User Account

All Pages

Find the aperture efficiency of this antenna

Assignment Help Civil Engineering
Reference no: EM131108166

A reflector antenna used for a cellular base station backhaul radio link operates at 38 GHz, with a gain of 39 dB, a radiation efficiency of 90%, and a diameter of 12 inches.

(a) Find the aperture efficiency of this antenna.

(b) Find the half-power beamwidth, assuming the beam widths are identical in the two principal planes.

Reference no: EM131108166

Questions Cloud

Compare and contrast the various investment products : Compare and contrast the various investment products that are available to an individual investor(like yourself) and the types of institutions that sell them.
What is homeostasis : Please use the link below to answer the following question; What are the functions of the major organs in the human body? Link: https://www.khanacademy.org/science/biology/human-biology
Identify at least three regulatory agencies involved in ipo : What are the reasons why companies would choose to have an IPO? Why do some firms remain or go private? Explain your answers. Identify at least three regulatory agencies involved in an IPO. Explain their respective roles in such an offering.
Which swiss city lies at the other end of the line : The Centovalli train passes through a series of picturesque villages. One end of this line terminates in Domodossola, Italy. Which Swiss city lies at the other end of the line
Find the aperture efficiency of this antenna : Find the half-power beamwidth, assuming the beam widths are identical in the two principal planes.
Calculate the project''s npv : Calculate the project's NPV. Calculate the annual EVA in a typical year. Calculate the overall project EVA and compare to your answer in part a.
What is the name of the monument the swiss : The Swiss Guard is the private bodyguard of the Pope located in The Vatican and are in fact a highly trained unit of soldiers. What is the name of the monument the Swiss people erected to pay homage to their bravery
Prepare the journal entry to account for this forfeiture : On July 25, 2014, Tokar leaves the company. Prepare the journal entry (if any) to account for this forfeiture.
What do you think it means to be media savvy : Which type of people were likely to be shown? What types of ads were most common? Was there much variation in the body types of the men and women in the ads? Explain.

Reviews

Write a Review

Civil Engineering Questions & Answers

  Sketch the equipotential line going through the origin

Flow velocity is given by the function v= -5i +3j . Find the equation for the velocity potential, and the stream function ?. Sketch the equipotential line going through the origin.

  Determine what is the drag coefficient at the cars top speed

A 3000-lb car has a maximum speed (at sea level and on a level, paved surface) of 140 mi/h with 16" radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. It is know that at the car's top speed the engine is producing 220..

  Two pieces of steel are held together with six bolts one

two pieces of steel are held together with six bolts. one end of the first piece of steel is welded to a beam and the

  How many days will it take for 90 per- cent of the chemical

A first-order reaction that results in the destruction of a pollutant has a rate constant of 0.1/day. (a) How many days will it take for 90 per- cent of the chemical to be destroyed (b) How long will it take for 99 percent of the chemical to be destr..

  Find the magnitude of r dot and theta double dot at t

If r = (theta)2 and theta = 2t, find the magnitude of r dot and theta double dot when t = 2 s

  What is the dry unit weight of this material

A soil borrow material in its natural state in the ground has a unit weight of 118pcf. Its natural water content is 7%. What is the dry unit weight of this material?

  Evaluate your result for ? = 30°

Neglect friction and the mass of the small end roller and find the initial acceleration of A. Evaluate your result for θ = 30°

  Determine the volume flow rate of the steam at the nozzle

A steady-state, well-insulated turbine operates in two stages in series using steam. the first stage has an efficiency of 85% and the second stage 90%. Steam enters the first stage at 400 C and 4 MPa and exits at 1.5 MPa.

  Remain at the previously indicated rate of climb

If the static port of an aircraft became blocked during a climb the vertical speed indicator would: 1.Remain at the previously indicated rate of climb 2.Fall to zero rate of climb indication 3.Indicate a maximum rate of climb 4.Indicate a maximum rat..

  Draw a graph showing the effluent concentration as function

Draw a graph showing the effluent concentration as a function of time for : a. Zero order CMFR and PFR with the same influent concentration and reaction rate. b. First order CMFR and PFR with the same influent concentration and reaction rate.

  Explain what happens to the reading in the manometer

a pitot-static tube connected to a differential manometer measuring the fluid velocity in a pipe. what happens to the reading in the manometer, h, if the fluid velocity in the pipe is halved

  Civil engineering - structure design

Structural design of reinforced cast in - place concrete - Structure design

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd