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08/082020
What is the difference b...
Passive antennas are radiating elements composed entirely of passive components. Normally, this means that a passive antenna system includes at least a passive radiator (antenna element), passive impe
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08/082020
What is antenna polariza...
Antenna polarization is similar to optical polarization. Although there is a "polar", it has nothing to do with Arctic weather, but involves sending and receiving electromagnetic radiation according t
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08/082020
Principle and main param...
Microwave antenna is a kind of antenna device used in the field of microwave (meter wave, decimeter wave, centimeter wave, millimeter wave, etc.) communication as a feeder for reflective surface commu
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08/082020
Conceptual Analysis of A...
Standing wave ratio is called voltage standing wave ratio, also known as VSWR and SWR, which is short for English Voltage Standing Wave Ratio.
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08/082020
What are the antenna per...
Antennas are key components of radio frequency and microwave equipment and are widely used in various applications such as radio and television broadcasting, radar, cellular transmission, and satellit
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08/082020
Common Models of RF Coax...
This article briefly introduces various general model names, appearances and applications of small and medium power coaxial connectors, helping test engineers, especially beginners, to get a prelimina
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08/082020
Analysis of Directivity ...
The basic function of an antenna is to change the electromagnetic wave transmitted by the feeder into an electromagnetic wave propagating in free space.
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08/082020
Design of ultra-high per...
In recent years, with the rapid development of my country's communication industry, microwave relay communication antennas have also been continuously developed and improved.
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08/082020
Performance index of pow...
There are many performance indicators for power amplifiers, including output power, frequency response, distortion, signal-to-noise ratio, output impedance, damping coefficient, etc., among which thre
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08/082020
Benefiting from 5G deman...
According to the "IC Insights" report, due to the impact of the new crown pneumonia (Covid-19) epidemic, the overall power transistor market revenue is expected to fall by 7% this year, but by 2021, s
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