Q. Difference between the direct path and the diffracted path is called _______

View solution

Q. The phase difference between a direct line of sight path and diffracted path is function of _______

View solution

Q. Which of the following explains the concept of diffraction loss?

View solution

Q. In mobile communication system, diffraction loss occurs due to ______

View solution

Q. For predicting the field strength in a given service area, it is essential to estimate ______

View solution

Q. Scattering occurs when medium consists of objects with dimensions _______ compared to the wavelength.

View solution

Q. Scattered waves are produced at ________

View solution

Q. The actual received signal is ______ than what is predicted by reflection and diffraction model.

View solution

Q. Scattered energy in all directions provides _________ at a receiver.

View solution

Q. Surface roughness are often tested using __________

View solution

Q. A surface is considered rough if protuberance is ________ than critical height.

View solution

Q. RCS of scattering object is defined as the ratio of _______

View solution

Q. Which equation is used to calculate the received power due to scattering for urban mobile radio system?

View solution

Q. In ionosphere propagation, waves arriving at the receiving antenna using the phenomenon of _______

View solution

Q. Power density is basically termed as ________ power per unit area.

View solution

Q. Empirical approach is based on fitting curve or analytical expressions.

View solution

Q. Which of the following is not a practical path loss estimation technique?

View solution

Q. Average received signal power decreases __________ with distance.

View solution

Q. What does path loss exponent indicates?

View solution

Q. The reference distance should not be in the far field of the antenna.

View solution