Pattern Multiplications Online Exam Quiz
Pattern Multiplications GK Quiz. Question and Answers related to Pattern Multiplications. MCQ (Multiple Choice Questions with answers about Pattern Multiplications
A 4-isotropic element broadside array separated by a ?/2 distance has nulls occurring at __
Options
A : cos^{-1} (?\frac{n}{2})
B : cos^{-1} (?\frac{4n}{2})
C : sin^{-1} (?\frac{n}{2})
D : sin^{-1} (?\frac{n}{4})
A 4-isotropic element broadside array separated by a ?/4 distance has nulls occurring at __
Options
A : cos-1 (?n)
B : cos^{-1} (?\frac{n}{2})
C : sin^{-1} (?\frac{n}{2})
D : sin-1 (?n)
The array factor of 4- isotropic elements of broadside array is given by __
Options
A : \frac{sin(2kdcos?)}{2kdcos?}
B : \frac{sin(kdcos?)}{2kdcos?}
C : \frac{sin(2kdcos?)}{kdcos?}
D : \frac{cos(2kdcos?)}{2kdcos?}
The array factor of 4- isotropic elements of broadside array separated by a ?/2 is given by __
Options
A : sinc(2cos?)
B : sin(2?cos?)
C : sinc(2?sin?)
D : sin(2sin?)
The array factor of 4- isotropic elements of broadside array separated by a ?/4 is given by __
Options
A : sinc(cos?)
B : cos(sin?)
C : sin(sin?)
D : sin(cos?)
The isotropic element array radiation pattern depends on the nulls of the array factor only.
Options
A : TRUE
B : FALSE
C : -
D : -
The total radiation pattern of a two element array, elements separated by a distance ?/4 and phase difference \frac{?}{2}, the nulls occur at (for far field) __
Options
A : 0, ??/2
B : ?, ??/2
C : ?, ??/4
D : ?/4, ??/2
Which of the following doesn't applicable for pattern multiplication?
Options
A : It is the product of the individual radiation pattern of the element with the array factor of the array
B : All elements must be identical
C : All elements need not be identical
D : This gives the radiation pattern of the entire array
Array of N-Isotropic Sources more Online Exam Quiz
Radiation Pattern for 4-Isotropic Elements