Antenna Designer Measurement Techniques

Question 1

Which instrument is commonly used to measure antenna radiation patterns?

Accepted Answer

Anechoic chamber

Answer

Oscilloscope

Answer

Multimeter

Answer

Spectrum analyzer

Question 2

What does a network analyzer measure in antenna testing?

Accepted Answer

Impedance and VSWR

Answer

Antenna weight

Answer

Battery life

Answer

Signal noise level

Question 3

What is the significance of return loss in antenna measurement?

Accepted Answer

Higher return loss indicates better impedance matching

Answer

Higher return loss means worse performance

Answer

Return loss does not affect antenna performance

Answer

Lower return loss is always ideal

Question 4

What is the purpose of measuring Voltage Standing Wave Ratio (VSWR) in antennas?

Accepted Answer

Indicates impedance matching efficiency

Answer

Ensures lower radiation

Answer

Determines signal frequency

Answer

Measures antenna weight

Question 5

Which parameter is assessed by measuring antenna gain?

Accepted Answer

Signal strength and efficiency

Answer

Antenna size

Answer

Bandwidth capacity

Answer

Cable length

Question 6

Why is time-domain reflectometry (TDR) used in antenna measurements?

Accepted Answer

Detects faults in transmission lines

Answer

Measures electromagnetic interference

Answer

Calculates antenna weight

Answer

Eliminates the need for impedance matching