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Research Guide

Research Guide. Shyh-Kang Jeng Department of Electrical Engineering/ Graduate Institute of Communication Engineering/ Graduate Institute of Networking and Multimedia. Outline. Finding Research Topics Planning Research Project Conducting Research Project

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Research Guide

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  1. Research Guide Shyh-Kang Jeng Department of Electrical Engineering/ Graduate Institute of Communication Engineering/ Graduate Institute of Networking and Multimedia

  2. Outline • Finding Research Topics • Planning Research Project • Conducting Research Project • Presenting and Publishing Research Results • Summary

  3. Outline • Finding Research Topics • Planning Research Project • Conducting Research Project • Presenting and Publishing Research Results • Summary

  4. Self Assessment • Know yourself • Interests, talent, skills, accomplishments, weakness • Needs and trends in society • Career planning • Begin with the end in mind • 20-5-1 planning • A plan not realized is better than no planning

  5. Good Books • 柯維(Stephen R. Covey)著，顧淑馨譯，《與成功有約》(The Seven Habits of Highly Effective People)，天下遠見 • 西恩．柯維(Sean Covey)著，汪芸譯，《與青春有約》(The Seven Habits of Highly Effective Teens)，天下遠見

  6. Brainstorming • Write down as many as ideas (no matter how crazy they are) you may be interested in without criticizing yourself • Try to eliminate ideas not fit to your career planning, your self assessment, and social needs • For the ideas left, collect more information to keep elimination until only about 5 areas are left

  7. Setting Research Goal • Collect more information and study to try to narrow down the ideas such that you can create something new • Assess/scale your new ideas by the resources you have • Arrange priority of these ideas • Form your research goal

  8. Collecting Information • Books, Magazines, Journals, TV, Web sites, Teachers, Friends, Parents, Meetings, Talks • Theory of Concentric Circles • From new to old, near to far • Achievements of the Lab • Books and theses in NTU library • Theses in National Central Library • Google Scholar • Web sites of other research institutes

  9. Reference Management Software: EndNote

  10. Good Books about EndNote • 童國倫, 潘奕萍, 張鼎祥, 《 EndNote & RefWorks 論文與文獻寫作管理》, 五南 • 童國倫, 潘奕萍, 張鼎祥, 《研究你來做論文寫作交給EndNote Word 》, 五南

  11. An Example of Research Inspired by Reading Literatures • Inspired by an article in Scientific American • A pioneering work in UWB antennas • Cited 60 times up to 2009/7 (Google Scholar) • Highly cited paper (1%) 2008

  12. Thinking and Learning are Equally Important • 學而不思則罔，思而不學則殆 • Just learning without thinking leads to confusion. Just thinking without learning leads to danger. • 荀子，勸學篇, Xun Zi (ca. 312–230 BC) • It is important to form your new idea while reading the collected literatures

  13. Strategy in Reading Literatures • Textbook reading vs. goal-oriented reading • Browse the literature for the first time • Classification of literatures • Closely related (read and study it) • Roughly related (read roughly) • Possibly unrelated (just know it) • Unrelated (skip)

  14. Can’t Understand the Literature • Theory of ladders • Key concept and key words that you don’t understand • textbooks, References, wikipedia, Amazon • Difficulty • Paper > monogram > book

  15. Entering an Unfamiliar Field • Split your time for doing research project and building up background knowledge at the same time • Build up background knowledge • Collect information • Keep research goal in mind • Try to find a good and suitable textbook or take a course • Know what is to be studied thoroughly, and what is to be simply browsed

  16. Creating Something New • Academic research emphasizes innovation (contribution) • Persuade yourself and others why the idea is new and useful to other researchers • Scale the goal to be achievable to get your degree • Avoid “me too” researches

  17. An Example of Research Topic Setting • A pioneering work in channel modeling and base station planning • 1998 Outstanding Research Award of National Science Council • Cited 49 times up to 2009/7 (Google Scholar)

  18. Background • Channel modeling/base station planning is important for cell phone systems which becomes popular in late 1990 • Two approaches • Measurement and statistical model • Site-specific model • Outdoor and indoor

  19. Previous Approach : Ray-Tracing / Reception Sphere

  20. New Idea: SBR-Image d

  21. Research Goal

  22. Outline • Finding Research Topics • Planning Research Project • Conducting Research Project • Presenting and Publishing Research Results • Summary

  23. (Invalid) Waterfall Model Collect and read literatures Build up theories Implement Write thesis

  24. Iterative Model Collect and read literatures Present Results Build up theories Implement

  25. Basic Principles of Doing Works • 80/20 principle • Pareto principle • For many events roughly 80% of the effects come from 20% of the causes • 80% of progress come from 20% of project items • Put first things first • Things I should do vs. things I like to do

  26. Planning Research • Core/key part vs. nice to have • Setting priority • Simplify the problem • Legend of late Professor Y. T. Lo • Starting from a simplified scenario • Learning by doing • Check special cases against results from independent approaches

  27. Fast Prototyping and Evolution v 0.1 v 0.3 v 0.2 v 0.2 v 0.1 v 0.1

  28. Research Goal

  29. Core Idea: SBR-Image d

  30. Version 0.1: Generating Ray Tubes

  31. Version 0.2: Reflection from a PEC Ground Plane

  32. Version 0.3: Multiple Reflection between PEC Planes

  33. Version 0.4: Multiple Reflection between Coated PEC Planes

  34. Version 0.5: Reflection from a Dielectric Slab

  35. Version 0.6: Diffraction

  36. Version 0.7: Room with Single Closet

  37. Version 1.0: Room with Multiple Closets

  38. Outline • Finding Research Topics • PlanningResearchProject • Conducting Research Project • Presenting and Publishing Research Results • Summary

  39. Quadrant II Time Management Important II I Not Urgent Urgent III IV Not Important

  40. Batch vs. Time-Sharing • Batch system • If A is not finished, I can not start B • Prepare your exam in just one night • Time-sharing • Do multiple tasks at the same time • Bookkeeping system • A research project can not be finished in a very short period • 10~40 hours/week is reasonable

  41. Batch vs. Time-Sharing

  42. Recording Your Research • Use research notes to write down everything about your topic • Prepare Power Point slides for important literatures or stable results • Report your progress periodically • Power point file (group meeting) • Brief summary (every semester) • Final results • Thesis, PPT file for oral exam

  43. Example of Research Notes

  44. Example of Research Notes

  45. Verification, Comparison, Explanation • Verification • Power of evidence • Reliability of your contribution • Comparison • Value of your contribution • Knowledge comes from comparison and explanation

  46. Verification, Comparison, Explanation • Check special cases against results from independent approaches • Compare accuracies, efficiencies, or other measurable performances • Explain the differences • For the innovated parts • Check if the results are expected and explain the differences • Parametric study, trend analysis

  47. Version 0.4: Multiple Reflection between Coated PEC Planes

  48. Version 0.7: Room with Closet

  49. Room with Closet

  50. Version 1.0: Room with Multiple Closets

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