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Optical filter
A frequency-selective surface (FSS) is a thin, repetitive surface (such as the screen on a microwave oven) designed to reflect, transmit or absorb electromagnetic
Frequency_selective_surface
Heraldic and Christian symbol
not a Jerusalem cross. The Jerusalem cross is often used in frequency selective surface applications. The Jerusalem cross is an attractive choice for
Jerusalem_cross
radiation. Frequency selective surfaces (FSS) materials can be utilized as band gap material in the surface wave domain, at microwave and radio frequency wavelengths
Tunable_metamaterial
Hypersonic cruise missile
conducting research on aeroacoustic studies for hypersonic vehicles, frequency selective surface applications using artificial intelligence, thermal barrier coatings
ET-LDHCM
improvements to the thickness of the screen. Munk, Benedikt A (2000). Frequency Selective Surfaces: Theory and Design. New York: John Wiley & Sons. pp. 315–317
Salisbury_screen
Topics referred to by the same term
scanner Food Service Solutions, an American software company Frequency selective surface FSS (brand), a Colombian sports apparel manufacturer Federal
FSS
Genetic process
a selective sweep is the process through which a new beneficial mutation that increases its frequency and becomes fixed (i.e., reaches a frequency of
Selective_sweep
Materials engineered to have properties that have not yet been found in nature
nanometer scale and manipulate light at optical frequencies. Photonic crystals and frequency-selective surfaces such as diffraction gratings, dielectric mirrors
Metamaterial
nanometer scale and manipulate light at optical frequencies. Photonic crystals and frequency-selective surfaces such as diffraction gratings, dielectric mirrors
Electromagnetic_metamaterial
Radome, RFIC, MMIC, Antenna Placement, Waveguide (radio frequency), EMI, Frequency selective surfaces (FSS), Electromagnetic metamaterials, Composite Material
Comparison of EM simulation software
Comparison_of_EM_simulation_software
Camouflage designed to work at multiple frequencies, not just visible light
also hindered. This can be overcome by using frequency selective surfaces, allowing specific frequencies to pass through. In addition, multispectral camouflage
Multi-spectral_camouflage
Anomalous diffraction at metallic gratings
metasurface Extraordinary optical transmission Frequency selective surface Photonic crystal Spoof surface plasmon Darweesh, Ahmad A.; Bauman, Stephen J
Wood's_anomaly
Italian electrical engineer
contributions to computational electromagnetics and for his work on frequency selective surfaces in metamaterials. "2012 elevated fellow" (PDF). IEEE Fellows
Agostino_Monorchio
Electronic component
wavelength. A thin manganese film along with a gold frequency selective surface (to filter wanted frequency) was deposited to act as the antenna. Resist was
Optical_rectenna
Professor of electrical engineering
the ultra wide band tightly coupled dipole antenna array and "Frequency Selective Surfaces: Theory and Design". Unlike other antenna books that heavily
Ben_Munk
Class of antennas
possibility for subwavelength, thin, compact cavity resonators. Frequency selective surface (FSS) based metamaterials utilize equivalent LC circuitry configurations
Metamaterial_antenna
Military technology to make personnel and material less visible
behave like filters to electromagnetic energy. The considered frequency-selective surfaces are composed of conducting patch elements pasted on the ferrite
Stealth_technology
Detail of the global positioning system
System Selective Availability". DefenseLink. September 18, 2007. Archived from the original on February 18, 2008. Retrieved 2008-02-20. "Selective Availability"
Error analysis for the Global Positioning System
Error_analysis_for_the_Global_Positioning_System
3D printing technique
Selective laser melting (SLM) is one of many proprietary names for a metal additive manufacturing (AM) technology that uses a bed of powder with a source
Selective_laser_melting
Caldeirinha, I. Cuinas, and T. R. Fernandes, "Square Loop and Slot Frequency Selective Surfaces Study for Equivalent Circuit Model Optimization," IEEE Transactions
Transmitarray_antenna
Selective chemistry of single-walled nanotubes is a field in Carbon nanotube chemistry devoted specifically to the study of functionalization of single-walled
Selective chemistry of single-walled nanotubes
