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What is passive antenna?
A passive antenna is an antenna that is not powered by an amplifier.
End fire antenna?
end-fire antenna = surface-wave antenna
What is thin linear antenna?
A thin antenna has nothing to do with the physical size of the antenna. Any antenna whose length is less than (1/10) of the wavelength of the signal is thin antenna. A linear antenna is one in which the current distribution is linear or bears a linear relationship with some parameter, say voltage of the antenna...... Mukesh
Examples of non resonant antenna?
Rhombic Antenna....
When antenna diameter is doubled what will happen to antenna gain?
increases by 6 dB
Where helical antenna is used?
it is used in space
A helical antenna is made up of coil and what?
plane reflector
What is the use of ground plane in helical antenna?
A ground plane in a helical antenna acts as a reflector, enhancing the radiation pattern and efficiency of the antenna. It helps to direct the radiated signal in a desired direction and minimizes signal loss due to ground reflections. The ground plane also provides a stable reference point for the antenna structure.
What is the advantage of a helical wire satellite antenna?
Circular polarization characteristics of a helical antenna help offset the effects of spin modulation from satellites in motion, that is, the tendency for satellites to spin causing the position of their antennae to change rapidly in accordance with the spin, causing a fluctuation in the signal as received by a fixed signal on earth. Circular polarization of the earth fixed antenna reduces the fluctuating effects of the satellite's spin on the recived signal.
What are the features of helical antenna?
the features are :-1.It has a wide bandwidth2.Easily constructed3.Has real i/p impedence.4.Can produce circularly polarized field.
What r the advantages and disadvantages of slot antenna?
•Advantage: •size •design simplicity •robustness
What is frank dance s helical model of communication?
what is the use of dance helical communication? helical communicqationis the communication of helical
What is Helical Sequence?
helical sequence
What is the meaning of helical?
Of or pertaining to, or in the form of, a helix; spiral; as, a helical staircase; a helical spring.
When was Helical Bar created?
Helical Bar was created in 1919.
Is RNA helical in structure?
Yes, RNA is helical in structure.
Helical-spiral model developed by Frank Dance?
what is dance helical model of communication? what is dance helical model of communication?
