tag:blogger.com,1999:blog-91406109071681476682024-03-08T07:26:40.528-08:00Anna University Important Questions | FAQ Bank | Answer KeysAnna University Important Questions for all Subjects ,all Semester imp questions, Faq auestions and previous year question papers download.Unknownnoreply@blogger.comBlogger8125tag:blogger.com,1999:blog-9140610907168147668.post-24318266515294989092017-05-25T21:08:00.000-07:002017-05-25T21:08:54.795-07:00Anna Univ 2nd Semester Important Questions for all subjects<div dir="ltr" style="text-align: left;" trbidi="on">
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Anna University Important Questions for 2nd Semester / Second Semester will be added within July 16th.<br />
2nd Semester Examinations starts from July 20th 2012.<br />
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Anna Univ Important Questions for Mathematics II</div>
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You can get the <a href="http://mykalvi.com/anna-university-time-table/">Anna Univ 2nd Sem Exam Time Table</a></div>
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Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9140610907168147668.post-10698082254007373662013-03-25T10:04:00.001-07:002013-03-25T10:04:29.960-07:00Anna University Important Questions for May/June 2013 Exams - 2nd Sem, 4th Sem, 6th Sem, 8th Sem Questions<div dir="ltr" style="text-align: left;" trbidi="on">
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Anna University Important Questions</h2>
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Get Anna University Previous Year Questions for 2nd Semester, 4th semester , 6th semester, 8th semester exams coming up May/June 2013 .</div>
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Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9140610907168147668.post-27513895824622055612012-06-13T06:34:00.001-07:002012-06-13T06:39:43.584-07:00HS2161 Technical English Previous Year Question Papers - Imp questions<div><p>ANNA UNIVERSITY QUESTION PAPERS:<br>
HS2161 TECHNICAL ENGLISH II<br>
ANNA UNIVERSITY PREVIOUS YEAR<br>
QUESTION PAPERS</p>
<p>Anna University previous year question paper for english II<br>
Download : www.mediafire.com/?33gz1y8st79fwpe<br>
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Students can get their important questions,previour year questions,for 2nd Semester examinations.</p>
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HS2161 TECHNICAL ENGLISH II     - |<br>
SUB. NOTES | QUES. BANK| QUES.<br>
PAPER|<br>
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MA2161 MATHEMATICS – II |<br>
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PH2161 ENGINEERING PHYSICS – II<br>
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CY2161 ENGINEERING CHEMISTRY –<br>
II | SUB. NOTES | QUES. BANK|<br>
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ME2151 ENGINEERING MECHANICS<br>
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EE2151 CIRCUIT THEORY |<br>
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EC2151 ELECTRIC CIRCUITS ED         |<br>
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</div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9140610907168147668.post-80170476574567872192012-05-29T10:04:00.014-07:002012-06-02T08:24:55.493-07:00Mobile Ad Hoc Networks Important Questions for ECE 2012 - MANET<div dir="ltr" style="text-align: left;" trbidi="on"><h2 style="text-align: left;">Mobile Ad Hoc Networks Important Questions</h2><div>Download Important Questions for MANET ( Mobile adhoc networks ) of ECE . The questions for Unit 1 to Unit 5 has been given , you can make use of it.<br />
<br />
<b style="background-color: white; font-family: Verdana, sans-serif; font-size: 13px; line-height: 20px;"><span style="font-family: Arial; font-size: x-small;"></span></b><br />
<div align="left"><b style="background-color: white; font-family: Verdana, sans-serif; font-size: 13px; line-height: 20px;">UNIT I INTRODUCTION</b></div><div align="left"><b style="background-color: white; font-family: Verdana, sans-serif; font-size: 13px; line-height: 20px;"><span style="font-family: Arial; font-size: x-small;">Charectristics of Wireless channel, <br />
Adhoc Mobility Models,<br />
Indoor and out door</span></b></div><div align="left"><b style="background-color: white; font-family: Verdana, sans-serif; font-size: 13px; line-height: 20px;"><span style="font-family: Arial; font-size: x-small;">models.<br />
</span></b></div><b style="background-color: white; font-family: Verdana, sans-serif; font-size: 13px; line-height: 20px;"><b><span style="font-family: Arial; font-size: x-small;"><div align="left">UNIT II MEDIUM ACCESS PROTOCOLS 9</div></span><span style="font-family: Arial; font-size: x-small;"><div align="left">MAC Protocols: design issues, goals and classification. Contention based protocols- with</div><div align="left">reservation, scheduling algorithms, protocols using directional antennas. IEEE</div><div align="left">standards: 802.11a, 802.11b, 802.11g, 802.15. HIPERLAN.</div></span><b><span style="font-family: Arial; font-size: x-small;"><div align="left"><br />
