @1;')
set_param([sys,'/',['Binary error',13,'channel/Modulo',13,'operation']],...
		'Mask Help','This block output modulus operation of the input signal with module base as specified in block entry. The length of the output vector is the same as the input vector.')
set_param([sys,'/',['Binary error',13,'channel/Modulo',13,'operation']],...
		'Mask Entries','2\/',...
		'position',[300,56,360,94])

add_block('built-in/Sum',[sys,'/',['Binary error',13,'channel/Sum']])
set_param([sys,'/',['Binary error',13,'channel/Sum']],...
		'position',[235,65,255,85])

add_block('built-in/Outport',[sys,'/',['Binary error',13,'channel/out_1']])
set_param([sys,'/',['Binary error',13,'channel/out_1']],...
		'position',[390,65,410,85])

add_block('built-in/Inport',[sys,'/',['Binary error',13,'channel/in_1']])
set_param([sys,'/',['Binary error',13,'channel/in_1']],...
		'position',[95,30,115,50])


%     Subsystem  ['Binary error',13,'channel/Poisson',13,'noise'].

new_system([sys,'/',['Binary error',13,'channel/Poisson',13,'noise']])
set_param([sys,'/',['Binary error',13,'channel/Poisson',13,'noise']],'Location',[391,74,676,237])

add_block('built-in/Outport',[sys,'/',['Binary error',13,'channel/Poisson',13,'noise/out_1']])
set_param([sys,'/',['Binary error',13,'channel/Poisson',13,'noise/out_1']],...
		'position',[165,65,185,85])

add_block('built-in/S-Function',[sys,'/',['Binary error',13,'channel/Poisson',13,'noise/Poisson distribution',13,'number']])
set_param([sys,'/',['Binary error',13,'channel/Poisson',13,'noise/Poisson distribution',13,'number']],...
		'function name','srandpoi',...
		'parameters','seed,lambda',...
		'position',[65,55,135,95])
add_line([sys,'/',['Binary error',13,'channel/Poisson',13,'noise']],[140,75;160,75])
set_param([sys,'/',['Binary error',13,'channel/Poisson',13,'noise']],...
		'Mask Display','Poison\nrand int',...
		'Mask Type','Poisson distribution noise.',...
		'Mask Dialogue','Poisson distribution number generator.|Lambda:|Seed:')
set_param([sys,'/',['Binary error',13,'channel/Poisson',13,'noise']],...
		'Mask Translate','seed=@2;lambda=@1;')
set_param([sys,'/',['Binary error',13,'channel/Poisson',13,'noise']],...
		'Mask Help','The output of this block is poisson distributed integers. The output size is the same as the vector size for seed. Please use function disttool to see the distribution of the outputof this block.')
set_param([sys,'/',['Binary error',13,'channel/Poisson',13,'noise']],...
		'Mask Entries','P\/(randint(1, M)+100)*1000*max(P)\/')


%     Finished composite block ['Binary error',13,'channel/Poisson',13,'noise'].

set_param([sys,'/',['Binary error',13,'channel/Poisson',13,'noise']],...
		'position',[20,94,95,136])
add_line([sys,'/',['Binary error',13,'channel']],[195,80;230,80])
add_line([sys,'/',['Binary error',13,'channel']],[210,80;210,135;270,135])
add_line([sys,'/',['Binary error',13,'channel']],[260,75;295,75])
add_line([sys,'/',['Binary error',13,'channel']],[100,115;140,115;140,80;160,80])
add_line([sys,'/',['Binary error',13,'channel']],[120,40;210,40;210,70;230,70])
add_line([sys,'/',['Binary error',13,'channel']],[365,75;385,75])
set_param([sys,'/',['Binary error',13,'channel']],...
		'Mask Display','plot(0,0,100,100,x,y);B-error',...
		'Mask Type','Add binary errors')
set_param([sys,'/',['Binary error',13,'channel']],...
		'Mask Dialogue','The error probability can be a scalar or a vector with the same length as the\ninput vector length.|Error probability:|Input vector length:')
set_param([sys,'/',['Binary error',13,'channel']],...
		'Mask Translate','M=@2;P=@1;if length(P)~=M,P=ones(1,M)*P(1);end;[x,y]=chanicon;')
set_param([sys,'/',['Binary error',13,'channel']],...
		'Mask Help','This block adds binary errors to transmitted binary signals. The error probability is given in the parameter setting. The first output port outputs the transmitting signal (after adding noise). The second port outputs the errors signal added to the transmitting signal.')
set_param([sys,'/',['Binary error',13,'channel']],...
		'Mask Entries','.03\/1\/')


