> For the complete documentation index, see [llms.txt](https://water-strategy.gitbook.io/waterstrategy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://water-strategy.gitbook.io/waterstrategy/espanol/conceptos-basicos-de-modelado/parameters/others/annual-harmonic-series-parameter.md).

# Parámetro anual de la serie armónica

## Descripción general

UN *Parámetro* que devuelve el valor de una serie armónica anual.

Esto *Parámetro* comprende una función cosenoidal de la serie N con un período de 365 días. El cálculo se realiza utilizando el día Julien del año menos 1. Esto provoca una pequeña discontinuidad en los años no bisiestos. [API Referencia](https://pywr.github.io/pywr-docs/master/api/generated/pywr.parameters.AnnualHarmonicSeriesParameter.html#pywr.parameters.AnnualHarmonicSeriesParameter)

$f (t) =a+n=1 nan⋅cos (2 π nt) /365+n) $

## Atributos

<table><thead><tr><th width="158">Nombre</th><th width="473">Descripción</th><th>Necesario</th></tr></thead><tbody><tr><td>malo</td><td>Valor medio de la serie (es decir, la posición del armónico cero)</td><td>Sí</td></tr><tr><td>amplitudes</td><td>Las amplitudes de las funciones del coseno armónico N. Debe tener la misma longitud que las fases</td><td>Sí</td></tr><tr><td>fases</td><td>El cambio de fase de las funciones del coseno armónico N. Debe tener la misma longitud que las amplitudes</td><td>Sí</td></tr></tbody></table>

## Ejemplo

próximamente...

```json
{

}
```


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