Selective_chemistry_of_single-walled_nanotubes
Electromagnetic radiation generated by the thermal motion of particles
285 °C (558 K; 545 °F). A selective surface can be used when energy is being extracted from the sun. Selective surfaces are surfaces tuned to maximize the
Thermal_radiation
Type of artificial sheet material
some traditional concepts in the microwave spectrum, such as frequency-selective surfaces (FSS), impedance sheets, and even Ohmic sheets. In the microwave
Electromagnetic_metasurface
Type of radio receiver
operate at a fixed frequency without the need to retune high-selectivity stages. Selectivity was largely set in the intermediate-frequency stages, where more
Superheterodyne_receiver
many cases by the welds, in particular the weld transitions. Through selective treatment of the transitions (grinding (abrasive cutting), abrasive blasting
High-frequency impact treatment
High-frequency_impact_treatment
Physical property of allowing light
to as absorption centers. Many substances are selective in their absorption of white light frequencies. They absorb certain portions of the visible spectrum
Transparency_and_translucency
Theory in chemistry
increase in reaction rate when the surface binding energy frequencies are comparable to the natural frequencies of the surface reaction, adsorption, and desorption
Catalytic_resonance_theory
Numerical method in computational electromagnetics
descent. For the periodic structures such as phased arrays and frequency selective surfaces, series acceleration methods such as Kummer's transformation
Method of moments (electromagnetics)
Method_of_moments_(electromagnetics)
List of physics and engineering textbooks covering electromagnetism
Theory, Design, and Microwave Applications, Wiley, 2008. Munk BA, Frequency Selective Surfaces: Theory and Design, Wiley, 2000. Munk BA, Metamaterials: Critique
List of textbooks in electromagnetism
List_of_textbooks_in_electromagnetism
Academic journal
includes various types of composite periodic structures and frequency selective surfaces in the microwave and optical range. The journal was abstracted
Metamaterials_(journal)
Device for receiving radio transmissions
all other frequencies the resonant circuit has low impedance, so signals at these frequencies are conducted to ground. Bandwidth and selectivity: See graphs
Radio_receiver
Design Tool Rapid design tool for periodic structures such as frequency selective surfaces, phased array antennas and band gap structures, including full
High Performance Computing Modernization Program
High_Performance_Computing_Modernization_Program
Gene variant
scientists to believe that bubonic plague acted as a selective pressure that drove CCR5-Δ32 to high frequency. It was speculated that allele may have provided
CCR5-Δ32
German electrical engineer
dielectric bodies, electromagnetic fields, electromagnetic launchers, frequency selective surfaces, graphics processing units, and interference. Selected publications:
Ulrich_Jakobus
Physical characteristic of oscillating systems
resonance of tuned circuits in radios and TVs that allow radio frequencies to be selectively received Creation of coherent light by optical resonance in
Resonance
American scientist
regularly. Luebbers has published in the areas of analysis of frequency selective surfaces, applications of the Geometrical Theory of Diffraction, and applications
Raymond_Luebbers
Process in metallurgy
predominantly in the surface layer, the depth of this layer being dictated by the frequency of the alternating field, the surface power density, the permeability
Induction_hardening
self-published version of this paper. *Munk, Benedikt A. (2000). Frequency Selective Surfaces: Theory and Design. New York: John Wiley & Sons. pp. 315–317
Metamaterial_absorber
Electronic oscillator circuit
circuit that uses a piezoelectric crystal as a frequency-selective element. The oscillator frequency is often used to keep track of time, as in quartz
Crystal_oscillator
Italian engineer and inventor (born 1968)
measurements, electromagnetic compatibility, microwave devices, frequency-selective surfaces, shielding devices, and telecommunication solutions for digital
Daniele_Trinchero
multiple names: authors list (link) Munk, Benedikt A. (2000). Frequency Selective Surfaces: Theory and Design. New York: John Wiley & Sons. pp. 315–317
Electromagnetic_absorbers
Electrical engineer and academic
