destructive interference


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destructive interference

n.
The effective decrease in the overall amplitude of a resultant wave when the peaks and troughs of two or more constituent waves overlap and cancel each other.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
In the case of solitons behaving like robust clumps, destructive interference is analogous to an elastic collision between two particles that separate after hitting each other.
In the jatropha curcas and sunflower oils the discoloration from light to dark was caused by the destructive interference of light rays, because water vapor adheres to the droplet surface.
He clarified that some states' governments claim that they adhere to the ethics and they consider themselves as custodians on the provisions of the international law and the UN Charter while at the same time they adopt policies that violate the noble moral principles and they exploit them to implement their destructive interference agendas.
When there is a destructive interference inside the well, then the particle cannot dwell there and the current is substantially reduced.
This can be explained by the destructive interference at Port 1 (between the left-going reflection of input wave 1 and the left-going transmission of input wave 2) and Port 2 (between the right-going reflection of input wave 2 and the right-going transmission of input wave 1) and constructive interference at Port 3, as shown in Fig.
This is achieved by combining elements in a phased array in such a way that signals at particular angles experience constructive interference while others experience destructive interference. Beamforming can be used at both the transmitting and receiving ends in order to achieve spatial selectivity.
In a zero-index metamaterial, the phases of propagating light waves are mismatch-free in both directions, Zhang said, which eliminates the problem of destructive interference.
Wu argues that activism of this period was not entirely fractious, despite separatism, intense personal rivalries between leaders, disagreements over ideology and strategy, and the destructive interference of COINTELPRO, the FBI program to infiltrate and disrupt radical organizations.
It is also worth noting that Muller's invention uses the wave field synthesis technique that builds 3-D sound fields to either cancel or reinforce sound waves with constructive or destructive interference, to place sound at pinpoint locations.
It is demonstrated that Fano resonance even multipole Fano resonance appears in the transmission spectrum, and there is a transparency window opened within the frequency region of the absorptive dipole resonance by metallic bars, as long as the narrow grating waveguide mode induced by reducing symmetry is coincided in spectrum with the dipole resonance such that a destructive interference happens between these two resonant modes.