UNIT III NETWORK PROTOCOLS 9</div></span><span style="font-family: Arial; font-size: x-small;"><div align="left">Routing Protocols: Design issues, goals and classification. Proactive Vs reactive routing,</div><div align="left">Unicast routing algorithms, Multicast routing algorithms, hybrid routing algorithm, Energy</div><div align="left">aware routing algorithm, Hierarchical Routing, QoS aware routing.</div></span><b><span style="font-family: Arial; font-size: x-small;"><div align="left"><br />
UNIT IV END-END DELIVERY AND SECURITY 9</div></span><span style="font-family: Arial; font-size: x-small;"><div align="left">Transport layer : Issues in desiging- Transport layer classification, adhoc transport</div><div align="left">protocols. <br />
<br />
You can read second half ,we can expect a question from "Security issues in adhoc networks: issues and challenges, network security</div><div align="left">attacks, secure routing protocols.</div></span><b><span style="font-family: Arial; font-size: x-small;"><div align="left"><br />
UNIT V CROSS LAYER DESIGN AND INTEGRATION OF ADHOC FOR 4G</div><div align="left">9</div></span><span style="font-family: Arial; font-size: x-small;"></span></b></b><div align="left">Intergration of adhoc with</div><div align="left">Mobile IP networks.</div></b></b></b><br />
<div align="left"><b style="background-color: white; font-family: Verdana, sans-serif; font-size: 13px; line-height: 20px;">Cross layer Design, <br />
cross layer optimization,<br />
<b style="font-family: Verdana, sans-serif; font-size: 13px;"><b><b><b><b><span style="font-family: Arial; font-size: x-small;"></span></b></b></b></b></b></b><br />
<div align="left" style="display: inline !important;"><b style="background-color: white; font-family: Verdana, sans-serif; font-size: 13px; line-height: 20px;"><b style="font-family: Verdana, sans-serif; font-size: 13px;"><b><b><b><span style="font-family: Arial; font-size: x-small;">Cross layer cautionary prespective. </span></b></b></b></b></b></div></div></div></div>Unknownnoreply@blogger.com1tag:blogger.com,1999:blog-9140610907168147668.post-79557871600718785512012-05-29T06:10:00.000-07:002012-05-29T06:10:05.160-07:00EC2045 Satellite Communications Important Questions for ECE Anna University, 8th Semester<div dir="ltr" style="text-align: left;" trbidi="on"><br />
<h2 style="text-align: left;">Important Questions for Satellite Communications</h2><b>Satellite Communications question Bank | Previously asked questions for satellite communications | questions banks for ece . satellite communications questions for ece</b><br />
EC2045-SATELLITE COMMUNICATION<br />
UNIT – I SATELLITE ORBITS<br />
PART - A<br />
1. Define Satellite Communication.<br />
2. What is Satellite?<br />
3. State Kepler’s first law.<br />
4. State Kepler’s second law.<br />
5. State Kepler’s third law.<br />
6. Define apogee and perigee.<br />
7. What is line of apsides?<br />
8. Define ascending node and descending node.<br />
9. Define Inclination.<br />
10. Define mean anomaly and true anomaly.<br />
11. Mention the apogee and perigee height.<br />
12. What is meant by azimuth angle and look angles?<br />
13. Give the 3 different types of applications with respect to satellite systems.<br />
14. Mention the 3 regions to allocate the frequency for satellite services.<br />
15. Give the types of satellite services.<br />
16. What is mean by DOMSAT, INTELSAT, SARSAT?<br />
17. Define polar-orbiting satellites.<br />
18. Give the advantage of geostationary orbit.<br />
19. Write short notes on station keeping.<br />
20. What are the geostationary satellites?<br />
21. What is sun transit outage?<br />
PART-B<br />
1. (a) Explain about frequency allocations for satellite services. (10)<br />
(b) Explain about U.S Domsats. (6)<br />
2. Discuss briefly the development of INTELSAT starting from the 1960s through the<br />
present. (16)<br />
3. What is meant by polar orbiting? Explain in detail. (16)<br />
4. State Kepler’s three laws of planetary motion. Illustrate in each case their relevance to artificial satellites orbiting the earth. (16)<br />
5. Explain in detail the geocentric-equatorial coordinate system which is based on the<br />
earth’s equatorial plane. (16)<br />
6. Explain in detail about topocentric-horizon coordinate system which is based on the<br />
observer’s horizon plane. (16)<br />
7. Explain in detail about various measure of time. (16)<br />
UNIT – II SPACE SEGMENT AND LINK DESIGN<br />
PART-A<br />
1. Give the two segments of basic satellite communication.<br />
2. Write short notes on attitude control system.<br />
3. What is declination?<br />
