Where does the major lobe in the end-fire array occur?

Where does the major lobe in the end-fire array occur?
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1 Answer

Answer :

Along the major axis
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Related questions

To maintain the required balance of phase relationships and critical feeding, how must the end-fire array be constructed?

Description : To maintain the required balance of phase relationships and critical feeding, how must the end-fire array be constructed?

Last Answer : Symmetrically.

What are some disadvantages of the end-fire array?

Description : What are some disadvantages of the end-fire array?

Last Answer : Extremely low radiation resistance, confined to one frequency, and affected by atmospheric conditions.

As the spacing between elements in a broadside array increases, what is the effect on the major lobes?

Description : As the spacing between elements in a broadside array increases, what is the effect on the major lobes?

Last Answer : They sharpen.

______ is an antenna array which is highly directional at right angles to the plane of the array? A. Broadside array B. End-fire array C. Turnstile array D. Log-periodic array

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Last Answer : A. Broadside array

Which is a non-resonant antenna? A. Rhombic antenna B. Folded dipole C. End-fire array D. Yagi-Uda antenna

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If the current ratios of the two or more elements must be held 5% and the phase angle to 3° the antenna is called a A. end fire array B. critical phased array C. broadband array D. wideband array

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Last Answer : B. critical phased array

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Description : Which is the non-resonant antenna? A. Broadside Antenna B. Folded Dipole C. Rhombic antenna D. End fire array

Last Answer : C. Rhombic antenna

It consists of a number of dipoles of equal size, equally spaced along a straight line with all dipoles fed in the same phase from the same source. A. Log-periodic antenna B. Yagi antenna C. End-fire array D. Broadside array

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Description : One ofthe followingconsistsof nonresonant antennas: a.The rhombic antenna b. The folded dipole c. The end-fire array d. The broadside array

Last Answer : a.The rhombic antenna

How does the operator of a single-lobe scanning system determine when the target moves off the lobe axis?

Description : How does the operator of a single-lobe scanning system determine when the target moves off the lobe axis?

Last Answer : The reflected signals decrease in strength.

Radio wave concentration in the direction of the signal emitted by a directional antenna. A. Back lobe radiation B. Side lobe radiation C. Major lobe radiation D. Transmitted signal

Description : Radio wave concentration in the direction of the signal emitted by a directional antenna. A. Back lobe radiation B. Side lobe radiation C. Major lobe radiation D. Transmitted signal

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Last Answer : line of shoot

lobes between end of the love at which the relative power is one half (-3dB) its value from the peak of the lobe. A. Bandwidth B. Wavelength C. Radiation D. Beamwidth

Description : Width measured in degrees of a major lobes between end of the love at which the relative power is one half (-3dB) its value from the peak of the lobe. A. Bandwidth B. Wavelength C. Radiation D. Beamwidth

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The broadside array consists of a flat reflector and what other elements?

Description : The broadside array consists of a flat reflector and what other elements?

Last Answer : Two or more half-wave dipoles.

The Yagi antenna is an example of what type of array?

Description : The Yagi antenna is an example of what type of array?

Last Answer : Multielement parasitic array.

What is the advantage of adding parasitic elements to a Yagi array?

Description : What is the advantage of adding parasitic elements to a Yagi array?

Last Answer : Increased gain.

What are the disadvantages of the parasitic array?

Description : What are the disadvantages of the parasitic array?

Last Answer : Their adjustment is critical and they do not operate over a wide frequency range.

The parasitic array can be rotated to receive or transmit in different directions. What is the name given to such an antenna?

Description : The parasitic array can be rotated to receive or transmit in different directions. What is the name given to such an antenna?

Last Answer : Rotary array.

hat two factors determine the directivity pattern of the parasitic array?

Description : hat two factors determine the directivity pattern of the parasitic array?

Last Answer : Length of the parasitic element (tuning) and spacing between the parasitic and driven elements.

When more than two elements are used in a broadside array, how are the elements arranged?

Description : When more than two elements are used in a broadside array, how are the elements arranged?

Last Answer : Parallel and in the same plane.

How is directivity of a collinear array affected when the number of elements is increased?

Description : How is directivity of a collinear array affected when the number of elements is increased?

Last Answer : Directivity increases.

How can the frequency range of a collinear array be increased?

Description : How can the frequency range of a collinear array be increased?

Last Answer : By increasing the lengths of the elements of the array.

Why is the number of elements used in a collinear array limited?

Description : Why is the number of elements used in a collinear array limited?

Last Answer : As more elements are added, an unbalanced condition in the system occurs which impairs efficiency.

What is the maximum number of elements ordinarily used in a collinear array?

Description : What is the maximum number of elements ordinarily used in a collinear array?

Last Answer : Four.

Consider an array A[20, 10], assume 4 words per memory cell and the base address of array A is 100. What is the address of A[11, 5] ? Assume row major storage. (A) 560 (B) 565 (C) 570 (D) 575

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9. (i) If \( A =\left[\begin{array}{rr}2 & -1 \\ -1 & 2\end{array}\right] \), verify \( A ^{2}-4 A +3 I = O \), where \( I =\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right] \) and \( O =\left[\begin{array}{ll}0 & 0 \\ 0 & 0\end{array}\right] . \) Hence find \( A ^{-1} \)(W. Bengal B. 2016 )

Description : 9. (i) If \( A =\left[\begin{array}{rr}2 & -1 \\ -1 & 2\end{array}\right] \), verify \( A ^{2}-4 A +3 I = O \), where \( I =\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right] \) and \( O =\left[\begin{array}{ll}0 & 0 \\ 0 & 0\end{array}\right] . \) Hence find \( A ^{-1} \)(W. Bengal B. 2016 )

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8. If \( A=\left[\begin{array}{ll}1 & 3 \\ 4 & 1\end{array}\right] \), then find \( \left|3 A^{\prime}\right| \).

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What is mean by Extra key inserted at the end of Array?

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If brain-graft leases were legalized, whose temporal lobe would you like grafted to your brain?

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What lobe receives sensory information about touch pressure pain temperature and body position?

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What lobe of the brain is good for sense of touch?

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What is the path of a red blood cell from the aortic arch to the right parietal lobe of the brain and back to the right brachiocephalic vein?

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How long will it take a reconstructed stretched ear lobe piercing take to heal?

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