Updated README

README.md

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+# NQRduck Module: nqrduck-broadband
+
+A module for the [nqrduck](https://github.com/nqrduck/nqrduck) project. This module is used for single frequency magnetic resonance experiments.
+
+## Installation
+
+### Requirements
+Dependencies are handled via the pyproject.toml file.
+
+### Setup
+To install the module you need the NQRduck core. You can find the installation instructions for the NQRduck core [here](https://github.com/nqrduck/nqrduck).
+
+Ideally you should install the module in a virtual environment. You can create a virtual environment by running the following command in the terminal:
+```bash
+python -m venv nqrduck
+# Activate the virtual environment
+. nqrduck/bin/activate
+```
+
+You can install this module and the dependencies by running the following command in the terminal while the virtual environment is activated and you are in the root directory of this module:
+```bash
+pip install .
+```
+
+## Usage
+The module is used with the [Spectrometer](https://github.com/nqrduck/nqrduck-spectrometer) module. However you need to use an actual submodule of the spectromter module like:
+
+- [nqrduck-spectrometer-limenqr](https://github.com/nqrduck/nqrduck-spectrometer-limenqr) A module used for magnetic resonance experiments with the LimeSDR (USB or Mini 2.0).
+- [nqrduck-spectrometer-simulator](https://github.com/nqrduck/nqrduck-spectrometer-simulator) A module used for simulating magnetic resonance experiments.
+
+<img src="docs/img/measurement_ui_labeled_v2.png" alt="drawing" width="800">
+
+- a.) The experiments settings for frequency and number of averages.
+- b.) The signal processing settings for the measurement.
+- c.) The 'Measurement Plot'. Here the measured data is displayed. One can switch time and frequency domain plots.
+- d.) The import and export buttons for the measurement data.
+
+## License
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details
+
+## Contributing
+If you're interested in contributing to the project, start by checking out our [nqrduck-module template](https://github.com/nqrduck/nqrduck-module). To contribute to existing modules, please first open an issue in the respective module repository to discuss your ideas or report bugs.