4. What is meant by payload?<br />
5. What is meant by transponder?<br />
6. Write short notes on station keeping.<br />
7. What is meant by Pitch angle?<br />
8. What is an propellant?<br />
9. What is an Yaw and zero ‘g’?<br />
10. Describe the spin stabilized satellites.<br />
11. What is meant by frequency reuse?<br />
12. What is meant by spot beam antenna?<br />
13. What is meant by momentum wheel stabilization?<br />
14. What is polarization interleaving?<br />
15. Define S/N ratio.<br />
16. What is noise weighting?<br />
17. What is noise power spectral density?<br />
18. What is an inter modulation noise?<br />
19. What is an antenna loss?<br />
20. Define sky noise.<br />
21. Define noise factor.<br />
22. What is TWTA?<br />
23. What is an OMT?<br />
PART-B<br />
1. Explain in detail about antenna look angles and the polar mount antenna. (16)<br />
2. Explain about Earth eclipse of satellite and sun transit outage. (16)<br />
3. Explain about launching orbits. (16)<br />
4. Explain what is meant by satellite attitude and briefly describe two forms of attitude<br />
Control . (16)<br />
5. Draw the block diagram of TT&C and explain its blocks. (16)<br />
6. Describe briefly the most common type of high-power amplifying device used aboard a communication satellite. (16)<br />
7. Explain about wideband receiver and advanced Tiros-N spacecraft. (16)<br />
8. Describe briefly the antenna subsystem and Anik-E. (16)<br />
9. Explain in detail about thermal control and Morelos. (16)<br />
UNIT – III SATELLITE ACCESS<br />
PART-A<br />
1. What is a single mode of operation?<br />
2. What are the methods of multiple access techniques?<br />
3. What is an CDMA?<br />
4. What is SCPC?<br />
5. What is a thin route service?<br />
6. What is an important feature of Intelsat SCPC system?<br />
7. What is an TDMA? What are the advantages?<br />
8. What is preamble?<br />
9. Define guard time.<br />
10. What is meant by decoding quenching?<br />
11. What is meant by direct closed loop feedback?<br />
12. What is meant by feedback closed loop control?<br />
13. Define frame efficiency.<br />
14. What is meant by digital speech interpolation?<br />
15. What is meant by telephone load activity factor?<br />
16. What are the types of digital speech interpolation?<br />
17. What is meant by freeze out?<br />
18. What is DSI?<br />
19. What are the advantages of SPEC method over DSI method?<br />
20. Define satellite switched TDMA?<br />
21. What is SS / TDMA?<br />
22. What is processing gain?<br />
23. What is burst code word?<br />
24. What is meant by burst position acquisition?<br />
25. What is an single access?<br />
26. What is an multiple access technique?<br />
27. What is meant by frequency reuse?<br />
28. What is meant by space division multiple access?<br />
29. What is an error detecting code?<br />
30. What are the limitations of FDMA-satellite access?<br />
31. Write about pre-assigned TDMA satellite access.<br />
32. Write about demand assigned TDMA satellite access.<br />
PART-B<br />
1. Explain with an example the type of traffic route where single access is used. (16)<br />
2. Explain in detail about FDMA and show how this differs from FDM. (16)<br />
3. Explain in detail the operation of a preassigned SCPC network. (16)<br />
4. Explain in detail the operation of the spade system of demand assignment. What is the function of the common signaling channel? (16)<br />
5. Describe the general operating principles of a TDMA network. Show how the<br />
transmission bit rate is related to the input bit rate. (16)<br />
6. Explain the need for reference burst and preamble and postamble in a TDMA<br />
System . (16)<br />
7. Explain in detail about network synchronization with neat sketch. (16)<br />
8. Define and explain the terms carrier recovery, bit-time recovery, traffic data, frame efficiency and channel capacity. (16)<br />
9. Explain in detail about speech interpolation and prediction. (16)<br />
10. Explain in detail about satellite switched TDMA. (16)<br />
11. Describe briefly about on board signal processing for FDMA/TDM operation. (16)<br />
12. Describe in your own words how signal acquisition and tracking are achieved in a<br />
DS/SS system . And also derive the expression for maximal sequence. (16)<br />
13. Explain the principle behind spectrum spreading and dispreading and how this is<br />
used to minimize interference in a CDMA system. Also determine the throughput<br />
efficiency of the system. (16)<br />
UNIT – IV EARTH SEGMENT<br />
PART-A<br />
1. Define earth segment.<br />
2. Give the difference between KU-band and the C-band receive only systems.<br />
3. What is mean by ODU and IDU.<br />
4. Explain about MATV system.<br />
<br />
<br />
<br />
5. Write about CATV system.<br />
6. Define S/N ratio.<br />
7. What is noise weighting?<br />
8. What is an EIRP?<br />
9. What is noise power spectral density?<br />
