College of Computer & Information Science Northeastern University Wireless Networks Lecture 2 Antennas and Propagation The notes in this document are based almost entirely on Chapter 5 of the textbook [Sta05]. Rappaport’s text is also a good reference for wireless signal propagation [Rap95]. 1 Antennas An antenna is an electrical conductor or a system of conductors that radiates/collects (transmits or receives) electromagnetic energy into/from space. An idealized isotropic antenna
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Should Mathematics and Science be taught in English English‚ by any standard‚ is a dominant language of the developed world. It is now a medium of instruction in the world and should be taught in Mathematics and Science subject. The implementation of English in science and mathematics in school is essential due to the use of the English language globally. However‚ teachers who are incompetent in English will have difficulties with the change of language used in the subject and teaching school subjects
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Learning English Using the Internet By: Marthy Vp Technological advancements have now made learning the English language much more easy‚ fun‚ and convenient. One technologically advanced method that has improved the way people learn English is the Internet. This modern form of communication has opened the world to a whole new way of learning the English language. The vast resources on the Web makes learning English a less intimidating undertaking. When one embarks on the process of learning English
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Chapter 1: The Problem Background of the story Students between the ages of 5 and 18 years of age are expected to learn in school. It is their primary job in society‚ and it’s possibly the one thing that will prepare them to become productive members in their adult years. What they learn will also determine the choices they’ll make when they enter the workforce or continue onto higher education. In order for students to learn there are several factors that must be considered. Most of these factors
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STATEMENT OF PURPOSE FOR MS IN ELECTRICAL ENGINEERING Life has always been a smooth flowing brook with small dashes here and there. It has certainly reached a critical juncture when I have to desire where to turn and what to do next and my idea of life can be best quoted by this very famous quotation: “Life is like riding a bicycle. To keep your balance‚ you must keep moving.”
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English Language is Globally Important English is the major language in such fields as international diplomacy‚ business and commerce‚ science and technology‚ and the travel industry. How did English become such an important global language? British Colonialism Took English to North America‚ the Caribbean‚ Africa‚ Australia‚ New Zealand‚ and the Indian sub-continent U.S. rise as a strong economic and strategic power Pop Culture English became the language of diplomacy
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following statement? It is more important for students to study history and literature than it is for them to study science and mathematics. Use specific reasons and examples to support your opinion." (250-300 words) ESSAY History‚ literature‚ science and mathematics are all classic and very important subject in their own sense. No subject can be given more or less importance in life. However‚ in my opinion‚ studying science and mathematics are more important than studying history and literature
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Why is it important for each student to have a laptop? Just as it is not feasible to have students stand in line to share learning tools such as a pencil‚ paper‚ notebook‚ book‚ etc‚ it also doesn’t make sense for them to share a laptops. Students often need to work at their own pace in their own way. Laptops become a student’s assistant for thinking‚ drawing‚ writing‚ reading‚ analyzing‚ calculating‚ connecting‚ collaborating‚ producing‚ researching‚ presenting‚ and more. This does not occur
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THE IMPORTANCE OF A COMPUTER FOR COLLEGE STUDENTS Technology has become more advanced and played a major role in our daily lives. Today‚ an invention such as the computer appears in almost every home and has become an essential tool in the school system. A computer is necessary for college students for three reasons: taking notes‚ doing research‚ typing and submitting assignments. First of all‚ a computer is necessary for students for taking notes in class. Not every student has good handwriting
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1. What is code? (1.0 pts) Text that is written in a human-readable programming language that a computer can also interpret 2. What does the Python(command line) interpreter’s command prompt look like? (0.5 points) Like a standard command prompt. Black screen‚ white writing. 3. Name at least one way to deal with a frozen window. (0.5 points) Close the window and try again. 4. What does the reset() command do? (1.0 points) Erases everything drawn by the turtle and moves the turtle back
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