transmitting aerial
Học thuậtThân thiện
Definition
- Noun:
- An antenna for transmitting signals: A transmitting aerial is a specific type of antenna designed primarily for sending out radio or television signals. It is the part of a broadcasting system that converts electrical signals into electromagnetic waves for radiation into space.
Usage Notes
- The term "transmitting aerial" is a technical compound noun. It is more common in British English, where "aerial" is the standard term for "antenna." In American English, "transmitting antenna" is more frequently used.
- It specifically denotes the sending function. A device that only receives signals is typically called a "receiving aerial" or simply an "aerial/antenna." A device that does both is often called a "transceiver aerial" or is described by its context.
Examples
- Noun:
- The radio station's signal strength depends on the height and power of its transmitting aerial.
- Engineers installed a new transmitting aerial on the tower to improve the broadcast range of the television channel.
Advanced Usage
- In technical specifications and engineering contexts, the term is used precisely to distinguish from receiving equipment.
- The design parameters for the transmitting aerial include frequency, gain, and radiation pattern.
Variants and Related Words
- Transmitting antenna: The direct American English equivalent.
- Aerial (noun): The general British English term for any antenna, which can be for transmitting, receiving, or both. The word "aerial" alone does not specify the direction of signal flow.
- Broadcast antenna: A common synonym, emphasizing use for radio or TV broadcasting.
- Radiator: In very technical radio frequency engineering, the part of the antenna that directly emits the waves may be called the radiator.
Synonyms
- Transmitter antenna
- Broadcast tower (when referring to the entire tall structure that supports the aerial)
- Mast (can refer to the supporting structure, but is sometimes used informally for the entire apparatus)
Related Phrases/Compounds
- Satellite transmitting aerial: An aerial designed to send signals to a satellite.
- Directional transmitting aerial: An aerial that focuses its transmitted signal in a specific direction for greater efficiency.
Noun
- an electrical device that sends or receives radio or television signals