What does the detection function primarily deal with?

The detection function is integral in signal processing, particularly in communication systems. It primarily involves separating the actual information from a carrier wave. This process is crucial because, in many communication systems, signals are transmitted over a carrier wave to utilize a suitable frequency for transmission.

When the signal is received, the detection function extracts the modulated information that has been superimposed on the carrier, allowing it to be interpreted and understood. This is essential for decoding the transmitted message, ensuring that the intended information can be accurately retrieved from the complex data stream.

The other functions, while important in their own right, do not directly pertain to the primary role of the detection function. Filtering high frequencies focuses on adjusting signal bandwidth but does not involve extracting the information. Transforming sound waves into signals relates more to the initial changes from analog to digital forms rather than decoding information. Amplifying strong signals aims to enhance signal strength for better clarity but does not relate to the extraction of data from a carrier wave. Thus, identifying the correct role of the detection function is critical for understanding how signals are processed in communication systems.