and circuits, antennas, antenna arrays, conformal antennas, frequency selective surfaces, radomes, and advanced materials. He has served as a consultant
Nicolaos_Alexopoulos
Turkish scientist (born 1964)
antennas and radars, metamaterials, optical and imaging systems, frequency-selective surfaces, nanotechnology, and high-speed electronic circuits. Electromagnetic
Levent_Gürel
Spectroscopic technique
experiment strikes the surface, localized surface plasmons are excited. The field enhancement is greatest when the plasmon frequency, ωp, is in resonance
Surface-enhanced Raman spectroscopy
Surface-enhanced_Raman_spectroscopy
Method for producing electronic circuits
Surface-mount technology (SMT), originally called planar mounting, is a method in which the electrical components are mounted directly onto the surface
Surface-mount_technology
Brevity code for NATO communications
air-launched or surface-launched hypersonic weapon(s).** [A/S] [S/S] [AIR-MAR] KOMODO A known EW target operating at a migrated frequency. The term does
Multi-service tactical brevity code
Multi-service_tactical_brevity_code
Telecommunications networks transmitted by radio waves
F02073IF. ISSN 1064-8208. Frosch, C. J.; Derick, L (1957). "Surface Protection and Selective Masking during Diffusion in Silicon". Journal of the Electrochemical
Cellular_network
Nonlinear optical process
the incident frequency 2ω given an incoming electric field E ( ω ) {\displaystyle E(\omega )} in order to reveal information about a surface. Simply (for
Second-harmonic_generation
Dielectric material designed to act as a resonator for radio waves
in permittivity at the surface, and bounce back and forth between the sides. At certain frequencies, the resonant frequencies, the microwaves form standing
Dielectric_resonator
Disturbance in an electrical circuit due to external sources of radio waves
Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external
Electromagnetic_interference
American engineer and scientist
RFID tag antennas, conformal antennas, reconfigurable antennas, frequency selective surfaces, electromagnetic wave interactions with complex media, metamaterials
Douglas_Werner
Wavelength-selective optical filter
separators. They separate the various harmonic components of frequency doubled laser systems by selective spectral reflection and transmission. Dichroic filters
Interference_filter
Electronic tracking technology
Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists
Radio-frequency identification
Radio-frequency_identification
Spectroscopic technique
determine vibrational modes of molecules, although rotational and other low-frequency modes of systems may also be observed. Raman spectroscopy is commonly
Raman_spectroscopy
Welding by passing electric current through work pieces
frequency ERW process which produced a higher quality weld. Over time, the welds of low frequency ERW pipe were found to be susceptible to selective seam
Electric_resistance_welding
Process of heating an electrically conducting object by electromagnetic induction
consists of an electromagnet and an electronic oscillator that passes a high-frequency alternating current (AC) through the electromagnet. The rapidly alternating
Induction_heating
Type of adjustable-speed drive
A variable-frequency drive (VFD, or adjustable-frequency drive, adjustable-speed drive, variable-speed drive, AC drive, micro drive, inverter drive, variable
Variable-frequency_drive
Electrodiagnostic medicine technique
had selective training in performing EMG of the laryngeal muscles, and subspecialists in urology, obstetrics and gynecology who have had selective training
Electromyography
Mutually adaptive genetic change of a host and a parasite
main types of selection dynamics: negative frequency-dependent selection when a rare allele has a selective advantage; heterozygote advantage; and directional
Host–parasite_coevolution
Aspect of human sound production
broad range of frequencies. In general, the harder the surface of the resonator, the more selective it will be, and the softer the surface, the more universal
Vocal_resonation
Capacity of an object to radiate electromagnetic energy
exitance in frequency of that surface; Me,ν° is the spectral radiant exitance in frequency of a black body at the same temperature as that surface; Me,λ is
Emissivity
Electronic device
to high-frequency signals than low-frequency signals and therefore is a high-pass filter. Resistors on their own have no frequency-selective properties
Electronic_filter
