##  [Detection Theory](/detection-theory) 

  ##  [Detection Theory](https://information.quantumdictionary.io/detection-theory-0) 

  

 [![Information & Communication Dictionary](/sites/default/files/styles/large/public/2026-01/Information%20%26%20Communication.png.webp?itok=g4emS-T7)](/topic-specific-dictionaries/information-communication)



**Information & Communication Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A statistical framework for deciding between competing hypotheses about observed signals in the presence of noise and interference, typically by defining decision rules that manage tradeoffs between error types (false alarms and misses) under specified probabilistic models or cost constraints.