# Adaptive Array - Antenna Synthesis Online Exam Quiz

### ___ is used to obtain array with any desired side lobe level.

Options

A : Chebyshev

B : Schelkunoff

C : Woodward-Lawson

D : Binomial

Options

A : TRUE

B : FALSE

C : -

D : -

### The recurrence relation for the Chebyshev polynomial is __

Options

A : Tm(z) = 2zTm-1(z) ? Tm-2(z)

B : Tm (z) = Tm-1(z) ? 2zTm-2(z)

C : Tm(z) = 2zTm(z) ? Tm-2(z)

D : Tm(z) = 2zTm(z) ? Tm-1(z)

### Which of the following is holds true for the Chebyshev polynomial?

Options

A : Tm(-x) = (-1)m Tm(x)

B : Tm(-x) = (-1)m Tm-1(1/x)

C : Tm(x) = (-1)m Tm(1/x)

D : Tm(-x) = (-1)m Tm-1(x)

### Which of the following is the key feature of the Chebyshev array?

Options

A : Have constant side lobes and elements are placed uniformly

B : Have varying side lobes and elements are placed uniformly

C : Minor lobes are present at |x| > 1

D : Major lobes are present at |x| < 1

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

Frequency Independent Antenna - Design of LPDA

Frequency Independent Antenna - Working of LPDA