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https://github.com/deshima-dev/dems

:truck: DESHIMA measurement set by DataArray
https://github.com/deshima-dev/dems

astronomy data-format deshima measurement-set python radio-astronomy spectroscopy xarray

Last synced: about 2 months ago
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:truck: DESHIMA measurement set by DataArray

Host: GitHub
URL: https://github.com/deshima-dev/dems
Owner: deshima-dev
License: mit
Created: 2022-10-25T14:05:56.000Z (about 2 years ago)
Default Branch: main
Last Pushed: 2024-08-09T11:51:59.000Z (5 months ago)
Last Synced: 2024-08-10T11:22:01.836Z (5 months ago)
Topics: astronomy, data-format, deshima, measurement-set, python, radio-astronomy, spectroscopy, xarray
Language: Python
Homepage:
Size: 164 KB
Stars: 2
Watchers: 1
Forks: 1
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE
- Citation: CITATION.cff

Awesome Lists containing this project

README

        # dems

[![Release](https://img.shields.io/pypi/v/dems?label=Release&color=cornflowerblue&style=flat-square)](https://pypi.org/project/dems/)

[![Python](https://img.shields.io/pypi/pyversions/dems?label=Python&color=cornflowerblue&style=flat-square)](https://pypi.org/project/dems/)

[![Downloads](https://img.shields.io/pypi/dm/dems?label=Downloads&color=cornflowerblue&style=flat-square)](https://pepy.tech/project/dems)

[![DOI](https://img.shields.io/badge/DOI-10.5281/zenodo.8151950-cornflowerblue?style=flat-square)](https://doi.org/10.5281/zenodo.8151950)

[![Tests](https://img.shields.io/github/actions/workflow/status/deshima-dev/dems/tests.yaml?label=Tests&style=flat-square)](https://github.com/deshima-dev/dems/actions)

DESHIMA measurement set by DataArray

## Installation

```shell

pip install dems==2024.7.2

```

## Usage

```python

from dems.d2 import MS

da = MS.new(

    data=[[0.0, ...], ...],

    mask=[[False, ...], ...],

    weight=[[1.0, ...], ...],

    ...

)

```

## DataArray specifications

| Category | Variable name | Variable type | Description | Units | Default | Data type | DataArray dims | DataArray dtype |

|---|---|---|---|---|---|---|---|---|

| Data | data | Data | Data values | - | - | numpy.ndarray | (time, chan) | - |

|  | mask | Coordinate | Data masks | - | False | numpy.ndarray | (time, chan) | bool |

|  | weight | Coordinate | Data weights | - | 1.0 | numpy.ndarray | (time, chan) | float64 |

|  | long_name | Attribute | Data name | - | "Brightness" | str | - | - |

|  | units | Attribute | Data units | - | "K" | str | - | - |

|  | name | Name | DEMS name | - | "DEMS" | str | - | - |

| Dimensions | time | Dimension | Start time in UTC | - | 1970-01-01T00:00:00.000000000 | numpy.ndarray | (time,) | datetime64[ns] |

|  | chan | Dimension | Channel ID | - | 0 | numpy.ndarray | (chan,) | int64 |

| Labels | beam | Coordinate | Beam label | - | "" | numpy.ndarray | (time,) | str (