Signal Processing Toolbox |
|
Frequency Specifications Region: Bandpass
IIR Butterworth
Select the units for frequency specifications from the Units list:
Normalized (0 to 1)
, where 1 corresponds to the Nyquist frequency
Hz
(default)
kHz
MHz
GHz
If Specify order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fc1 (or wc1)--first cutoff frequency, the frequency preceding the passband at which the magnitude response is 3 dB below the passband gain
- Fc2 (or wc2)--second cutoff frequency, the frequency following the passbandat which the magnitude response is 3 dB below the passband gain
If Minimum order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fstop1 (or wstop1)--end of the first stopband
- Fpass1 (or wpass1)--beginning of the passband
- Fpass2 (or wpass2)--end of the passband
- Fstop2 (or wstop2)--beginning of the second stopband
IIR Chebyshev Type I
Select the units for frequency specifications from the Units list:
Normalized (0 to 1)
, where 1 corresponds to the Nyquist frequency
Hz
(default)
kHz
MHz
GHz
If Specify order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fpass1 (or wpass1)--beginning of the passband
- Fpass2 (or wpass2)--end of the passband
If Minimum order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fstop1 (or wstop1)--end of the first stopband
- Fpass1 (or wpass1)--beginning of the passband
- Fpass2 (or wpass2)--end of the passband
- Fstop2 (or wstop2)--beginning of the second stopband
IIR Chebyshev Type II
Select the units for frequency specifications from the Units list:
Normalized (0 to 1)
, where 1 corresponds to the Nyquist frequency
Hz
(default)
kHz
MHz
GHz
If Specify order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fstop1 (or wstop1)--end of first stopband
- Fstop2 (or wstop2)--beginning of second stopband
If Minimum order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fstop1 (or wstop1)--end of the first stopband
- Fpass1 (or wpass1)--beginning of the passband
- Fpass2 (or wpass2)--end of the passband
- Fstop2 (or wstop2)--beginning of the second stopband
IIR Elliptic
Select the units for frequency specifications from the Units list:
Normalized (0 to 1)
, where 1 corresponds to the Nyquist frequency
Hz
(default)
kHz
MHz
GHz
If Specify order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fpass1 (or wpass1)--beginning of the passband
- Fpass2 (or wpass2)--end of the passband
If Minimum order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fstop1 (or wstop1)--end of the first stopband
- Fpass1 (or wpass1)--beginning of the passband
- Fpass2 (or wpass2)--end of the passband
- Fstop2 (or wstop2)--beginning of the second stopband
- Fpass (or wpass)--end of the passband
FIR Equiripple
Select the units for frequency specifications from the Units list:
Normalized (0 to 1)
, where 1 corresponds to the Nyquist frequency
Hz
(default)
kHz
MHz
GHz
Specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fstop1 (or wstop1)--end of the first stopband
- Fpass1 (or wpass1)--beginning of the passband
- Fpass2 (or wpass2)--end of the passband
- Fstop2 (or wstop2)--beginning of the second stopband
- Fpass (or wpass)--end of the passband
FIR Least-Squares
Select the units for frequency specifications from the Units list:
Normalized (0 to 1)
, where 1 corresponds to the Nyquist frequency
Hz
(default)
kHz
MHz
GHz
Specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fstop1 (or wstop1)--end of the first stopband
- Fpass1 (or wpass1)--beginning of the passband
- Fpass2 (or wpass2)--end of the passband
- Fstop2 (or wstop2)--beginning of the second stopband
- Fpass (or wpass)--end of the passband
FIR Window
Select the units for frequency specifications from the Units list:
Normalized (0 to 1)
, where 1 corresponds to the Nyquist frequency
Hz
(default)
kHz
MHz
GHz
If Specify order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fc1 (or wc1)--first cutoff frequency, the frequency preceding the passband at which the magnitude response is 6 dB below the passband gain
- Fc2 (or wc2)--second cutoff frequency, the frequency following the passbandat which the magnitude response is 6 dB below the passband gain
If Minimum order is selected in the Filter Order region, specify the following frequencies in the text boxes:
- Fs (sampling frequency)--required when
Hz
, kHz
, MHz
, or GHz
is selected
- Fstop1 (or wstop1)--end of the first stopband
- Fpass1 (or wpass1)--beginning of the passband
- Fpass2 (or wpass2)--end of the passband
- Fstop2 (or wstop2)--beginning of the second stopband
FIR Constr. Least-Squares
Select the units for frequency specifications from the Units list:
Normalized (0 to 1)
, where 1 corresponds to the Nyquist frequency
Hz
(default)
kHz
MHz
GHz
Specify the sampling and cutoff frequencies:
- Fc1 (or wc1)--first cutoff frequency, the frequency preceding the passband at which the magnitude response is 6 dB below the passband gain
- Fc2 (or wc2)--second cutoff frequency, the frequency following the passband at which the magnitude response is 6 dB below the passband gain
| Frequency Specifications Region: Highpass | | Frequency Specifications Region: Bandstop | |
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