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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corresponding development in the concept of responsibility as it applies to computing practitioners" (107). Gotterbarn believes that computer professionals should be perfect and are responsible for any effects caused by their coding. I disagree with Gotterbarn on this matter. In this essay‚ I will show that Gotterbarn’s thoughts and beliefs on professional responsibility in computer ethics are unreasonable and therefore should not be applied. Gotterbarn begins his article with examples of problems that resulted
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PARENTS TEACHERS PROGRESSIVE FORUM (PTPF) A MEMORNDON ON: THE IMPORTANCE OF COMPUTER AND COMPUTER EDUCATION. “First we thought the PC was a calculator. Then we found out how to turn numbers into letters with ASCII (Americas standard code for information interchange) — and we thought it was a typewriter. Then we discovered graphics‚ and we thought it was a television. With the World Wide Web‚ we’ve realized it’s a brochure and while we ponder‚ we discovered it has become a global community.” I
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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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It is unquestionable that English today enjoy a significant status as the most worldwide spoken language. It becomes part of daily life of many people for many reasons: enjoyment‚ academic‚ economic‚ and other purposes. It is spoken throughout the world either as a first or second language‚ not only with English speakers‚ but with people of different first languages. Crystal (1994) describes its status as ‘global language’ where it started to have ‘a special role that is recognized in every country
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in this world such as English‚ Mandarin‚ Indonesian‚ etc. However‚ English language well known as international language. As well-known languages in this world‚ many people want to learn it while the other think learning English is not important. I would like to share my point of view about English‚ it is important or not. English is a worldwide language. Many books‚ magazine‚ technology‚ newspaper and information on the internet exist first in English. In business English is very crucial because
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innermost feeling always ticked me to know further about this. The thought of inventing something that can help thousands of people always fascinated me. Later I came to know that this concealed thought of mine‚ has actually a name‚ which is Human-Computer Interaction. Though I did not have the formal knowledge about this field until I attended the HCI course in my undergraduate program‚ now when I think about it‚ I find that I was always subconsciously intrigued by this‚ throughout my undergraduate
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languages in the world‚ English is considered as the international language. There are some reasons why English is so important and many people attempt to learn it. I’d like to share the reasons in my point of view. Sri Lanka is a developing country and everyone has to learn English because today everything seems to be English. When we consider about education in Sri Lanka‚ children are forced to learn English starting at preschool in order to make their English better. English is added as a compulsory
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language has been the medium of instruction for about 20 years; however in January 2003 Malaysia re-adopted the English language as a medium of instruction for science and mathematics in a move to keep abreast with scientific and technological development that is mostly recorded in the English language. At the same time‚ this move is envisaged to provide opportunities for students to use the English language and therefore increase their proficiency in the language. This change in policy is congruent to
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"The English Language" Essay Navigation • Study Pack on English language • Copyright • Order our English language Study Pack [pic] [pic] Get The Standard Deviants - Learn English as a Second Language (ESL) DVD 4-Pack from Amazon.com [pic] Not What You Meant? There are 96 definitions for George. Also try: Barton or Emil or Neville or English. [pic] Student Essay on The English Language [pic] [pic] [pic] [pic] About 2 pages (512 words) English language
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