Demodulated Meaning: Definition, Examples, and Translations
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demodulated
[หdษmษdjuหleษชtษชd ]
Definition
signal processing
Demodulated refers to the process by which a demodulator extracts the original information signal from a modulated carrier wave. This process is essential in communications technology where signals are transmitted over distances. It allows the recovery of the baseband signal that was modified for transmission. The demodulation process can involve various techniques depending on the modulation scheme used, such as amplitude modulation (AM) or frequency modulation (FM). Effective demodulation is crucial for the clarity and quality of transmitted information.
Synonyms
Examples of usage
- The radio demodulated the incoming signal successfully.
- The engineer demodulated the data for analysis.
- A new technique was developed to demodulate high-frequency signals.
- Demodulated audio signals can improve listening experiences.
- The system can demodulate multiple channels simultaneously.
Translations
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Interesting Facts
Technology
- Demodulation is crucial for receiving radio and television signals, allowing viewers to watch their favorite shows.
- Digital communications rely heavily on demodulation processes to convert incoming data into forms that computers can use.
- The technique is used in various technologies, including Wi-Fi, where signals need to be demodulated for devices to connect.
Science
- In physics, demodulation helps scientists separate different frequencies from signals, which can contain valuable information.
- The concept is applied in sonar technology, allowing submarines and boats to detect underwater objects.
- In telecommunications, it plays a key role in ensuring data integrity by recovering original messages from coded signals.
Cultural Impact
- Demodulation techniques have transformed how we consume media, allowing streaming services to deliver clearer audio and video.
- The rise of podcasts has increased the importance of clear demodulation so that listeners can enjoy crisp sound.
- The advancement of mobile communication has been greatly influenced by demodulation processes, changing how we connect globally.
Literature
- In science fiction, authors often explore themes of communication and signal interpretation, which reflects demodulation.
- Various technical manuals discuss demodulation processes, highlighting the intersection of language and technology.
- Poets sometimes use demodulation as a metaphor for clarity in communication, drawing parallels between signals and human connection.
Origin of 'demodulated'
Main points about word origin
- The word comes from 'modulate,' meaning to change or adjust, with the prefix 'de-' suggesting reversal.
- It has roots in Latin where 'de-' means 'down from' or 'away from' and 'modulatus' means 'measured'.
- First prominent use in the context of electronics occurred in the mid-20th century with advances in radio technology.
The term 'demodulate' is derived from the prefix 'de-' meaning 'to reverse' and the root 'modulate', which originates from the Latin 'modulari,' meaning 'to measure'. The concept became prominent in the early 20th century as radio technology advanced. With the advent of telecommunications, the need to retrieve information from modulated signals became crucial. As modulation techniques evolved, especially during the World War II era, demodulation techniques also developed, leading to innovations in radio, radar, and later digital communications. Today, demodulation is a fundamental aspect of signal processing in various communication systems, including television, cell phones, and satellite communications.