Adaptive Array - Chebyshev Polynomials Properties Online Exam Quiz
Adaptive Array - Chebyshev Polynomials Properties GK Quiz. Question and Answers related to Adaptive Array - Chebyshev Polynomials Properties. MCQ (Multiple Choice Questions with answers about Adaptive Array - Chebyshev Polynomials Properties
All the nulls occur at (-1, 1) in the Chebyshev polynomial.
Options
A : TRUE
B : FALSE
C : -
D : -
All the polynomials of the order m pass through the point __
Options
A : (1, 1)
B : (0, 0)
C : (0, 1)
D : (-1, 0)
Angular width between the first nulls or first side lobes is called as ___
Options
A : half power beam width
B : full null beam width
C : beam area
D : directivity
As the order of the polynomial increases, the slope becomes steeper.
Options
A : TRUE
B : FALSE
C : -
D : -
If beam efficiency is 0.87 then the stray factor is __
Options
A : 1.87
B : 0.13
C : 1.3
D : 0.87
If the antennas revolution time is 10 sec and 3 dB beam width duration is 150ms then the antenna beam width is ___
Options
A : 5.4?
B : 54?
C : 15?
D : 1.5?
If the HPBW is 30? then FNBW is approximately ___
Options
A : 60?
B : 30?
C : 15?
D : 20?
Relation between beam efficiency and stray factor is given by __
Options
A : ?B+?s=1
B : ?B-?s=1
C : \frac{\in_B}{\in_s}=1? B ? s =1
D : ?B+?s=2
The condition for the existence of the main lobe according to the Chebyshev is ___
Options
A : |x| > 1
B : |x| < 1
C : |x| = 0
D : 2|x| > 1
Total beam area is sum of major and minor lobe areas.
Options
A : TRUE
B : FALSE
C : -
D : -
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