standing wave
Học thuậtThân thiện
Definition
- Noun:
- A stationary wave pattern: A "standing wave" is a wave pattern that remains in a constant position. This occurs when two waves of identical frequency and amplitude travel in opposite directions and interfere with each other.
- Characterized by nodes and antinodes: The pattern features points with no vibration (nodes) and points with maximum vibration (antinodes).
Usage Examples
- Noun:
- The physicist demonstrated a standing wave on a vibrating string.
- Standing waves can form in musical instruments, such as in the air column of a flute.
- The experiment showed a clear standing wave pattern in the ripple tank.
Advanced Usage
- "to form a standing wave": describes the creation of this wave pattern.
- When the frequency is just right, the waves reflect and superimpose to form a standing wave.
- "standing wave pattern": refers to the specific visual or measurable arrangement of nodes and antinodes.
- The standing wave pattern on the oscilloscope screen was very stable.
Variants and Related Words
- Stationary wave (n): A synonym for "standing wave".
- A stationary wave is also known as a standing wave.
- Node (n): A point of minimum or zero amplitude in a standing wave.
- The string is fixed at the nodes.
- Antinode (n): A point of maximum amplitude in a standing wave.
- The antinode is where the displacement is greatest.
Synonyms
- Stationary wave: A wave that does not appear to travel.
Related Phrases
- Standing wave ratio (SWR) (n phrase): A measure of impedance matching in radio frequency systems, related to the reflection that creates standing waves.
- A high standing wave ratio indicates poor impedance matching.
Noun
- a wave (as a sound wave in a chamber or an electromagnetic wave in a transmission line) in which the ratio of its instantaneous amplitude at one point to that at any other point does not vary with time