Embedded Files
syllabus
Arrays of point sources, field of two isotropic point sources, principle of pattern multiplication, linear arrays of ‘n’ isotropic point sources. Array factor, Grating lobes. Design of Broadside, End fire and Dolph Chebyshev arrays. Concept of Phase array.
Video Lectures
Antenna arrays | types of arrays | Microwaves & Antennas | Module 3 | Lecture 12
Topics
00:00 - Antenna arrays & types
Array of two point sources derivation | Microwaves & Antennas | Module 3 | Lecture 13
Topics
00:00 - Array of two point sources with equal amplitude & phase
18:15 - Array of two point sources with equal amplitude & different phase
29:02 - Array of two point sources with unequal amplitude & different phase
Array of n point sources derivation | Broadside & endfire array | MWA | Module 3 | Lecture 14
Topics
00:00 - Array of n isotropic point sources of equal amplitude & phase
11:18 - Array factor - Explanation - https://bit.ly/3RoykWC
11:45 - Broadside array case
29-13 - End-fire array case
Dolph-Tschebyscheff array| chebyscheff polynomials | Microwaves & Antennas | Module 3 | Lecture 15
Topics
00:00 - Introduction to chebyscheff array
09:35 - Tschebyscheff polynomial distribution
Design steps for Dolph-Tschebyscheff array | Microwaves & Antennas | Module 3 | Lecture 16
Topics
00:00 - Introduction to chebyscheff array
Problem 1 - design of 4 element broadside array | Microwaves & Antennas | Module 3 | Lecture 17
Topics
Q) Design a four element broadside array of lamda/2 spacing between elements. The pattern is to be optimum with sidelobes level 19.1 db down the main lobe maximum
Problem 2 - design of 8 element broadside array | Microwaves & Antennas | Module 3 | Lecture 18
Topics
Q) Design a eight element broadside array of isotropic source of lamda/2 spacing between elements. The pattern is to be optimum with sidelobes level 26 db down the main lobe maximum
Pattern Multiplication | Microwaves & Antennas | Module 3 | Lecture 19
Topics
Pattern Multiplication
Phased array antennas | Microwaves & Antennas | Module 3 | Lecture 20
Topics
Phased array antennas
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