--- Saving session to:
ECE481_18-Apr-2003.txt
--- startup.m processed OK ---
; ; ; ; ; ; ;
g = 1/2
g =
0.5000
N=10
N =
10
acoeff = [1 zeros(1,N-1) -g -g]
acoeff =
Columns 1 through 7
1.0000 0 0 0 0 0 0
Columns 8 through 12
0 0 0 -0.5000 -0.5000
bcoeff=1
bcoeff =
1
H=freqz(bcoeff,acoeff,[0:pi/100:pi]
??? H=freqz(bcoeff,acoeff,[0:pi/100:pi]
|
Error: ")" expected, "end of line" found.
H=freqz(bcoeff,acoeff,[0:pi/100:pi])
Warning: Divide by zero.
> In C:\MatLab6p1\toolbox\signal\signal\freqz.m at line 87
H =
Columns 1 through 4
Inf 0.5011 - 3.0040i 0.5012 - 1.4604i 0.5012 - 0.9267i
Columns 5 through 8
0.5013 - 0.6446i 0.5014 - 0.4622i 0.5016 - 0.3284i 0.5018 - 0.2210i
Columns 9 through 12
0.5021 - 0.1284i 0.5025 - 0.0433i 0.5031 + 0.0393i 0.5040 + 0.1242i
Columns 13 through 16
0.5053 + 0.2163i 0.5074 + 0.3228i 0.5111 + 0.4548i 0.5183 + 0.6339i
Columns 17 through 20
0.5344 + 0.9085i 0.5819 + 1.4196i 0.8381 + 2.8256i 20.2389 + 6.8550i
Columns 21 through 24
1.0000 - 3.0777i 0.6374 - 1.4873i 0.5693 - 0.9403i 0.5452 - 0.6532i
Columns 25 through 28
0.5342 - 0.4684i 0.5286 - 0.3333i 0.5258 - 0.2253i 0.5248 - 0.1323i
Columns 29 through 32
0.5252 - 0.0471i 0.5270 + 0.0353i 0.5305 + 0.1196i 0.5364 + 0.2108i
Columns 33 through 36
0.5462 + 0.3154i 0.5631 + 0.4439i 0.5949 + 0.6152i 0.6633 + 0.8696i
Columns 37 through 40
0.8486 + 1.3071i 1.6175 + 2.1905i 5.6427 + 0.8458i 2.0684 - 2.2823i
Columns 41 through 44
1.0000 - 1.3764i 0.7504 - 0.9089i 0.6587 - 0.6412i 0.6162 - 0.4633i
Columns 45 through 48
0.5940 - 0.3315i 0.5822 - 0.2253i 0.5766 - 0.1338i 0.5756 - 0.0501i
Columns 49 through 52
0.5787 + 0.0307i 0.5863 + 0.1126i 0.6000 + 0.2000i 0.6230 + 0.2981i
Columns 53 through 56
0.6620 + 0.4141i 0.7318 + 0.5585i 0.8682 + 0.7450i 1.1660 + 0.9716i
Columns 57 through 60
1.8433 + 1.0618i 2.6472 + 0.2077i 2.0726 - 0.8614i 1.3458 - 0.9133i
Columns 61 through 64
1.0000 - 0.7265i 0.8372 - 0.5537i 0.7531 - 0.4158i 0.7067 - 0.3040i
Columns 65 through 68
0.6809 - 0.2096i 0.6680 - 0.1262i 0.6644 - 0.0493i 0.6691 + 0.0244i
Columns 69 through 72
0.6825 + 0.0975i 0.7065 + 0.1722i 0.7453 + 0.2500i 0.8060 + 0.3306i
Columns 73 through 76
0.9007 + 0.4093i 1.0454 + 0.4694i 1.2495 + 0.4674i 1.4714 + 0.3333i
Columns 77 through 80
1.5787 + 0.0577i 1.4875 - 0.2105i 1.2984 - 0.3434i 1.1251 - 0.3618i
Columns 81 through 84
1.0000 - 0.3249i 0.9169 - 0.2683i 0.8640 - 0.2072i 0.8324 - 0.1471i
Columns 85 through 88
0.8166 - 0.0899i 0.8134 - 0.0361i 0.8213 + 0.0139i 0.8398 + 0.0592i
Columns 89 through 92
0.8688 + 0.0980i 0.9076 + 0.1276i 0.9544 + 0.1439i 1.0045 + 0.1429i
Columns 93 through 96
1.0499 + 0.1227i 1.0813 + 0.0869i 1.0927 + 0.0447i 1.0848 + 0.0072i
Columns 97 through 100
1.0645 - 0.0177i 1.0402 - 0.0280i 1.0190 - 0.0258i 1.0049 - 0.0150i
Column 101
1.0000 - 0.0000i
plot(abs(H))
g=.1
g =
0.1000
acoeff = [1 zeros(1,N-1) -g -g]
acoeff =
Columns 1 through 7
1.0000 0 0 0 0 0 0
Columns 8 through 12
0 0 0 -0.1000 -0.1000
[H,F] = freqz(b,a,fs/2,fs);
??? Undefined function or variable 'b'.
