Calculate the minimum overall length of the array

Assignment Help Physics
Reference no: EM131234756

A colinear array of half-wave dipoles is to be used to produce an omnidirectional radiation pattern with a directivity of at least 14 dBi at a frequency of 900 MHz. Calculate the minimum overall length of the array and the 3 dB beamwidth, given that the center-to-center spacing between adjacent antennas is 0.5 wavelengths.

Reference no: EM131234756

Questions Cloud

What obligations the us government has towards its citizens : In your initial post, explain what obligations the U.S. government has towards its citizens and how can these obligations impact individual and group rights?
Analyze theme reviewed literature around topic of leadership : You will write an 8 page research paper (not including cover page or references) that captures relevant theories and empirical research leading to a significant synthesis and analysis of week 4 annotations (you may also include any other annotatio..
Analyze and determine the root causes of the defects : Define the project goals and customer (internal and external) deliverables. Measure the process to determine current performance. Analyze and determine the root causes of the defects
Calculate the final grade for the course : Professor S. gives two assignments in her class. She uses the higher of the two grades when she wants to calculate the final grade for the course
Calculate the minimum overall length of the array : A colinear array of half-wave dipoles is to be used to produce an omnidirectional radiation pattern with a directivity of at least 14 dBi at a frequency of 900 MHz. Calculate the minimum overall length of the array and the 3 dB beamwidth, given th..
Analyze effect of criminal justice policy on social justice : Revise existing public policy to address specific criminal justice issues. Explain the effects of public policy on internal criminal justice operations. Analyze the effect of criminal justice policy on social justice.
Construct a representative indifference curve : Construct a representative indifference curve for each of the following situations. Describe the preferences in each case.
Leadership via vision is necessary for success : Leadership via "vision" is necessary for success. Discuss in detail the qualities that a leader must exhibit in order to be considered visionary and how these qualities may be learned and developed. Provide research and share insight on the determina..
Calculate the phase advance across entire length of array : For the array and phase advance in Problem 4.2, calculate the distance from the tower in which nulls may occur in the radiation pattern.

Reviews

Write a Review

Physics Questions & Answers

  Calculate the change in her internal energy

A woman is walking up a mountain trail at a constant speed. Whileshe is walking she ingests a candy bar that supplies 745 Cal ofenergy. The work she does while climbing results in an increase ofgravitational potential energy of 469 Cal.

  Get the potential energy of a current-carrying loop

Get the potential energy of a current-carrying loop in a B field that has a uniform over the face area of the loop. The work an external agent would have to perform to change the orientation of a loop in the B field, originally at rest with the loop ..

  Find the ratio of the effective cross-sectional area a

The terminal speed of a sky diver is 124 km/h in the spread-eagle position and 338 km/h in the nosedive position. Assuming that the diver's drag coefficient C does not change from one position to the other

  What is the unknown element of period t and maximum voltage

An ac source of period T and maximum voltage V is connected to a single unknown ideal element that is either a resistor, an inductor, or a capacitor. At time t=0 the voltage is zero.

  Q1 two charges are placed on the x axis one of the charges

q1. two charges are placed on the x axis. one of the charges q1 6.95c is at x1 3.00 cm and the other q2 -27.3c is at

  Evaluate the wavelength of this radiation

The Big Bang Theory suggests leftover background radiation. Find the wavelength of this radiation

  How far will the water travel horizontally

When a water gun is fired while being held horizontally at a height of 1.00 m above ground level, the water travels a horizontal distance of 4.90 m. how far will the water travel horizontally

  Monochromatic coherent light

Monochromatic coherent light shines through a pair of slits. If the distance between these slits is decreased, which of the following statements are true of the resulting interference pattern? (There could be more than one correct choice.)

  Calculate the angular momentum of the disc

A child of mass 50.0 kg stands 2.00 m from the center of a horizontal circular disc of radius 4.00 m and mass 200 kg. The disc is mounted on a frictionless, vertical axis. Calculate the angular momentum of the disc

  Determine at what speed did his pool ball hit the ground

the top of the pool table is 0.710m from the floor. the placement of the tape is such at 0m aligns to the edge of the table. at what speed did his pool ball hit the ground

  Speed in kmhr relative to the moving water

A boat is to cross a river on a course directed 20.0° north of east in 10 minutes from point A to point B. The distance from point A to point B is 815m. If the river flows at a speed of 3.0 km/hr, at what angle upstream must the boat be headed,..

  Find the tension required to obtain the proper frequency

A steel wire with mass21.8g and length1.6m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. Calculate the tension required to obtain the proper frequency

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!

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