| Signal Processing Toolbox | |
Magnitude Specifications Region
The Magnitude Specifications region allows you to enter magnitude parameters for the filter design. The options available vary with the selections in the Filter Type and Design Method regions.
| Filter Type |
IIR |
FIR |
| Lowpass |
Butterworth, Chebyshev Type I, Chebyshev Type II, Elliptic, Maximally Flat, Least Pth-norm*, Constrained Least Pth-norm* |
Equiripple, Least-squares, Window, Maximally Flat, Least Pth-norm*, Constrained Equiripple* |
| Highpass |
Butterworth, Chebyshev Type I, Chebyshev Type II, Elliptic, Maximally Flat, Least Pth-norm*, Constrained Least Pth-norm* |
Equiripple, Least-squares, Window, Maximally Flat, Least Pth-norm*, Constrained Equiripple* |
| Bandpass |
Butterworth, Chebyshev Type I, Chebyshev Type II, Elliptic, Least Pth-norm*, Constrained Least Pth-norm* |
Equiripple, Least-squares, Window, Least Pth-norm* |
| Bandstop |
Butterworth, Chebyshev Type I, Chebyshev Type II, Elliptic, Least Pth-norm*, Constrained Least Pth-norm* |
Equiripple, Least-squares, Window, Least Pth-norm* |
Magnitude Specifications Region: Lowpass
| IIR |
FIR |
| Butterworth |
Equiripple |
| Chebyshev Type I |
Least-squares |
| Chebyshev Type II |
Window |
| Elliptic |
Maximally flat |
| Maximally flat |
Least Pth-norm (available only with Filter Design Toolbox only) |
| Least Pth-norm (available only with Filter Design Toolbox) |
|
| Constrained Least Pth-norm (available only with Filter Design Toolbox) |
IIR Butterworth. If Specify order is selected in the Filter Orderregion, the attenuation at the cutoff frequency is fixed at 3 dB (half the passband power).
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the magnitude response characteristics in the text boxes:
IIR Chebyshev Type I. If Specify order is selected in the Filter Order region, specify the passband ripple (Apass or Epass) in decibels.
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
IIR Chebyshev Type II. If Specify order is selected in the Filter Order region, specify the stopband attenuation (Astop or Estop) in decibels.
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
IIR Elliptic. Select the units for magnitude response characteristics from the Units list:
Specify the magnitude response characteristics (in dB) in the text boxes:
IIR Maximally Flat. The magnitude at cutoff frequencies is fixed at half the passband gain (-3dB).
IIR Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See iirlpnorm for more information.
Specify the magnitude weights, as linear multipliers, in the text boxes:
IIR Constrained Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See iirlpnormc for more information.
Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Equiripple. If Specify order is selected in the Filter Order region, specify the following relative weights in the text boxes:
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
FIR Least Squares. Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Window. If Specify order is selected in the Filter Order region, the attenuation at the cutoff frequency is fixed at 6 dB (half the passband gain).
For the Kaiser window option, if Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
FIR Maximally Flat. The magnitude at cutoff frequencies is fixed at half the passband gain (-3dB).
FIR Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See firlpnorm for more information.]
Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Constrained Equiripple. Note that this design method is available only if you have the Filter Design Toolbox installed. See firceqrip for more information.
Select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
Magnitude Specifications Region: Highpass
| IIR |
FIR |
| Butterworth |
Equiripple |
| Chebyshev Type I |
Least-squares |
| Chebyshev Type II |
Window |
| Elliptic |
Least Pth-norm (available only with Filter Design Toolbox only) |
| Least Pth-norm (available only with Filter Design Toolbox) |
|
| Constrained Least Pth-norm (available only with Filter Design Toolbox) |
IIR Butterworth. If Specify order is selected in the Filter Order region, the attenuation at the cutoff frequency is fixed at 3 dB (half the passband power).
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the magnitude response characteristics in the text boxes:
IIR Chebyshev Type I. If Specify order is selected in the Filter Order region, specify the passband ripple (Apass or Epass) in decibels.
Select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
IIR Chebyshev Type II. If Specify order is selected in the Filter Order region, specify the stopband attenuation (Astop or Estop) in decibels.
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
IIR Elliptic. Select the units for magnitude response characteristics from the Units list:
Specify the magnitude response characteristics (in dB) in the text boxes:
IIR Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See iirlpnorm for more information.
Specify the magnitude weights, as linear multipliers, in the text boxes:
IIR Constrained Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See iirlpnormc for more information.
Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Equiripple. If Specify order is selected in the Filter Order region, specify the following relative weights in the text boxes:
If Minimum order is selected in the Filter Orderregion, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
FIR Least Squares. Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Window. If Specify order is selected in the Filter Order region, the attenuation at the cutoff frequency is fixed at 6 dB (half the passband gain).
For the Kaiser window option, if Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
FIR Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See firlpnorm for more information.]
Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Constrained Equiripple. Note that this design method is available only if you have the Filter Design Toolbox installed. See firceqrip for more information.
Select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
Magnitude Specifications Region: Bandpass
| IIR |
FIR |
| Butterworth |
Equiripple |
| Chebyshev Type I |
Least Squares |
| Chebyshev Type II |
Window |
| Elliptic |
Least Pth-Norm (available only with Filter Design Toolbox only) |
| Least Pth-Norm (available only with Filter Design Toolbox) |
|
| Constrained Least Pth-Norm (available only with Filter Design Toolbox) |
IIR Butterworth. If Specify order is selected in the Filter Order region, the attenuation at the cutoff frequency is fixed at 3 dB (half the passband power).
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the magnitude response characteristics in the text boxes:
IIR Chebyshev Type I. If Specify order is selected in the Filter Order region, specify the passband ripple (Apass) in decibels.
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
IIR Chebyshev Type II. If Specify order is selected in the Filter Order region, specify the stopband attenuation (Astop or Estop) in decibels.
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
IIR Elliptic. Select the units for magnitude response characteristics from the Units list:
If Specify order is selected in the Filter Order region, specify the following magnitude response characteristics (in dB) in the text boxes:
If Minimum order is selected in the Filter Order region, specify the following magnitude response characteristics (in dB) in the text boxes:
IIR Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See iirlpnorm for more information.
Specify the magnitude weights, as linear multipliers, in the text boxes:
IIR Constrained Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See iirlpnormc for more information.
Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Equiripple. If Specify order is selected in the Filter Order region, specify the following relative weights in the text boxes:
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
FIR Least Squares. Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Window. If Specify order is selected in the Filter Order region, the attenuation at the cutoff frequency is fixed at 6 dB (half the passband gain).
For the Kaiser window option, if Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
FIR Least Pth-norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See firlpnorm for more information.]
Specify the magnitude weights, as linear multipliers, in the text boxes:
Magnitude Specifications Region: Bandstop
| IIR |
FIR |
| Butterworth |
Equiripple |
| Chebyshev Type I |
Least Squares |
| Chebyshev Type II |
Window |
| Elliptic |
Least Pth-Norm (available only with Filter Design Toolbox only) |
| Least Pth-Norm (available only with Filter Design Toolbox) |
|
| Constrained Least Pth-Norm (available only with Filter Design Toolbox) |
IIR Butterworth. If Specify order is selected in the Filter Orderregion, the attenuation at the cutoff frequency is fixed at 3 dB (half the passband power).
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the magnitude response characteristics in the text boxes:
IIR Chebyshev Type I. If Specify order is selected in the Filter Order region, specify the passband ripple (Apass) in decibels.
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
IIR Chebyshev Type II. If Specify order is selected in the Filter Order region, specify the stopband attenuation (Astop or Estop) in decibels.
If Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
IIR Elliptic. Select the units for magnitude response characteristics from the Units list:
If Specify order is selected in the Filter Orderregion, specify the following magnitude response characteristics (in dB) in the text boxes:
If Minimum order is selected in the Filter Order region, specify the following magnitude response characteristics (in dB) in the text boxes:
IIR Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See iirlpnorm for more information.
Specify the magnitude weights, as linear multipliers, in the text boxes:
IIR Constrained Least Pth-norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See iirlpnormc for more information.
Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Equiripple. If Specify order is selected in the Filter Orderregion, specify the following relative weights in the text boxes:
If Minimum order is selected in the Filter Orderregion, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
FIR Least Squares. Specify the magnitude weights, as linear multipliers, in the text boxes:
FIR Window. If Specify order is selected in the Filter Orderregion, the attenuation at the cutoff frequency is fixed at 6 dB (half the passband gain).
For the Kaiser window option, if Minimum order is selected in the Filter Order region, select the units for magnitude response characteristics from the Units list:
Specify the following magnitude response characteristics in the text boxes:
FIR Least Pth-Norm. Note that this design method is available only if you have the Filter Design Toolbox installed. See firlpnorm for more information.]
Specify the magnitude weights, as linear multipliers, in the text boxes:
| | Frequency Specifications Region | Design Filter Button | |