H=freqz(bcoeff,acoeff,[0:pi/100:pi])
H =
Columns 1 through 4
1.2500 1.2255 - 0.0979i 1.1630 - 0.1692i 1.0850 - 0.2035i
Columns 5 through 8
1.0104 - 0.2056i 0.9483 - 0.1856i 0.9009 - 0.1526i 0.8674 - 0.1125i
Columns 9 through 12
0.8463 - 0.0689i 0.8361 - 0.0238i 0.8362 + 0.0216i 0.8465 + 0.0665i
Columns 13 through 16
0.8676 + 0.1095i 0.9008 + 0.1488i 0.9475 + 0.1808i 1.0080 + 0.1997i
Columns 17 through 20
1.0799 + 0.1971i 1.1540 + 0.1639i 1.2129 + 0.0963i 1.2363 + 0.0046i
Columns 21 through 24
1.2146 - 0.0872i 1.1575 - 0.1550i 1.0854 - 0.1889i 1.0153 - 0.1927i
Columns 25 through 28
0.9563 - 0.1754i 0.9108 - 0.1452i 0.8785 - 0.1079i 0.8581 - 0.0669i
Columns 29 through 32
0.8484 - 0.0244i 0.8486 + 0.0182i 0.8588 + 0.0600i 0.8792 + 0.0994i
Columns 33 through 36
0.9107 + 0.1344i 0.9539 + 0.1616i 1.0083 + 0.1760i 1.0705 + 0.1709i
Columns 37 through 40
1.1322 + 0.1401i 1.1796 + 0.0826i 1.1980 + 0.0075i 1.1815 - 0.0674i
Columns 41 through 44
1.1370 - 0.1244i 1.0789 - 0.1555i 1.0204 - 0.1620i 0.9695 - 0.1501i
Columns 45 through 48
0.9292 - 0.1260i 0.9001 - 0.0947i 0.8816 - 0.0596i 0.8729 - 0.0229i
Columns 49 through 52
0.8734 + 0.0139i 0.8830 + 0.0494i 0.9016 + 0.0820i 0.9294 + 0.1095i
Columns 53 through 56
0.9659 + 0.1290i 1.0095 + 0.1368i 1.0564 + 0.1290i 1.1000 + 0.1030i
Columns 57 through 60
1.1313 + 0.0602i 1.1427 + 0.0077i 1.1317 - 0.0439i 1.1025 - 0.0844i
Columns 61 through 64
1.0631 - 0.1086i 1.0218 - 0.1162i 0.9841 - 0.1102i 0.9533 - 0.0943i
Columns 65 through 68
0.9305 - 0.0719i 0.9159 - 0.0459i 0.9093 - 0.0184i 0.9102 + 0.0090i
Columns 69 through 72
0.9185 + 0.0347i 0.9335 + 0.0570i 0.9546 + 0.0742i 0.9805 + 0.0844i
Columns 73 through 76
1.0089 + 0.0858i 1.0368 + 0.0773i 1.0600 + 0.0592i 1.0750 + 0.0339i
Columns 77 through 80
1.0793 + 0.0054i 1.0727 - 0.0215i 1.0576 - 0.0427i 1.0375 - 0.0559i
Columns 81 through 84
1.0158 - 0.0609i 0.9956 - 0.0585i 0.9789 - 0.0504i 0.9665 - 0.0385i
Columns 85 through 88
0.9591 - 0.0245i 0.9565 - 0.0100i 0.9584 + 0.0038i 0.9641 + 0.0155i
Columns 89 through 92
0.9728 + 0.0243i 0.9833 + 0.0294i 0.9942 + 0.0306i 1.0041 + 0.0280i
Columns 93 through 96
1.0117 + 0.0225i 1.0163 + 0.0153i 1.0175 + 0.0077i 1.0159 + 0.0013i
Columns 97 through 100
1.0123 - 0.0032i 1.0079 - 0.0053i 1.0038 - 0.0050i 1.0010 - 0.0030i
Column 101
1.0000 - 0.0000i
plot(abs(H))
edit karstr
karstr(200,0.5)
Warning: Divide by zero.
> In C:\MatLab6p1\toolbox\signal\signal\freqz.m at line 87
In c:\documents and settings\doering\rhit\class\2002-03\spring\ece481\matlab\karstr.m at line 51
zoom on
karstr(100,0.5)
Warning: Divide by zero.
> In C:\MatLab6p1\toolbox\signal\signal\freqz.m at line 87
In c:\documents and settings\doering\rhit\class\2002-03\spring\ece481\matlab\karstr.m at line 51
karstr(20,0.5)
Warning: Divide by zero.
> In C:\MatLab6p1\toolbox\signal\signal\freqz.m at line 87
In c:\documents and settings\doering\rhit\class\2002-03\spring\ece481\matlab\karstr.m at line 51
karstr(1000,0.5)
Warning: Divide by zero.
> In C:\MatLab6p1\toolbox\signal\signal\freqz.m at line 87
In c:\documents and settings\doering\rhit\class\2002-03\spring\ece481\matlab\karstr.m at line 51
karstr(1000,0.25)
karstr(1000,0.501)
exit