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# z2gamma

Convert impedance to reflection coefficient

## Syntax

gamma = z2gamma(z)
gamma = z2gamma(z,z0)

## Description

gamma = z2gamma(z) converts the impedance z to the reflection coefficient gamma using a reference impedance of 50 ohms.

gamma = z2gamma(z,z0) converts the impedance z to the reflection coefficient gamma using a reference impedance of z0 ohms.

## Examples

Convert an impedance of 100 ohms into a reflection coefficient, using a 50-ohm reference impedance:

```z = 100;
gamma = z2gamma(z)```

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### Algorithms

z2gamma calculates the coefficient using the equation

$\Gamma =\frac{Z-{Z}_{0}}{Z+{Z}_{0}}$