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despun antenna is used in spin stabilization of cylindrical shaped satellite in which this abtenna is mounted on the top of the cylindrical satellite and the cylindrical body of the satellite keeps spinning around its vertical axis while the despun antenna on the body keeps following the specific area on the surface of the earth.
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Definition of quiet zone of antenna measurement?
A quiet zone in antenna measurement refers to an area surrounding the antenna test zone where electromagnetic interference is minimized to ensure accurate testing. It is essential for obtaining precise measurements of the antenna's radiation pattern and performance. The quiet zone is achieved by reducing reflections, scattering, and diffraction from surrounding objects and walls through proper test setup and shielding.
What is wireless Internet?
As the internet this modem having wireless antenna which collects & transmit data frequency via the wireless modem antenna. Just like walky talkies, it has towers & frequency band. This can be achieved by setting up a wireless network, and wireless card, or through WiFi.
Difference between hertz antenna and marconi antenna?
Hertz Antenna is lambda by 2 antenna & marconi antenna is lambda by 4 antenna...
What is the Off-axis gain of cassegrain antenna?
The off-axis gain of a Cassegrain antenna refers to the antenna's ability to receive or transmit signals effectively when the signal source is not aligned with the main axis of the antenna. This gain is typically lower than the maximum gain achieved when the source is directly in line with the antenna's focus. The design of the Cassegrain antenna, which includes a parabolic reflector and a secondary hyperbolic reflector, helps maintain reasonable performance off-axis, but the gain will vary based on the angle and distance from the boresight. Off-axis gain is an important consideration in applications like satellite communication, where signals may come from various directions.
What is the difference between an active antenna and a standard antenna?
An active antenna has a amplifier built in, a standard antenna does not. AKA powered antenna.
What is passive antenna?
A passive antenna is an antenna that is not powered by an amplifier.
What is the possessive form of antenna?
The possessive form for the noun antenna is antenna's.
What is better a yagi antenna or directional antenna?
A yogi is a directional antenna.
How do you ground a mobile CB antenna when using it as a base antenna?
How do you use a mobile CB antenna for base station antenna?
How to unplug old antenna to replace with standard antenna?
"How to unplug old antenna to replace with standard antenna on 1989 SunDance
What is the difference between omnidirectional antenna and smart antenna?
An Omnidirectional antenna generates a beam in all directions and is defined as one "having an essentially non-directional pattern in a given plane and a directional pattern in any orthogonal plane". A Smart antenna however, often referred to as an adaptive antenna, utilises adaptive DSP based techniques and digital technology. The original analogue signals must be converted to digital form through the use of digital converters. Consequently, the nulling of a given interference and the steering of the main beam to a known direction can be achieved by changing the phases and amplitudes of the signals in individual elements of the array.
End fire antenna?
end-fire antenna = surface-wave antenna
