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...the preferred method for controlling LED power, is reduced electromagnetic interference. Figure 1 illustrates a SSDM signal and demonstrates how the average signal SSDM can be seen as a special case of [[Pulse-density modulation]] (PDM) or Random Pulse Width Modulation (RPWM). ...

...ich is about the quantum mechanical behavior of particles in a classical [[electromagnetic field]]. ...s caused by a charged particle (say, an electron) being in a superposition of traveling down two different paths. In both paths, the electric field that ...

{{Short description|Random fluctuations in radio waves of celestial origin}} ...is the result of radio waves traveling through fluctuations in the density of the [[electron]] and [[proton]]s that make up the [[solar wind]]. ...

...last3=Saleh|first3=Bahaa E. A.|date=1995-11-01|title=Nonlocal cancellation of dispersive broadening in Mach-Zehnder interferometers|url=https://journals. ...cal light sources are expensive and limited, several quantum-mimetic light sources are developed by classical light and nonlinear optics, which mimic dispersi ...

...f phase change and achieves the [[Uncertainty principle|Heisenberg limit]] of sensitivity with fewer optical elements than [[Interferometry|conventional ...st prominent examples of the application of this property is the detection of gravitational waves ([[LIGO]]). ...

! Curvature radius of lens/mirror ...e different forms of the [[Poynting vector]], the most common are in terms of the '''E''' and '''B''' or '''E''' and '''H''' fields. ...

...Inc. {{ISBN|9780130040299}}, 0130040290 OCLC 11159524</ref>''.'' Examples of such situations include: * a microphone attempting to receive speech near machinery or other noise sources in the environment, such as an aircraft cockpit<ref name=":0" /> ...

...intensity of the emitted light is proportional to the number of [[atom]]s of the element. The sample may be excited by various methods. ...rrangement, so this method is an important tool for identifying the makeup of materials. [[Robert Bunsen]] and [[Gustav Kirchhoff]] were the first to est ...

...>{{cite journal|author=Rybin, M.V.|title= Purcell effect and Lamb shift as interference phenomena|journal= Scientific Reports|pages=20599 |year=2016|doi=10.1038/sr ...to the fundamental mode of a cavity and placed at its center the magnitude of the enhancement is given by the '''Purcell factor'''<ref>{{cite web |url=ht ...

'''Slotted lines''' are used for [[microwave]] measurements and consist of a movable probe inserted into a slot in a [[transmission line]]. They are ...easured by a slotted line is SWR. This serves as a measure of the accuracy of the impedance match to the item under test. This is especially important f ...

...12-15 |title=Concept of nonintegrable phase factors and global formulation of gauge fields |url=https://link.aps.org/doi/10.1103/PhysRevD.12.3845 |journa ...[[Magnetic monopole#Dirac's quantization|monopole quantization]] in terms of [[Hopf fibration|Hopf fibrations]].<ref>{{Cite web |last=Woit |first=Peter ...

...e. A spatial contour map of the field distribution determines the location of the source in three dimensions as well as the magnetic moment. ...he NPs align with that field and have a magnetic moment now characteristic of ferromagnetic behavior. When this external field is removed, the NPs relax ...

{{Short description|Information method in electromagnetic radiation}} ...ency]] or both of [[electromagnetic radiation]] in the [[wavelength]] band of visible or [[infrared]] light. The light signal is compared with standard o ...

{{Short description|Detail of the global positioning system}} [[File:GPS Satellite NASA art-iif.jpg|thumb|Artist's conception of GPS Block II-F satellite in orbit]] ...

...cv-c|https://polarjournal.ch/en/2024/04/18/primary-cause-for-the-formation-of-rogue-waves-found/, https://journals.ametsoc.org/view/journals/phoc/46/5/jp {{Short description|Theories explaining the formation of rogue waves}} ...

...high-resolution images from light reflection in real-time forgoing the use of invasive procedures. ...iew |url=https://ieeexplore.ieee.org/document/796348 |journal=IEEE Journal of Selected Topics in Quantum Electronics |volume=5 |issue=4 |pages=1205–1215 ...

{{Multiple issues|{{primary sources|date=December 2018}}{{technical|date=December 2018}}}} {{short description|Method of encoding digital data on multiple carrier frequencies}} ...

{{Short description|Reformulation of general relativity}} ...') is an equation in the [[Hamiltonian mechanics|Hamiltonian formulation]] of [[geometrodynamics]] in [[superspace]], cast in the "geometrodynamics era" ...

{{Short description|Electromagnetic radiation from a charged particle in a medium}} ...anced Test Reactor.jpg|thumb|right|Cherenkov radiation glowing in the core of the [[Advanced Test Reactor]] at [[Idaho National Laboratory]]]] ...

...mmon sources of visible light, is produced independently by a large number of atoms or molecules whose emissions are [[statistical correlation|uncorrelat ...l Systems | publisher=CRC Press | series=Optical Sciences and Applications of Light | year=2018 | isbn=978-1-4987-0057-3 | url=https://books.google.com/b ...