# 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 : -

### Frequency Independent Antenna - Design of LPDA more Online Exam Quiz

Frequency Independent Antenna - Working of LPDA

Adaptive Array - Antenna Synthesis

Adaptive Array - Chebyshev Arrays

Adaptive Array - Chebyshev Polynomials Fundamentals