signal detection
Học thuậtThân thiện
Definition
- Noun:
- The detection that a signal is being received: The act or process of discerning, discovering, or identifying the presence of a transmitted signal, such as an electronic, auditory, or visual cue. This term is often used in technical contexts like telecommunications, radar, and sensory psychology.
Usage Examples
- Noun:
- The primary goal of the experiment was to measure the subject's signal detection ability in a noisy environment.
- Improved signal detection by the new software allowed the satellite to receive faint transmissions from deep space.
Advanced Usage
- Signal detection theory: A psychological framework for understanding how organisms discern meaningful information (signals) from background noise.
- The study of auditory perception often relies on signal detection theory to model how we hear sounds in crowded rooms.
Variants and Related Words
- Detect (verb): To discover or identify the presence of something.
- The system is designed to detect even the weakest radio signals.
- Detector (noun): A device or instrument used to detect signals.
- The metal detector uses electromagnetic signal detection to find buried objects.
Synonyms
- Signal identification: The recognition of a specific signal.
- Signal discernment: The act of perceiving or distinguishing a signal.
Related Phrases
- Threshold of detection: The minimum level at which a signal can be reliably detected.
- The receiver's threshold of detection was calibrated to filter out ambient noise.
Noun
- the detection that a signal is being received