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transmitted and beam
The electron beam is accelerated by an anode typically at + 100 keV ( 40 to 400 keV ) with respect to the cathode, focused by electrostatic and electromagnetic lenses, and transmitted through the specimen that is in part transparent to electrons and in part scatters them out of the beam.
In optical systems, beam steering may be accomplished by changing the refractive index of the medium through which the beam is transmitted or by the use of mirrors, prisms, lenses, or rotating diffraction gratings.
The transmitted beam is phase modulated with the electric signal applied to the crystal.
is the total power transmitted by the beam.
In the transmitted direction the beam is split and then combined and focused into the output collimator.
In the above argument we assumed that the surface totally absorbed the beam, in general light can be transmitted, reflected and / or absorbed.
In 1959, William Oldendorf, a UCLA neurologist and senior medical investigator at the West Los Angeles Veterans Administration hospital, conceived an idea for " scanning a head through a transmitted beam of X-rays, and being able to reconstruct the radiodensity patterns of a plane through the head " after watching an automated apparatus built to reject frostbitten fruit by detecting dehydrated portions.
The modulation of the transmitted light beam was done by a mirror made to vibrate by a person's voice: the thin mirror would alternate between concave and convex forms, thus focusing or dispersing the light from the light source.
From Athens, this signal was transmitted by satellite to Canada, where it was received and used to trigger a laser beam to re-light the flame.
The diffracted reference beam and the transmitted test wave interfere to form fringes.
Similarly, energy radiating from the " focus " to the dish can be transmitted outward in a beam that is parallel to the axis of the dish.
To within a constant multiplicative phase factor, the amplitude of the mth transmitted beam can be written as:
Transmission electron microscopy ( TEM ) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it passes through.
The frequency of the transmitted beam is affected by the movement of blood in the vessel and by comparing the frequency of the upstream beam versus downstream the flow of blood through the vessel can be measured.
Radio signals are transmitted in a tight beam aimed at the tropopause, midway between the transmitter and receiver sites ; as the signals pass through the troposphere they are scattered, allowing the receiver station to pick up the signal.
The transmitted intensity can be related to the concentration of the species present by the Beer-Lambert law, which states that when a radiation of wavenumber passes through an absorbing medium, the intensity variation along the path of the beam is given by,
The photophone allowed for the transmission of sound on a beam of light, and on June 3, 1880 Bell and Tainter transmitted the world's first wireless telephone message on their newly invented form of telecommunication.
Some of this fluorescent light passes through a second filter or monochromator and reaches a detector, which is usually placed at 90 ° to the incident light beam to minimize the risk of transmitted or reflected incident light reaching the detector.
Nevertheless, neither Tihanyi nor Farnsworth considered the use of a semitransparent plate, and they never transmitted clear images with the devices described in their patents, because they were not aware that the beam alignment had to be perpendicular to the plate in order to produce a well focused image.
In Fig 2, a source S emits light that hits a beam splitter ( in this case, a half-silvered mirror ), surface M, at point C. M is partially reflective, so one beam is transmitted through to point B while the other is reflected in the direction of A.

transmitted and contains
The two major aspects of a hadith are the text of the report ( the matn ), which contains the actual narrative, and the chain of narrators ( the isnad ), which documents the route by which the report has been transmitted.
Harry Nyquist's 1924 paper, Certain Factors Affecting Telegraph Speed, contains a theoretical section quantifying " intelligence " and the " line speed " at which it can be transmitted by a communication system, giving the relation, where W is the speed of transmission of intelligence, m is the number of different voltage levels to choose from at each time step, and K is a constant.
In electronics and telecommunications, modulation is the process of varying one or more properties of a high-frequency periodic waveform, called the carrier signal, with a modulating signal which typically contains information to be transmitted.
In OCaml it is difficult to marshal a function or a data structure which contains a function ( e. g. an object which contains a method ), because executable code in functions cannot be transmitted across different programs.
The undesired signals are removed by the IF bandpass filter, leaving only the desired offset IF signal at f < small >< sub > IF </ sub ></ small > which contains the original modulation ( transmitted information ) as the received radio signal had at f < small >< sub > d </ sub ></ small >.
* 700 BC – 600 BC: Baudhayana Sulbasutra, an orally transmitted Vedic Sanskrit text on altar construction, contains the earliest extant verbal statement of the Pythagorean theorem, which was likely known to ( but not stated by ) Old Babylonians ( 1800 BC to 1600 BC ).
In other words, each transmitted code word is corrected such that every code word that contains some positive or negative levels also contains enough of the opposite levels, such that the average level over each code word is zero.
The Blue light cystoscopy contains a light source and light is transmitted through a fluid light cable connected to an endoscope to light up the area to be observed.
Aside from the issues regarding receiver synchronization, the key disadvantage of PPM is that it is inherently sensitive to multipath interference that arises in channels with frequency-selective fading, whereby the receiver's signal contains one or more echoes of each transmitted pulse.
The paging channel contains signaling messages transmitted from the network to all idle mobiles.
Harry Nyquist's 1924 paper, Certain Factors Affecting Telegraph Speed, contains a theoretical section quantifying " intelligence " and the " line speed " at which it can be transmitted by a communication system.
Meric Casaubon's 1659 edition of part of these diaries ( Cotton Appendix MS. XLVI ), entitled A True & Faithful Relation of What Passed for Many Yeers between Dr. John Dee and Some Spirits contains notorious transcription errors which in some cases were transmitted through many subsequent republications of the Dee / Kelly material ; Casaubon's edition was intended to discredit Dee and Kelly by accusing them of dealing with the Christian Devil.
An EAS message contains these elements, in this transmitted sequence:
Channelized in a telecommunications environment means that the line that communications have been transmitted over contains more than one message thread, separated in some fashion.
Any sexual activity that involves contact with the bodily fluids of another person contains the risk of transmission of sexually transmitted diseases.
Any sexual activity that involves contact with the bodily fluids of another person contains the risk of transmission of sexually transmitted diseases.
Since the signal transmitted contains no information about bearing or distance, these beacons are referred to as non-directional beacons, or NDB in the aviation world.
The work contains the most famous formulation of Marx's view of the role of the individual in history: " Men make their own history, but they do not make it as they please ; they do not make it under self-selected circumstances, but under circumstances existing already, given and transmitted from the past.
The satellite broadcasts a signal that contains orbital data ( from which the position of the satellite can be calculated ) and the precise time the signal was transmitted.
The ink absorbs infra red light transmitted from the digital pen ; the pen contains a receiver which interprets the pattern of light reflected from the paper.
A network will be reciprocal if it is passive and it contains only reciprocal materials that influence the transmitted signal.

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