carrier wave: meaning, definition, pronunciation and examples
LowTechnical
Quick answer
What does “carrier wave” mean?
A high-frequency radio wave that can be modulated (by altering its amplitude, frequency, or phase) with a lower-frequency signal containing information (e.
Audio
Pronunciation
Definition
Meaning and Definition
A high-frequency radio wave that can be modulated (by altering its amplitude, frequency, or phase) with a lower-frequency signal containing information (e.g., sound, data) for transmission.
In broader telecommunications, any continuous wave that serves as a 'carrier' for information signals, including in fibre optics (light carrier wave). The concept is foundational for all radio, television, and mobile phone communications.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences; 'carrier wave' is the standard term in both varieties. The spelling 'modulate' vs. 'modulate' is identical.
Connotations
Purely technical, with no cultural connotations.
Frequency
Used with identical frequency and contexts in technical fields in both regions.
Grammar
How to Use “carrier wave” in a Sentence
The transmitter sends a [carrier wave] at 780 kHz.The information is impressed onto the [carrier wave] by modulation.A [carrier wave] is essential for AM radio broadcasting.Vocabulary
Collocations
Examples
Examples of “carrier wave” in a Sentence
verb
British English
- The transmitter will carrier-wave the signal across the channel. (Note: 'carrier-wave' as a verb is extremely rare and non-standard; standard is 'transmit via a carrier wave'.)
American English
- The system needs to carrier-wave modulate the data. (Same note as UK; technically awkward.)
adverb
British English
- The signal is transmitted carrier-wave modulated. (Awkward; 'via a carrier wave' is preferred.)
American English
- The data was sent carrier-wave first. (Highly non-standard.)
adjective
British English
- The carrier-wave frequency must be precisely controlled.
American English
- We observed a carrier-wave distortion in the output.
Usage
Meaning in Context
Business
Rare, except in telecoms/tech company contexts discussing transmission technology.
Academic
Common in physics, engineering, and telecommunications textbooks and research papers.
Everyday
Virtually never used in everyday conversation.
Technical
Core, fundamental term in radio engineering, signal processing, and communications technology.
Vocabulary
Synonyms of “carrier wave”
Strong
Neutral
Weak
Vocabulary
Antonyms of “carrier wave”
Watch out
Common Mistakes When Using “carrier wave”
- Using 'carrier wave' to refer to the final modulated signal (it's specifically the unmodulated component).
- Confusing 'carrier frequency' (a property) with 'carrier wave' (the entity).
FAQ
Frequently Asked Questions
No. The carrier wave is the constant high-frequency wave. What you hear is the result of that carrier wave being modulated (changed) by the audio information and then demodulated by your receiver.
Sound waves at audio frequencies (20Hz-20kHz) do not travel efficiently through the air over long distances and would all interfere with each other. A high-frequency carrier wave can travel far and allows many different stations to broadcast simultaneously on different carrier frequencies (channels).
In technical contexts, they are often used interchangeably. 'Carrier wave' emphasises the continuous, wave-like nature, while 'carrier signal' is a more general term that can also apply in digital systems.
Yes. All wireless communication technologies use carrier waves, typically at much higher frequencies (GHz range for WiFi/Bluetooth) than traditional radio (kHz/MHz range).
A high-frequency radio wave that can be modulated (by altering its amplitude, frequency, or phase) with a lower-frequency signal containing information (e.
Carrier wave is usually technical in register.
Carrier wave: in British English it is pronounced /ˈkæriə weɪv/, and in American English it is pronounced /ˈkæriər weɪv/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “On the carrier wave (highly technical, meaning using a specific carrier frequency)”
Learning
Memory Aids
Mnemonic
Think of a CARRIER wave like a postal CARRIER van. The van (carrier wave) itself is empty but constant. The letters (information signal) are loaded into it (modulation) for delivery.
Conceptual Metaphor
A BLANK CANVAS (the carrier wave) waiting for PAINT (the information/modulation). / A STABLE HIGHWAY (carrier wave) on which VEHICLES OF DATA (the signal) travel.
Practice
Quiz
What is the primary function of a carrier wave?