Antenna Unit Test II questions

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Antenna Unit Test II questions

  1. 1. Part A1. Define Broad Side Array.2. Define End Side Array.3. Define Uniform Linear Array4. 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 B1. Design the radiation pattern of a two element array separated by λ/2 distance of equalamplitude and in phase.2. Design the radiation pattern of a two element array separated by λ/2 distance of equalamplitude and are opposite in phase.
  2. 2. 3. Design a broadside array of a four element separated by a λ/2 distance and plot itsradiation pattern (field pattern).4. Design a end fire array of a four element separated by a λ/2 distance and plot itsradiation pattern (field pattern).5. Design a four element broad side array with optimum pattern side lobe level 19.1dbbelow main lobe using Tchebyscheff polynomial.6. A 7 element array with optimum pattern side lobe level is -20db below main lobe usingTchebyscheff polynomial design relative amplitude.
  3. 3. 7.Explain in detail about Horn antenna design equation.8. Explain in detail about Pyramidal horn antenna’s field component.

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