# Microstrip Antenna Questions and Answers – Numerical Tool for Antenna Analysis

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This set of Advanced Microstrip Antenna Questions and Answers focuses on “Numerical Tool for Antenna Analysis”.

1. Which of the following is not a technique to analyze the Microstrip antenna?
a) FEM
b) MoM
c) FDTD
d) PID

Explanation: FEM, MoM, FDTD are techniques used to know the Microstrip antenna performance. PI, PD, PID are control system mechanisms. MoM (Method of moments) is used to solve the mixed potential integrated equations obtained from the electromagnetic properties.

2. Which of the following is used to solve the mixed potential integrated equations?
a) MoM
b) FEM
c) FDTD
d) Jordan’s method

Explanation: MoM (Method of moments) is used to solve the mixed potential integrated equations obtained from the electromagnetic properties. FEM (Finite Element method) and FDTD (finite difference time domain) solve the partial differential equations.

3. Which of the following technique in Microstrip antennas is used to solve the partial differential equations?
a) MoM but not FEM
b) FEM and MoM
c) FDTD and MoM
d) FEM and FDTD

Explanation: FEM (Finite Element method) and FDTF (finite difference time domain) techniques are used in the Microstrip antenna to solve the partial differential equations. MoM (Method of moments) is used to solve the mixed potential integrated equations obtained from the electromagnetic properties.

4. Acronym of HFSS is for _______
a) High frequency structural stimulator
b) High frequency synthesis software
c) Hardware for stimulating system
d) High frequency system software

Explanation: HFSS is an Ansys tool used for the analysis of the antenna properties like radiation and designing antenna. HFSS is acronym used for High frequency structural stimulator. HFSS is a commercial FEM solver for the electromagnetic structure of the antenna.

5. Which of the following is a versatile technique to analyze the complex structure of Microstrip antenna in HFSS?
a) MoM
b) FEM
c) FDTD
d) Cavity Method

Explanation: HFSS is a High Frequency Structural Stimulator used as a commercial FEM solver for the electromagnetic properties of the antenna. FEM and FDTD solve the partial differential equations while MoM is used to solve the mixed potential integrated equations obtained from the electromagnetic properties.

6. In FEM, the region of interest is divided into a number of finite layers elements to analyze it
a) True
b) False