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Lee Yuk-wing

Lee Yuk-wing is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Lee Yuk-wing rather than just read about it. In short: Lee Yuk Wing (Chinese: 李郁榮; April 14, 1904 – November 8, 1989) was Professor Emeritus of electrical engineering at the Massachusetts Institute of Technology. He is best known for adapting and popularizing Norbert Wiener's theory of cybernetics and for his own statistical theory of communication.

Key takeaways

  • Lee Yuk-wing belongs to engineering; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Lee Yuk-wing to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Lee Yuk-wing from memory before moving on to harder problems.

Reference excerpt

Lee Yuk Wing (Chinese: 李郁榮; April 14, 1904 – November 8, 1989) was Professor Emeritus of electrical engineering at the Massachusetts Institute of Technology. He is best known for adapting and popularizing Norbert Wiener's theory of cybernetics and for his own statistical theory of communication.

Biography Lee was born in Macau, then part of the Portuguese Empire, and called "Yuwing" or "YW" by his friends. He was a longtime collaborator of Wiener. Everett M. Rogers, Distinguished Professor Emeritus of Communication and Journalism at the University of New Mexico, noted in his highly acclaimed book on the history of communication research that "out of his collaboration with a former doctoral student from China, Y. W. Lee, Wiener in 1934 became interested in the concept of feedback, the building block in the cybernetic theory that was to make him world famous." After receiving a B.S. in 1927, an M.S. in 1928, and a Sc.D. in 1930 at MIT , Lee returned to China and taught at Tsinghua University. He invited Wiener there in 1935–1937. In 1946, he came back to MIT as Visiting Professor and undertook his research on statistical communication theory. He stayed at MIT as Professor in the Department of Electrical Engineering until his retirement in 1969. He was an excellent teacher and an experienced mentor. John Costas, Harry L. Van Trees, Irwin Jacobs and Amar Bose were among his students at MIT. He then moved to Belmont, California and died from leukemia in San Mateo, California. Charles W. Therrien, Professor of Electrical and Computer Engineering at the Naval Postgraduate School, who considered Lee as one of the unsung heroes of his era, stated: "Lee’s own contributions, although significant, are not well known. However, his contributions to teaching and bringing the ideas of Wiener into electrical engineering are without precedent." Lee was the first scientist who "used the term network synthesis filters in modern sense" in 1930 and "used the term synthesis to describe the process of assembling an array of elements to meet a specific set of performance requirements in network synthesis by means of Fourier transforms of Laguerre functions" in 1932.

Publications Lee, Y. W. (1930). Synthesis of electrical networks by means of the Fourier transforms of Laguerre's functions (Unpublished doctoral dissertation). Massachusetts Institute of Technology, Cambridge, MA. Lee, Y. W. (1932). Synthesis of electric networks by means of the Fourier transforms of Laguerre's functions. Journal of Mathematics and Physics, 11(1–4), 83–113. https://doi.org/10.1002/sapm193211183 Lee, Y. W. (1950). Application of statistical methods to communication problems (Technical Report No. 181). Cambridge, MA: Research Laboratory of Electronics, Massachusetts Institute of Technology. Lee, Y. W. (1960). Statistical theory of communication. New York: Wiley. Lee, Y. W. (1964). Contributions of Norbert Wiener to linear theory and nonlinear theory in engineering. In Y. M. Lee, Norman Levinson, & W. T. Martin (Eds.), Selected Papers of Norbert Wiener (pp. 17–34). Cambridge, MA: MIT Press. Lee, Y. W., & Jaynes, E. T. (1961). Statistical theory of communication. American Journal of Physics, 29(4), 276–278. https://doi.org/10.1119/1.1937745

See also Communication sciences Communication studies Communication theory Cybernetics Norbert Wiener

References

Further reading Therrien, C. W. (2002). The Lee-Wiener legacy: A history of the statistical theory of communication. IEEE Signal Processing Magazine, 19(6), 33–44. https://adgnaw.github.io/files/The_Lee-Wiener_legacy.pdf

External links Lee Yuk-wing at the Mathematics Genealogy Project

Worked examples

Example 1 — a first encounter with Lee Yuk-wing

Start with the simplest possible case. Write down what Lee Yuk-wing claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Lee Yuk-wing before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Lee Yuk-wing ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Lee Yuk-wing

In research
Lee Yuk-wing appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Lee Yuk-wing in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Lee Yuk-wing is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1904 births, 1989 deaths, 20th-century American engineers, so understanding it makes those chapters shorter.
In everyday life
Look for Lee Yuk-wing outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Lee Yuk-wing in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Lee Yuk-wing means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Lee Yuk-wing out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Lee Yuk-wing in simple terms?

Lee Yuk Wing (Chinese: 李郁榮; April 14, 1904 – November 8, 1989) was Professor Emeritus of electrical engineering at the Massachusetts Institute of Technology. He is best known for adapting and popularizing Norbert Wiener's theory of cybernetics and for his own statistical theory of communication.

Why does Lee Yuk-wing matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Lee Yuk-wing?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Lee Yuk-wing.

Tags

  • 1904 births
  • 1989 deaths
  • 20th-century American engineers
  • Academic staff of Tsinghua University
  • American electrical engineers
  • American people of Macanese descent
  • Communication theorists
  • Deaths from leukemia in California
  • Electrical engineering academics
  • MIT School of Engineering alumni
  • MIT School of Engineering faculty
  • Macau scientists

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