The objective of this paper is to demonstrate improvements that can be achieved to the FM broadcast signal, both analog and digital, by the use of pre-equalization at the exciter stage.
The introduction of the generation 3 digital radio systems broadcast architecture transforms the broadcast system from an audio based broadcast system to a general digital data broadcast system.
This paper presents theory and measured performance of digital adaptive pre-correction under unstable environmental conditions. Comparison is made between fixed pre-correction curves and adaptive pre-correction under typical conditions at broadcast sites.
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