telegraphic signal
Học thuậtThân thiện
Definition
Noun: A signal transmitted by telegraphy. This refers specifically to the coded electrical impulses or visual signs used to convey messages over a telegraph system.
Usage
The term "telegraphic signal" is used to describe the fundamental unit of communication in a telegraph system. It denotes the specific pulse, tone, or code (such as Morse code dots and dashes) that is sent and received to represent letters or numbers.
Examples
- The operator carefully listened to the pattern of the telegraphic signal to decode the message.
- Early submarine cables were designed to carry a faint telegraphic signal across the ocean floor.
- The invention automated the translation of a key press into a telegraphic signal.
Advanced Usage
- In historical or technical contexts, the term can be analyzed in terms of its bandwidth or modulation.
- The concept is foundational in information theory for understanding the encoding of discrete symbols.
Variants and Related Words
- Telegraphy (n): The technology or process of communicating over long distances by transmitting coded signals.
- Signal (n): A gesture, action, sound, or electrical impulse that conveys information or instructions.
Synonyms
- Telegraphic transmission
- Morse signal (when referring specifically to Morse code)
- Wire signal
Related Phrases
- To transmit a signal: To send out a signal.
- To decode a signal: To interpret a coded signal into understandable information.
Noun
- a signal transmitted by telegraphy