Engineering, 04.04.2022 15:40 winterblackburn78

Compare the path loss in dB for two possible cellular environments where there is (1) free space between mobiles and base stations, and (2) urban area cellular radio with n = 3.1. Use 1.9 GHz at a
distance of 1.5 km and assume isotropic antennas.
Hint: LdB = 20 log(f) + 10n log(d) − 147.56dB

Answers: 1

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 08:10, doggo242

Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed

Answers: 1

continue

Engineering, 04.07.2019 18:10, yasminothman02

An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet

Answers: 3

continue

Engineering, 04.07.2019 18:10, aliopqwas

Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.

Answers: 1

continue

Engineering, 04.07.2019 19:10, jimena15

10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.

Answers: 2

continue

You know the right answer?

Compare the path loss in dB for two possible cellular environments where there is (1) free space b...