Phase relationships between subcomponents shape a source’s radiation pattern
Evidence
These calculations show that the summation of correlated sources can be strongly frequency dependent and can vary between zero and twice the wave pressure amplitude. — David Howard, Jamie Angus, coustics and Psychoacoustics, 260 (
#exemplifies, via linked claim)
Categorization
Category: Causal Relationships
Related
- Uncorrelated source totals ignore the relative phases of signals. (similarity 0.87)
- Interference pattern of correlated sources varies with both listener position and frequency (similarity 0.84)
- To reproduce a frequency faithfully you must sample at least twice its rate (similarity 0.82)
- Correlated source summation swings from zero to twice amplitude by frequency (similarity 0.82)
- Correlated sound sources sum to between zero and twice their individual amplitudes (similarity 0.82)
- MDI interference peaks when target and interferer share symmetric offsets. (similarity 0.81)
- Correlated sound sources create spatial interference patterns that uncorrelated sources do not. (similarity 0.80)
- Correlated sound sources add pressures while uncorrelated ones add energy (similarity 0.79)
- Mutual resonance between sources boosts combined power beyond their sum (similarity 0.79)
- Delayed correlated sources produce frequency-dependent comb filtering (similarity 0.78)
- Wall proximity alternately boosts or suppresses a source depending on phase. (similarity 0.78)
Broader Connections
- A finite source-to-wall distance creates a destructive interference null at the half-wavelength frequency
#exemplifies(0.85) - Correlated source summation swings from zero to twice amplitude by frequency
#exemplifies(0.82) — David Howard, Jamie Angus, coustics and Psychoacoustics, 260 - A struck bell’s spectral components begin at staggered times rather than together
#exemplifies(0.80) - Correlated waves interfere with each other while uncorrelated sources do not
#expands(0.78) - Dipole sources amplify through near-field capture, phase shift, and reemission by a resonator
#expands(0.75)