waveguide oor Thai
waveguide
en
A structure which guides waves, such as electromagnetic waves, light, or sound waves.
Vertalings in die woordeboek Engels - Thai
เวฟไกด์
en
structure that guides waves, typically electromagnetic waves
Geskatte vertalings
Vertoon algoritmies gegenereerde vertalings
Prenteboek
voorbeelde
Advanced filtering
Voorbeelde moet herlaai word.
Thus at microwave frequencies, most of the current flows in an extremely thin region near the surface. Ohmic losses of waveguides at microwave frequencies are therefore only dependent on the surface coating of the material.
ไม่สามารถเริ่มงาน K#b ได้scb_mt_enth_2020 scb_mt_enth_2020
Ohmic losses of waveguides at microwave frequencies are therefore only dependent on the surface coating of the material. A layer of silver 3 μm thick evaporated on a piece of glass is thus an excellent conductor at such frequencies.
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Silver plating is similarly used on the surface of waveguides used for transmission of microwaves. This reduces attenuation of the propagating wave due to resistive losses affecting the accompanying eddy currents; the skin effect confines such eddy currents to a very thin surface layer of the waveguide structure. The skin effect itself isn't actually combatted in these cases, but the distribution of currents near the conductor's surface makes the use of precious metals (having a lower resistivity) practical.
ฟลักซ์ (กะโนม) Namescb_mt_enth_2020 scb_mt_enth_2020
Type: COVER SPEAKER Color: BLUE For: SPEAKER Materials used: fabric Others: Free to listen and recognize. The atmosphere around it. Docking speaker with Bluetooth Built-in microphone Vibrating alert when there is an incoming call. Up to 12 hours of continuous music playback The speakers come with WAVEGUIDE technology which helps to tone the sound for deep bass and surrounds us.
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For instance, the skin depths of some common metals at a frequency of 10 GHz (microwave region) are less than a micrometer: Thus at microwave frequencies, most of the current flows in an extremely thin region near the surface. Ohmic losses of waveguides at microwave frequencies are therefore only dependent on the surface coating of the material.
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In the output "catcher" cavity, each bunch enters the cavity at the time in the cycle when the electric field opposes the electrons' motion, decelerating them. Thus the kinetic energy of the electrons is converted to potential energy of the field, increasing the amplitude of the oscillations. The oscillations excited in the catcher cavity are coupled out through a coaxial cable or waveguide.
ชนิดตั้งเองscb_mt_enth_2020 scb_mt_enth_2020
Thus the kinetic energy of the electrons is converted to potential energy of the field, increasing the amplitude of the oscillations. The oscillations excited in the catcher cavity are coupled out through a coaxial cable or waveguide. The spent electron beam, with reduced energy, is captured by a collector electrode.
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The skin effect has practical consequences in the analysis and design of radio-frequency and microwave circuits, transmission lines (or waveguides), and antennas. It is also important at mains frequencies (50–60 Hz) in AC electrical power transmission and distribution systems. Although the term "skin effect" is most often associated with applications involving transmission of electric currents, the skin depth also describes the exponential decay of the electric and magnetic fields, as well as the density of induced currents, inside a bulk material when a plane wave impinges on it at normal incidence.
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This reduces attenuation of the propagating wave due to resistive losses affecting the accompanying eddy currents; the skin effect confines such eddy currents to a very thin surface layer of the waveguide structure. The skin effect itself isn't actually combatted in these cases, but the distribution of currents near the conductor's surface makes the use of precious metals (having a lower resistivity) practical.
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The electrons thus do work on the electric field, and are decelerated, their kinetic energy is converted to electric potential energy, increasing the amplitude of the oscillating electric field in the cavity. Thus the oscillating field in the catcher cavity is an amplified copy of the signal applied to the buncher cavity. The amplified signal is extracted from the catcher cavity through a coaxial cable or waveguide.
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The effect was first described in a paper by Horace Lamb in 1883 for the case of spherical conductors, and was generalised to conductors of any shape by Oliver Heaviside in 1885. The skin effect has practical consequences in the analysis and design of radio-frequency and microwave circuits, transmission lines (or waveguides), and antennas.
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To make an oscillator, the output cavity can be coupled to the input cavity(s) with a coaxial cable or waveguide. Positive feedback excites spontaneous oscillations at the resonant frequency of the cavities.
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16 sinne gevind in 6 ms. Hulle kom uit baie bronne en word nie nagegaan nie.