Microelectromechanical sensor
sensed as a phase-shift, frequency-shift, or time-delay in the output electrical signal. The fundamental measurement of a surface acoustic wave sensor is
Surface_acoustic_wave_sensor
Spectral density of light emitted by a black body
angle θ from the surface normal from infinitesimal surface area dA into infinitesimal solid angle dΩ in an infinitesimal frequency band of width dν centered
Planck's_law
Hearing loss caused by an inner ear or vestibulocochlear nerve defect
best to low frequencies. Neural tuning curves can illustrate this selectivity to certain frequencies. These demonstrate the frequencies a fiber responds
Sensorineural_hearing_loss
Winding method
radio frequencies the increased resistance of the inductor can increase the bandwidth of tuned circuits and reduce the circuit’s frequency selectivity, or
Basket_winding
semiconductive surfaces for controlled diffusion", issued August 13, 1957 Frosch, C. J.; Derick, L (1957). "Surface Protection and Selective Masking during
History_of_the_transistor
at the same frequency as the light. This coupling only occurs when the frequency of the light is equal to or less than the plasma frequency and is greatest
Plasmonic_nanoparticle
Interpretation of sensory information
person's concepts and expectations (or knowledge) with restorative and selective mechanisms, such as attention, that influence perception. Perception depends
Perception
Thermal electromagnetic radiation
} is the frequency of the electromagnetic radiation; T {\displaystyle T} is the absolute temperature of the body. For a black body surface, the spectral
Black-body_radiation
Simple radio receiver circuit for AM reception
Due to the lack of any frequency selective components besides the antenna, the bandwidth of the receiver, the band of frequencies it received, was equal
Crystal_radio
Beam anchored at only one end
J. Wilfinger, P. H. Bardell and D. S. Chhabra: The resonistor a frequency selective device utilizing the mechanical resonance of a silicon substrate
Cantilever
Way to produce very short laser bursts
on the fundamental working principle of the laser which contains frequency-selective elements. For example, in diode lasers, external mirror resonators
Mode_locking
Representation of auditory sensation and perception in the nervous system
it to the eardrum. Resonances of the external ear selectively boost sound pressure with frequency in the range 2–5 kHz. The pinna as a result of its
Neural_encoding_of_sound
Management strategy for global warming
that can accumulate on even hydrophobic surfaces and reduce emission. Broadband emitters outperform selective materials when "the material is warmer than
Passive daytime radiative cooling
Passive_daytime_radiative_cooling
Components used for routing signals between optical fibres on a per-wavelength basis
Wavelength selective switching components are used in WDM optical communications networks to route (switch) signals between optical fibres on a per-wavelength
Wavelength selective switching
Wavelength_selective_switching
Gradual variation of the characteristics of a species along its territory
generate clines is through frequency-dependent selection. Characters that could be maintained by such frequency-dependent selective pressures include warning
Cline_(biology)
Electronic oscillator
crystal, which acts as a highly selective filter element. The low manufacturing cost of this circuit and the frequency stability of quartz crystals make
Pierce_oscillator
Industrial process
in RFTooltip radio frequency plasmas. One method of confining plasmas is by using the properties of the Debye sheath, a near-surface layer in plasmas similar
Plasma_etching
Semiconductor laser
mirror is wavelength selective so that gain is favored on a single longitudinal mode, resulting in lasing at a single resonant frequency. The broadband mirror
Laser_diode
Subfield of magnetism
propagate through the media, leading to the selective propagation of certain spin wave frequencies. See Surface magnon polariton. Spin waves can propagate
Magnonics
Very small devices that incorporate moving components
Wilfinger RJ, Bardell PH, Chhabra DS (1968). "The Resonistor: A Frequency Selective Device Utilizing the Mechanical Resonance of a Silicon Substrate"
MEMS
American electrical engineer (1936–2019)
Research Labs in Pittsburgh, PA., and patented as a Microelectric Frequency Selective Apparatus. A refined version of the device was subsequently patented
