One of the advantages of the Microstrip antenna compared to conventional microwave antenna is _________Select one:a. Small sizeb. Low gainc. No surface wave excitationd. High gain

The advantage of microwave over lower frequency signals is:a.increased bandwidthb.ability to use high gainc.all of thesed.increased secrecy

The desirable substrate parameters to design a microstrip antennas are :Select one:a. Small dielectric constant and large substrate thicknessb. Large dielectric constant and small substrate thicknessc. Small dielectric constant and small substrate thicknessd. Large dielectric constant and large substrate thickness

Antenna manufacturer has decided to modify the antenna but with three times the effective aperture area of the previous antenna and keeping wavelength constant. The gain of the modified antenna will be ________Select one:a. same as the gain of original antennab. 9 times the gain of original antennac. three times the gain of the original antennad. twice the gain of original antenna

Choose all the correct statements. Wrong answers will be penalized Question 9Select one or more:a.If the progressive shift in an antenna array is equal to zero, the radiation produced is “end-fire”b.A large loop antenna has a higher radiation efficiency compared to a dipole antenna.c.Gain is the parameter that defines how well an antenna focuses its radiation at a particular direction.d.Conduction loss occurs at the interface between the transmission line and antenna.e.To receive signal at a particular frequency, a loop inductor must be used to form a resonant circuit to tune towards that frequency.f.The value of PLF of two antennas without polarization mismatch is equal to 0 dB.

Antenna manufacturer has decided to modify the antenna but with three times the effective aperture area of the previous antenna and keeping wavelength constant. The gain of the modified antenna will be ________Select one:a. 9 times the gain of original antennab. same as the gain of original antennac. three times the gain of the original antennad. twice the gain of original antenna