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2.1.22.3 IIR Filter
Functions
| Name | Brief | Example |
|---|---|---|
| ocmsp_filter | Filter data sequence using a digital filter | Examples |
| ocmsp_filter_sos | Second order (biquadratic) IIR digital filtering | |
| ocmsp_filtfilt | Zero-phase digital filtering | Examples |
| ocmsp_filtfilt_sos | Second order(biquadratic) IIR Zero-phase digital filtering | |
| ocmsp_freqz | Frequency and phases response of filter | Examples |
| ocmsp_freqz_sos | Frequency and phases response of second order section filter | |
| ocmsp_iir_filter | Design digital or analog IIR filters with given specifications. It returns the coefficients of transfer function. | Examples |
| ocmsp_iir_filter_sos | Design digital or analog IIR filters with given specifications. It returns a filter in second-order section representation. | Examples |
| ocmsp_iir_filter_ss | Design digital or analog IIR filters with given specifications. It returns filter represented in state-space form. | Examples |
| ocmsp_iir_filter_zp | Design digital or analog IIR filters with given specifications. It returns the zeros, poles and the gain. | Examples |
| ocmsp_iir_order | Estimate the minimum order of a digital/analog IIR filter required to meet a set of filter design specifications: loses no more than Rp dB in passband and has at least Rs dB of attenuation in the stopband. | Examples |
| ocmsp_impz | Impulse response of digital filter, calculating by coefficients of transfer function. | Examples |
| ocmsp_impz_sos | Impulse response of digital filter, calculating by second-order-section. | |
| ocmsp_impzlength | Get the length of the impulse response for a digital filter, calculating by coefficients of transfer function. | |
| ocmsp_impzlength_sos | Get the length of the impulse response for a digital filter, calculating by second-order-section. | |
| ocmsp_readfcf | Read filter coefficients from fcf file | Examples |
| ocmsp_readfcf_header | Read fcf file header | |
| ocmsp_readfcf_sos | Read filter in second-order-section from fcf file | |
| ocmsp_readfcf_ss | Read filter in state space form from fcf file | |
| ocmsp_release_filter | Release filter arrays: numerator, denominator, A, B, C, D or sos matrix | |
| ocmsp_writefcf | Write filter coefficients to Matlab fcf file | Examples |
| ocmsp_writefcf_sos | Write filter in second order section to Matlab fcf file | |
| ocmsp_writefcf_ss | Write filter in state space form to Matlab fcf file |