%     Finished composite block ['Binary error',13,'channel'].

set_param([sys,'/',['Binary error',13,'channel']],...
		'hide name',0,...
		'position',[260,68,340,112])


%     Subsystem  ['Binary sequence',13,'BCH encode'].

new_system([sys,'/',['Binary sequence',13,'BCH encode']])
set_param([sys,'/',['Binary sequence',13,'BCH encode']],'Location',[248,302,892,459])


%     Subsystem  ['Binary sequence',13,'BCH encode/Register-shift'].

new_system([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],'Location',[237,587,592,717])

add_block('built-in/Demux',[sys,'/',['Binary sequence',13,'BCH encode/Register-shift/Demux']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift/Demux']],...
		'outputs','[len_rg, 1]',...
		'position',[260,55,300,90])

add_block('built-in/S-Function',[sys,'/',['Binary sequence',13,'BCH encode/Register-shift/S-function']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift/S-function']],...
		'function name','regshift',...
		'parameters','shft_out, thrhld',...
		'position',[150,65,200,85])

add_block('built-in/Mux',[sys,'/',['Binary sequence',13,'BCH encode/Register-shift/Mux']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift/Mux']],...
		'inputs','2',...
		'position',[80,56,115,89])

add_block('built-in/Outport',[sys,'/',['Binary sequence',13,'BCH encode/Register-shift/out_1']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift/out_1']],...
		'position',[330,55,350,75])

add_block('built-in/Outport',[sys,'/',['Binary sequence',13,'BCH encode/Register-shift/out_2']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift/out_2']],...
		'Port','2',...
		'position',[330,70,350,90])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH encode/Register-shift/in_1']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift/in_1']],...
		'position',[30,55,50,75])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH encode/Register-shift/in_2']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift/in_2']],...
		'Port','2',...
		'position',[30,70,50,90])
add_line([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],[120,75;145,75])
add_line([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],[205,75;255,75])
add_line([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],[305,65;325,65])
add_line([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],[305,80;325,80])
add_line([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],[55,65;75,65])
add_line([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],[55,80;75,80])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],...
		'Mask Display','Register\nshift',...
		'Mask Type','Register-shift')
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],...
		'Mask Dialogue','Store and shift the input from 1st port by raising edge of the pulse from second port.|Vector specify ouput delay length(non-negative integer):|Threshold for the pulse signal from the 2nd port:')
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],...
		'Mask Translate','shft_out=@1; thrhld=@2; len_rg=length(@1);')
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],...
		'Mask Help','This block store the 1st inport signal at the raising edge of 2nd inport pulse. The 1st outport outputs a vector with its size same as the the size of the 1st entree of this block. The maximum delay is the register size of this block. The second outport output a positive pulse at the begining of entire register refreshment.')
set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],...
		'Mask Entries','[k:-1:1]\/.1\/')


%     Finished composite block ['Binary sequence',13,'BCH encode/Register-shift'].

set_param([sys,'/',['Binary sequence',13,'BCH encode/Register-shift']],...
		'BackGround',3,...
		'position',[230,26,285,59])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH encode/in_1']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/in_1']],...
		'position',[55,25,75,45])


%     Subsystem  ['Binary sequence',13,'BCH encode/Binary-vector',13,'BCH encode'].

new_system([sys,'/',['Binary sequence',13,'BCH encode/Binary-vector',13,'BCH encode']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Binary-vector',13,'BCH encode']],'Location',[235,592,599,711])

add_block('built-in/Inport',[sys,'/',['Binary sequence',13,'BCH encode/Binary-vector',13,'BCH encode/in_1']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Binary-vector',13,'BCH encode/in_1']],...
		'position',[30,35,50,55])

add_block('built-in/State-Space',[sys,'/',['Binary sequence',13,'BCH encode/Binary-vector',13,'BCH encode/Matrix',13,'Gain']])
set_param([sys,'/',['Binary sequence',13,'BCH encode/Binary-vector',13,'BCH encode/Matrix',13,'Gain']],...
		'A','[]',...
		'B','[]',...