Harvey_C._Nathanson
Behavior of some weakly electric fishes
stimulus frequency is greater or less than the EOD frequency. Sign-selective neurons in the deeper layers of the torus semicircularis are selective to whether
Jamming_avoidance_response
Type of field-effect transistor
semiconductive surfaces for controlled diffusion", issued 1957-08-13 Frosch, C. J.; Derick, L (1957). "Surface Protection and Selective Masking during
MOSFET
Type of illusory contour
temporal frequencies, there are likely other mechanisms at play when perceiving surface characteristics at these higher temporal frequencies. Skottun
Phantom_contour
Class of electronic filter
widely used in the 40 MHz to 960 MHz frequency range, well constructed cavity filters are capable of high selectivity even under power loads of at least
RF_and_microwave_filter
Gradual loss of flux intensity through a medium
The selective absorption of infrared (IR) light by a particular material occurs because the selected frequency of the light wave matches the frequency (or
Attenuation
Device which extracts info from a modulated radio frequency current or voltage
a voltage directly proportional to the frequency. A phase-locked loop detector requires no frequency-selective LC network to accomplish demodulation.
Detector_(radio)
Type of transducer
electromagnetic mechanisms, which do not need direct coupling with the surface of the material. Due to this couplant-free feature, EMATs are particularly
Electromagnetic acoustic transducer
Electromagnetic_acoustic_transducer
Solid-state electrically operated switch also used as an amplifier
first high-frequency transistor was the surface-barrier germanium transistor developed by Philco in 1953, capable of operating at frequencies up to 60 MHz
Transistor
Nervous system stimuli filtration process
tends to be noisy—emphasizing high spatial frequencies but lacking in extended edges. Responding selectively to an extended edge—either a bright line on
Feature detection (nervous system)
Feature_detection_(nervous_system)
Filter that rejects signals inside a certain range
band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels
Band-stop_filter
Type of radar system
pulse repetition frequency. The antenna type and scan performance is a practical consideration for multi-mode radar systems. Choppy surfaces, like waves and
Pulse-Doppler_radar
Type of display technology
projection televisions, but has since found additional uses in wavelength selective switching, structured illumination, near-eye displays and optical pulse
Liquid_crystal_on_silicon
Type of phased-array radar
early warning and control, surface-to-air missile, etc. This technique is much less useful against a radar with a frequency-agile (solid state) transmitter
Active electronically scanned array
Active_electronically_scanned_array
Fiber-optic communications technology
its wavelength, whereas frequency-division multiplexing typically applies to a radio carrier, more often described by frequency. This is purely conventional
Wavelength-division multiplexing
Wavelength-division_multiplexing
Bony structures in the skull that serve the purpose of transmitting sounds
body off the ground, isolating the head from ground vibrations. Under selective pressure to detect airborne sound vibrations, the columella in crocodilians
Columella_(auditory_system)
Melanistic squirrel
gene. Several theories have surfaced as to why the black morph occurs, with some suggesting that the black morph is a selective advantage for squirrels inhabiting
Black_squirrel
Distinguishing friendly forces using coded radio frequency transponders
identifies the broadcaster. IFF systems usually use radar frequencies, but other electromagnetic frequencies, radio or infrared, may be used. It enables military
Identification_friend_or_foe
FREQUENCY SELECTIVE-SURFACE
FREQUENCY SELECTIVE-SURFACE
Boy/Male
Arabic, Muslim, Sindhi
Selection; Choice
Boy/Male
Assamese, Bengali, Indian, Tamil
To Choose; Selection
Boy/Male
Indian, Punjabi, Sikh
One who is Aware and Reflective
Girl/Female
American, Arabic, Hebrew
Night; Lovelorn; Seductive
Boy/Male
Arabic, Muslim
Choice; Preference; Selection
Girl/Female
American, Hindu, Indian
Selection
Girl/Female
African, Arabic, Australian, French, German, Hebrew, Indian, Kenyan, Spanish, Swahili, Tamil
Gentle; Delicate; Gentleness is her Soul; Lovelorn; Seductive
Boy/Male
Indian, Sanskrit
Not Defective; Healthy; Whole
Female
Chinese
flattering and seductive.
