# {py:mod}`nearlink_sdr.phy.equalizer`

```{py:module} nearlink_sdr.phy.equalizer
```

```{autodoc2-docstring} nearlink_sdr.phy.equalizer
:allowtitles:
```

## Module Contents

### Functions

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`equalize_1tap <nearlink_sdr.phy.equalizer.equalize_1tap>`
  - ```{autodoc2-docstring} nearlink_sdr.phy.equalizer.equalize_1tap
    :summary:
    ```
* - {py:obj}`equalize_mmse_freq <nearlink_sdr.phy.equalizer.equalize_mmse_freq>`
  - ```{autodoc2-docstring} nearlink_sdr.phy.equalizer.equalize_mmse_freq
    :summary:
    ```
* - {py:obj}`equalize_mmse_time <nearlink_sdr.phy.equalizer.equalize_mmse_time>`
  - ```{autodoc2-docstring} nearlink_sdr.phy.equalizer.equalize_mmse_time
    :summary:
    ```
* - {py:obj}`equalize_zf <nearlink_sdr.phy.equalizer.equalize_zf>`
  - ```{autodoc2-docstring} nearlink_sdr.phy.equalizer.equalize_zf
    :summary:
    ```
* - {py:obj}`estimate_channel_freq <nearlink_sdr.phy.equalizer.estimate_channel_freq>`
  - ```{autodoc2-docstring} nearlink_sdr.phy.equalizer.estimate_channel_freq
    :summary:
    ```
````

### API

````{py:function} equalize_1tap(rx_symbols: numpy.ndarray, h_coeffs: numpy.ndarray, noise_var: float = 0.0, method: str = 'mmse') -> numpy.ndarray
:canonical: nearlink_sdr.phy.equalizer.equalize_1tap

```{autodoc2-docstring} nearlink_sdr.phy.equalizer.equalize_1tap
```
````

````{py:function} equalize_mmse_freq(rx_signal: numpy.ndarray, channel_freq: numpy.ndarray, noise_var: float) -> numpy.ndarray
:canonical: nearlink_sdr.phy.equalizer.equalize_mmse_freq

```{autodoc2-docstring} nearlink_sdr.phy.equalizer.equalize_mmse_freq
```
````

````{py:function} equalize_mmse_time(rx_signal: numpy.ndarray, channel_taps: numpy.ndarray, noise_var: float, n_taps_eq: int = 11) -> numpy.ndarray
:canonical: nearlink_sdr.phy.equalizer.equalize_mmse_time

```{autodoc2-docstring} nearlink_sdr.phy.equalizer.equalize_mmse_time
```
````

````{py:function} equalize_zf(rx_signal: numpy.ndarray, channel_freq: numpy.ndarray) -> numpy.ndarray
:canonical: nearlink_sdr.phy.equalizer.equalize_zf

```{autodoc2-docstring} nearlink_sdr.phy.equalizer.equalize_zf
```
````

````{py:function} estimate_channel_freq(rx_signal: numpy.ndarray, tx_known: numpy.ndarray, n_fft: int | None = None) -> numpy.ndarray
:canonical: nearlink_sdr.phy.equalizer.estimate_channel_freq

```{autodoc2-docstring} nearlink_sdr.phy.equalizer.estimate_channel_freq
```
````