1. Antenna and Wave Propagation
Unit Test II
Part A
1. Define Broad Side Array.
2. Define End Side Array.
3. Define Uniform Linear Array
4. Difference between broadside and end side array.
5. Define principle of Pattern Multiplication.
6. List different types of non-uniform amplitude distribution.
7. Define Binomial Array.
8. List the advantages of Pattern Multiplication.
Part B
1. Design the radiation pattern of a two element array separated by λ/2 distance of equal
amplitude and in phase.
2. Design the radiation pattern of a two element array separated by λ/2 distance of equal
amplitude and are opposite in phase.

2. 3. Design a broadside array of a four element separated by a λ/2 distance and plot its
radiation pattern (field pattern).
4. Design a end fire array of a four element separated by a λ/2 distance and plot its
radiation pattern (field pattern).
5. Design a four element broad side array with optimum pattern side lobe level 19.1db
below main lobe using Tchebyscheff polynomial.

3. 6. A 7 element array with optimum pattern side lobe level is -20db below main lobe using
Tchebyscheff polynomial design relative amplitude.
7. Explain in detail about Horn antenna design equation.
8. Explain in detail about Pyramidal horn antenna’s field component.