Boy/Male
Muslim
Selection, Choice
Surname or Lastname
English (most frequent in northern Ireland)
English (most frequent in northern Ireland) : from Middle English fe(i)th ‘belief (especially Christian belief)’, ‘faithfulness’, ‘loyalty’. This may have been a nickname for a trustworthy person, but was more probably bestowed on one who used ‘Faith!’ frequently as a mild oath or exclamation.
Boy/Male
Muslim/Islamic
Selection choice
Girl/Female
Muslim
One who remembers God frequently
Surname or Lastname
English (also frequent in Wales)
English (also frequent in Wales) : patronymic from the personal name Watkin.
Girl/Female
Arabic, Muslim
Prolific; Frequently Producing
Girl/Female
Arabic, Muslim
One who Remembers God Frequently
Girl/Female
Arabic, Muslim
Adopting; Selecting
Boy/Male
Arabic, Muslim
Selecting; Adopting
Boy/Male
Muslim
Choice, Preference, Selection
Girl/Female
French, German, Latin, Spanish
Smooth; Seductive; Flattering; Blond
FREQUENCY SELECTIVE-SURFACE
FREQUENCY SELECTIVE-SURFACE
Biblical
who arrives from pilgrimage
Girl/Female
Tamil
Mageshwari | மாஂகேஷà¯à®µà®¾à®°à¯€Â
God name
Girl/Female
Celebrity, Gujarati, Hindu, Indian, Kannada, Sanskrit, Tamil, Traditional
Atractive; Splendid; Similar to Shobhana
Boy/Male
Muslim/Islamic
Servant of the Most Gracious
Girl/Female
Tamil
Anuttara | அநà¯à®¤à¯à®¤à®¾à®°à®¾
Unanswered
Boy/Male
Hindu
Rational
Girl/Female
Hindu
Boy/Male
Hebrew
Gift from God.
Boy/Male
Arthurian Legend
Where the grail was kept.
Girl/Female
Tamil
Fame
FREQUENCY SELECTIVE-SURFACE
FREQUENCY SELECTIVE-SURFACE
FREQUENCY SELECTIVE-SURFACE
FREQUENCY SELECTIVE-SURFACE
FREQUENCY SELECTIVE-SURFACE
n.
Often to be met with; happening at short intervals; often repeated or occurring; as, frequent visits.
a.
Lacking some of the usual forms of declension or conjugation; as, a defective noun or verb.
a.
Fitted for, or skilled in, detecting; employed in detecting crime or criminals; as, a detective officer.
a.
Tending to lead astray; apt to mislead by flattering appearances; tempting; alluring; as, a seductive offer.
n.
Frequency.
a.
Wanting in something; incomplete; lacking a part; deficient; imperfect; faulty; -- applied either to natural or moral qualities; as, a defective limb; defective timber; a defective copy or account; a defective character; defective rules.
adv.
At frequent or short intervals; many times; often; repeatedly; commonly.
n.
Frequency; abundance.
n.
That which is selected; a collection of things chosen; as, a choice selection of books.
n.
The act of selecting, or the state of being selected; choice, by preference.
a.
Throwing back images; as, a reflective mirror.
pl.
of Frequency
n.
The condition of returning frequently; occurrence often repeated; common occurence; as, the frequency of crimes; the frequency of miracles.
a.
Addicted to introspective or meditative habits; as, a reflective person.
a.
Selecting; tending to select.
n.
Frequency.
n.
Infrequency.
a.
Dependent on choice; bestowed or passing by election; as, an elective study; an elective office.
a.
Exerting the power of choice; selecting; as, an elective act.
a.
Capable of exercising thought or judgment; as, reflective reason.