Reference no: EM13263284
1. If in an isotropic mobile transmitting station, the power that it radiates is 100 Watt at 1.0GHz in free space, calculate the following
a) the power density of Electromagnetic wave at 10m away from the source.
b) The electrical field at 10 m away in free air space?
2. What is reduction of signal power for a person at 20 m away
a) holding the same mobile type of mobile phone
b) Holding the mobile phone that has double antenna gain AP
3. If the EM wave of 10 kW transmitted is hitting a truly reflecting building at 20o and 5m from normal, the coefficient of reflection is r=0.5, at which location the reflected ray is max and its power density at 5m in that direction?
4. If the EM wave is traveling from free air space (n1=1) to ionosphere D and the angle of incidence is 30degree but angle of refraction in second medium is 20degree, what is the speed of EM wave at ionosphere D?
5. What is polarization of EM wave when the antenna is arranged vertically? Do you think horizontal antenna can receive the signal sent by a vertical antenna? Why
6. If a person (A) stands at 10 km and another person (B) stands at 20km away from the source, what is the attenuation ratio in decibel (db) for the power received between second person (B) to first person (A) transmitted by an isotropic source.
7. Calculate the total loss in signal power of an isotropic source that transmitted a 10 kW signal if the attenuation caused 20 db drop and
polarization caused 10 db drop, absorption caused 6 db drop and reflection caused 4db drop.
8) A TV station radiated a TV signal at 10mW uniformly, the receiver is located at 2km away from the station. The TV antenna has gain of 28db against isotropic receiver. The absorption & reflection& etc (fade) losses is -38db to ensure 99.99% reliability. Your TV carrier signal is 600MHz.
a). Calculate the attenuation loss and total losses, what will be the power in dbm at the receiver?
b). Do you think a typical TV of 20db NF and IF of Bandwidth (B) of 5MHz can have a good picture?
|
What specific evidence does the writer offer
: What is the claim, or thesis, of this essay? Is the writer's position clear? Copy it word-for-word here, and let the writer know if you have any suggestions and who is the specific argument that the writer is responding to in this piece?
|
|
Calculate the new pe ratio of the company
: Pacific Energy Company has a new project that will generate additional earnings of $112,000 each year in perpetuity. Calculate the new PE ratio of the company.
|
|
Determine all values each component using si diode
: design a variable power supply of 0-25 V and 0-5 A with load voltage 5 V and load current 1 A. the primary voltage is 120 Vrms and 60 Hz. determine all values each component, use diode of Si.
|
|
What is the intensity of the transmitted beam
: Unpolarized light of intensity I0 passes through six successive Polaroid sheets each of whose axis makes a 45? angle with the previous one
|
|
Calculate the attenuation loss and total losses
: If the EM wave of 10 kW transmitted is hitting a truly reflecting building at 20o and 5m from normal, the coefficient of reflection is r=0.5, at which location the reflected ray is max and its power density at 5m in that direction
|
|
Why you must include a power analysis in your paper
: Consider your study (Terrorism Ideology and Perception of National Security Strategies by local police), conduct a mock power analysis using G*Power. Include the results of your power analysis in a word document. Submit these results along with a bri..
|
|
Find the efficiency of the motor and ifla of the motor
: A 20-Hp, 240VDC, 4-pole Shunt motor operates at rated load and 1700rpm and an efficiency of 88%. It has armature resistance of 0.2Ω and field resistance of 240Ω. Find: a)Power input to the motor b)IFLA of the motor
|
|
The fvalue is a ratio of two variance estimate what variable
: The F-value is a ratio of two variance estimates. What variance is used as a numerator of the ratio?
|
|
How long does an hour on the ship last
: Mario is watching Luigi fly past in a spaceship at 1.63×108 m/s. How long does an hour on the ship last, according to Luigi
|