An antenna array consists of N identical Hertzian dipoles uniformly located along the z-axis and polarized in

Question:

An antenna array consists of N identical Hertzian dipoles uniformly located along the z-axis and polarized in the z-direction. If the spacing between the dipole is λ/4, sketch the group pattern when:
(a) N = 2,
(b) N = 4.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Elements of Electromagnetics

ISBN: 978-0195134773

3rd Edition

Authors: Matthew

See More Books

Question Posted: Aug 04, 2011 05:57 PM

See More Questions

The eneine mechanism shown in Fig. 8.38 has crank OB 50 mm and length of connecting rod AB 225 mm. The centre of gravity f the rod is at G which is 75 mm from B. The engine speed is 200 r.p.m. 45...
Two containers hold an ideal gas at the same temperature and pressure. Both containers hold the same type of gas, but container B has twice the volume of container A. (i) What is the average...
An infinitely long wire lies along the z axis and carries a current of 20 A in the positive z direction. A second infinitely long wire is parallel to the z axis at x = 10 cm. (a) Find the current in...
Q5] A firm has reported a profit of Rs.1,47,000 for the year ended 31-3-2014 after taking into consideration the following items. (i) The cost of an asset Rs.23,000 has been taken as an expense (ii)...
Take a look at Figure 22-1. Suppose that the firm decided to consider employing a 12th unit of labor, which it has determined would result in a decrease in total product to 370 units of output. If it...
Apple Inc., under the leadership of Steve Jobs, has been a huge success over the past few years, with new products such as iPhone and iPad received enthusiastically by consumers. The firm's stock...
A four stroke petrol engine has a stroke volume of 5.7 litres. Its mean effective pressure is 600 $\mathrm{kN} / \mathrm{m}^{2}$ and r.p.m. is 800 . Find the indicated power of the engine.
The worksheet of Bridgets Office Supplies contains the following asset and liability accounts. The balance of the Notes Payable account consists of notes that are due within a year. Prepare a balance...
Suppose the pressure in the esophagus is - 1.95 mm Hg while that in the stomach is + 18.5 mm Hg. To what height, in centimeters, could stomach fluid rise in the esophagus, assuming it has a density...
At the time he purchased his variable annuity, Ahmed directed $5,000 of his premium into Subaccount A when the unit value was $10. A year later, the unit value had increased to $15. Assuming he made...
Sketch the group pattern in the xz-plane of the two-element array of Figure with(a) d = ?, ? = ?/2(b) d = ?/4, ? = 3?/4(c) d = 3A/4, ? = 0 02 N.
Sketch the resultant group patterns for the four-element arrays shown inFigure. I10 A/2 2/2- (a) 1/37/2 /10 /4- +-/4- A/4- (b)
Den-Tex Company is evaluating a proposal to replace its HID (high intensity discharge) lighting with LED (light emitting diode) lighting throughout its warehouse. LED lighting consumes less power and...
Barbara Bliss had the following recognized gains and losses during 2018: What are the net tax consequences of these gains and losses for Barbara? Barbara's adjusted gross income is $\$ 30,000$...
If the continuously compounded interest rate is a constant $r$, what is the instantaneous forward interest rate (see Formula 4.5)?
Stenton Toys Ltd. is a toy retailer with stores in each of the Canadian provinces. Stenton has a head office and a central warehouse in Mississauga, Ontario. All inventory purchases are made...
An electrochemical cell has Ag electrodes and an electrolyte containing different concentrations of AgNO3 solutions separated by a salt bridge. When the two cell compartments have AgNO3 concentration...
Lyle Inc. is a cash-basis, calendar-year taxpayer. In 2018, it changes to the accrual method of accounting. Its 2018 income computed under the accrual method is $\$ 75,000$. The following...
Evaluate $\mathbf{T} e^{x}$ for the transformation $\mathbf{T} x=-x$.
d) For die casting processes: 1. What are the most common metals processed using die casting and discuss why other metals are not commonly die casted? 2. Which die casting machines usually have a...
(a) One of the following compounds is an unusual example of a salt that is soluble in hydrocarbon solvents. Which one is it? Explain your choice. (b) Which of the following would be present in...
What was the effect of the increase in oil prices during 2008 on the Phillips curve?
China experienced many negative effects of the U.S. recession of 20072009. Like the United States, China was faced with higher oil prices. Unlike the U.S. case, housing prices in China did not fall....
Prior to the 20072009 recession, Chinas inflation rate appeared to be increasing. a. What would a high and increasing rate of inflation imply about Chinas output gap? b. What would you expect to...
An airline will purchase 2 million gallons of jet fuel in one month and hedges using heating oil futures. From historical data, the standard deviation of heating oil futures contract is sF =0.031...
A European call option for a share costs $5.00. The exercise price of the call option is $100.00. An investor buys one call and holds it until maturity: a. Under what circumstances will the holder of...
You have been asked to estimate the cost of capital for the UTX corporation. The company has 7 million shares and 150,000 bonds outstanding at par value $10,000. In addition, it has $300 million in...

An antenna array consists of N identical Hertzian dipoles uniformly located along the z-axis and polarized in

Question:

Step by Step Answer:

a The grouped pattern is sketched below b The ...View the full answer

Elements of Electromagnetics

Students also viewed these Electrodynamics questions