10. What is an inter modulation noise?<br />
11. What is an antenna loss?<br />
12. Define noise factor.<br />
13. A satellite downlink at 12 GHz operates with a transmit power of 6 W and an antenna gain of 48.2 dB. Calculate the EIRP in dBW.<br />
14. The range between a ground station and a satellite is 42000 km. Calculate the free<br />
space loss a frequency of 6 GHz.<br />
15. An antenna has a noise temperature of 35 K and it is matched into a receiver which has a noise temperature of 100 K. Calculate the noise power density and the noise power for a BW of 36 MHz.<br />
16. Define Saturation flux density.<br />
17. Write the equations of losses for clear sky conditions.<br />
18. What are the types of antenna losses?<br />
19. Define sky noise.<br />
20. What is an Apsorptive n/w?<br />
PART-B<br />
1. With the aid of a block schematic, briefly describe the functioning of the receive<br />
only home TV systems. (16)<br />
2. Describe and compare the MATV and CATV systems. (16)<br />
3. With the relevant expression explain in detail about transmission losses. (16)<br />
4. Explain the classifications of system noise temperature. (16)<br />
5. Explain uplink satellite circuit. (16)<br />
6. Explain downlink satellite circuit. (16)<br />
7. Describe briefly about the rains effects. (16)<br />
8. Explain about inter-satellite link. (16)<br />
UNIT – V SATELLITE APPLICATIONS<br />
PART-A<br />
1. Give the 3 different types of applications with respect to satellite systems.<br />
2. Mention the 3 regions to allocate the frequency for satellite services.<br />
3. Give the types of satellite services.<br />
4. What is mean by DOMSAT, INTELSAT, SARSAT?<br />
5. What are the applications of Radarsat?<br />
6. What is ECEF?<br />
7. What is dilution of precision?<br />
8. What is PDOP?<br />
8. What is DBS?<br />
9. Give the frequency range of US DBS systems with high power satellites.<br />
10. Give the frequency range of US DBS systems with medium power satellites.<br />
11. What is DTH?<br />
12. Write about bit rates for digital television.<br />
13. Give the satellite mobile services.<br />
14. What is GCC and GEC?<br />
15. What is INMARSAT?<br />
16. List out the regions covered by INMARSAT.<br />
17. What is INSAT?<br />
18. List out the INSAT series.<br />
19. What is GSM?<br />
20. What is GPRS?<br />
21. Define DAB.<br />
22. What is DVB?<br />
23. What is GRAMSAT?<br />
PART-B<br />
1. Describe briefly the video compression process used in MPEG-2. (16)<br />
2. Explain about indoor and outdoor unit of home receiver. (16)<br />
3. Explain about frequencies and polarization, transponder capacity and bit rates for<br />
digital television. (16)<br />
4. Explain in detail about satellite mobile services. (16)<br />
5. Describe the operation of typical VSAT system. State briefly where VSAT systems and find widest applications. (16)<br />
6. Describe the main features of Radarsat. Explain what is meant by dawn to dusk orbit and why the Radarsat follows such on orbit. (16)<br />
7. Explain why a minimum of four satellites are visible at an earth location utilizing the<br />
GPS system for position determination. What does the term dilution of precision refer to?<br />
8. Describe the main features and services offered by the orbcomm satellite system.<br />
How do these services offered by geostationary satellites and terrestrial cellular systems?</div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9140610907168147668.post-14098470410941534732012-05-12T01:16:00.000-07:002012-05-12T01:16:24.087-07:00Anna Univ Important Questions for ECE - Electronics and Communications Engineering<div dir="ltr" style="text-align: left;" trbidi="on"><h2 style="text-align: left;">Important Questions for ECE</h2><div>Get Important questions for Electronics and Communications Engineering ( ECE ) of Anna University .<br />
Students of different Semesters will get universityh previous year questions papers as well as important questions for current semester exams.<br />
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<b>Important questions for 1st Semester</b></div><div><b>Important questions for 2nd Semester</b></div><div><b>Important questions for 3rd Semester </b></div><div><b>Important questions for 4th Semester </b></div><div><b>Important questions for 5th Semester </b></div><div><b>Important questions for 6th Semester </b></div><div><b>Important questions for 7th Semester </b></div><div><b>Important questions for 8thSemester</b> </div><div><b><br />
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</div><div>Anna University Important Questions for all branches</div><div>Anna University Important Questions for all Subjects</div><div>Anna University Important Questions for all semesters</div><div>Anna University Important Questions for all exams</div><div>Anna University Arrear exams</div></div>Unknownnoreply@blogger.com0