astronomy

Li Huatian

Li Huatian is a astronomy 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 Li Huatian rather than just read about it. In short: Professor Li Huatian (1922–2007) was one of the first few computer scientists in China and was well known for his early contributions to the areas of computer science and computer networks. Life and work He was born on January 29, 1922 in Songjiang, Jiangsu (now Songjiang, Shanghai).

Key takeaways

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

Reference excerpt

Professor Li Huatian (1922–2007) was one of the first few computer scientists in China and was well known for his early contributions to the areas of computer science and computer networks.

Life and work He was born on January 29, 1922 in Songjiang, Jiangsu (now Songjiang, Shanghai). He graduated from the National Southwestern Associated University with a degree in electrical engineering in 1943 and from Harvard University with a master's degree in 1948. He returned to China in 1949 to start his research and teaching career as a university professor. He taught at Dalian University of Technology and Northeastern University. He served as the department chair of the departments of Automation and Computer Science and the university vice president at Northeastern University. He also served as a vice president for IFAC, the International Federation of Automatic Control. He resigned administration positions in 1984 to return to full-time research and teaching. Meanwhile, he founded the first PhD program in computer science in China. Till his final retirement in 1995, he had published numerous journal papers in areas of automatic control, computer theory, computer networks, and multimedia systems and brought up a lot of younger computer scientists in China. He also co-founded the Neusoft Group in early 1990s with his PhD student Liu Jiren. Professor Li died on January 24, 2007 in Shenzhen, China.

References

Worked examples

Example 1 — a first encounter with Li Huatian

Start with the simplest possible case. Write down what Li Huatian claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 Li Huatian 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 Li Huatian 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 Li Huatian

In research: Li Huatian appears in astronomy 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 Li Huatian 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: Li Huatian is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1922 births, 2007 deaths, Academic staff of Dalian University of Technology, so understanding it makes those chapters shorter.
In everyday life: Look for Li Huatian 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 Li Huatian in 20 minutes

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

Frequently asked questions

What is Li Huatian in simple terms?

Professor Li Huatian (1922–2007) was one of the first few computer scientists in China and was well known for his early contributions to the areas of computer science and computer networks. Life and work He was born on January 29, 1922 in Songjiang, Jiangsu (now Songjiang, Shanghai).

Why does Li Huatian matter?

Because it connects several astronomy 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 Li Huatian?

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 Li Huatian.