Средства и методы разработки

Filter kind:
1 Butterworth
2 Chebyshev
3 Elliptic
 ? 1
Filter shape:
1 low pass
2 band pass
3 high pass
4 band stop
 ? 2
Order of filter = 8.000000000E+000 ? 5.000000000E+000
Sampling frequency = 1.000000000E+004 ? 1.000000000E+005
Passband edge = 2.000000000E+003 ? 1.000000000E+002
Other passband edge = 1.500000000E+003 ? 1.000000000E+004
s plane poles:
-1.000000000E+000 0.000000000E+000
-8.090169944E-001 5.877852523E-001
-3.090169944E-001 9.510565163E-001
s plane zeros:
adding zero at Nyquist frequency
adding zero at 0 Hz
adding zero at Nyquist frequency
adding zero at 0 Hz
adding zero at Nyquist frequency
adding zero at 0 Hz
adding zero at Nyquist frequency
adding zero at 0 Hz
adding zero at Nyquist frequency
adding zero at 0 Hz
order = 10
constant gain factor    1.2287628361445E-003
z plane Denominator      Numerator
 0  1.000000000E+000  1.228762836E-003
 1 -7.979208154E+000  0.000000000E+000
 2  2.872239538E+001 -6.143814181E-003
 3 -6.149319622E+001  0.000000000E+000
 4  8.679787409E+001  1.228762836E-002
 5 -8.445800019E+001  0.000000000E+000
 6  5.739718446E+001 -1.228762836E-002
 7 -2.690499761E+001  0.000000000E+000
 8  8.325320215E+000  6.143814181E-003
 9 -1.535545154E+000  0.000000000E+000
10  1.281731776E-001 -1.228762836E-003
poles and zeros with corresponding quadratic factors
pole     9.9361210463166E-001    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1   -9.9361210463166E-001
f0  5.00000000E+004  gain  5.0160E-001  DC gain  1.5655E+002

zero    -1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1    1.0000000000000E+000
f0  5.00000000E+004  gain  0.0000E+000  DC gain  2.0000E+000

pole     5.1679020982377E-001    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1   -5.1679020982377E-001
f0  5.00000000E+004  gain  6.5929E-001  DC gain  2.0695E+000

zero     1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1   -1.0000000000000E+000
f0  5.00000000E+004  gain  2.0000E+000  DC gain  0.0000E+000

pole     5.5426517654291E-001    2.3606301674445E-001
q. f.
z**2    3.6293563380263E-001
z**1   -1.1085303530858E+000
f0  6.40813451E+003  gain  3.4615E+000  DC gain  3.9307E+000

zero    -1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1    1.0000000000000E+000
f0  5.00000000E+004  gain  0.0000E+000  DC gain  2.0000E+000

zero     1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1   -1.0000000000000E+000
f0  5.00000000E+004  gain  2.0000E+000  DC gain  0.0000E+000

zero    -1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1    1.0000000000000E+000
f0  5.00000000E+004  gain  0.0000E+000  DC gain  2.0000E+000

pole     9.9489363330242E-001    3.7693825022973E-003
q. f.
z**2    9.8982754983013E-001
z**1   -1.9897872666048E+000
f0  6.02992086E+001  gain  2.1509E+004  DC gain  2.4824E+004

zero     1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1   -1.0000000000000E+000
f0  5.00000000E+004  gain  2.0000E+000  DC gain  0.0000E+000

pole     6.8717139775357E-001    4.7464057507144E-001
q. f.
z**2    6.9748820539474E-001
z**1   -1.3743427955071E+000
f0  9.62040971E+003  gain  5.7679E+000  DC gain  3.0946E+000

zero    -1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1    1.0000000000000E+000
f0  5.00000000E+004  gain  0.0000E+000  DC gain  2.0000E+000

zero     1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1   -1.0000000000000E+000
f0  5.00000000E+004  gain  2.0000E+000  DC gain  0.0000E+000

zero    -1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1    1.0000000000000E+000
f0  5.00000000E+004  gain  0.0000E+000  DC gain  2.0000E+000

pole     9.9807271222275E-001    5.9857790942379E-003
q. f.
z**2    9.9618496843504E-001
z**1   -1.9961454244455E+000
f0  9.54494495E+001  gain  4.3163E+004  DC gain  2.5288E+004

zero     1.0000000000000E+000    0.0000000000000E+000
q. f.
z**2    0.0000000000000E+000
z**1   -1.0000000000000E+000
f0  5.00000000E+004  gain  2.0000E+000  DC gain  0.0000E+000

       0.0     -999.99
    2500.0       -0.00
    5000.0       -0.00
    7500.0       -0.19
   10000.0       -3.01
   12500.0      -11.06
   15000.0      -19.84
   17500.0      -27.87
   20000.0      -35.29
   22500.0      -42.33
   25000.0      -49.20
   27500.0      -56.06
   30000.0      -63.09
   32500.0      -70.50
   35000.0      -78.52
   37500.0      -87.51
   40000.0      -98.06
   42500.0     -111.21
   45000.0     -129.27
   47500.0     -159.65
   50000.0    -1628.61

До 72дБ недотягивает, на 30К, но это же Баттерворт!