Problem 45493. SatCom #2: Gain of a circular 'dish' antenna

Created by Mark Posen

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Satellite and Space Engineering - Problem #2</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:i/></w:rPr><w:t>This is part of a series of problems looking at topics in satellite and space communications and systems engineering.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Determine the gain (in dBi) of a circular 'dish' antenna.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>You are given the diameter of the antenna (in m), the frequency of operation (in Hz) and the antenna efficiency (as a %). Calculate the gain of the antenna (in dBi).</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>You should take the speed of light to be 299,792,458 m/s.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Hint: See</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://en.wikipedia.org/wiki/Parabolic_antenna#Gain\"><w:r><w:t>&lt;https://en.wikipedia.org/wiki/Parabolic_antenna#Gain</w:t></w:r></w:hyperlink><w:r><w:t>&gt; - but don't forget to convert to dBi!</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Example: The gain of a typical direct-to-home 60cm TV receiving antenna at 12 GHz is around 36 dBi.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:i/></w:rPr><w:t>Some future problems in this series will build on work done in previous problems, so if you get a working solution I suggest you hang onto the code!</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

Solve

Solution Stats

25 Solutions
7 Solvers

Last Solution submitted on Sep 17, 2020

Last 200 Solutions

Problem Recent Solvers7

Problem Tags

satelite space telecommunications

Problem 45493. SatCom #2: Gain of a circular 'dish' antenna

Solution Stats

Last 200 Solutions

Problem Recent Solvers7

Suggested Problems

More from this Author5

Problem Tags

Problem 45493. SatCom #2: Gain of a circular 'dish' antenna

Solution Stats

Last 200 Solutions

Problem Recent Solvers7

Suggested Problems

More from this Author5

Problem Tags

Players