astronomy

Li Jun (geoscientist)

Li Jun (geoscientist) 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 Jun (geoscientist) rather than just read about it. In short: Li Jun (born 1982) is a Chinese geoscientist specializing in hyperspectral imaging for applications in remote sensing. She is a professor in the School of Computer Science of the China University of Geosciences in Wuhan, and the editor-in-chief of the IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (J-STARS).

Key takeaways

Li Jun (geoscientist) 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 Jun (geoscientist) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Li Jun (geoscientist) from memory before moving on to harder problems.

Reference excerpt

Li Jun (born 1982) is a Chinese geoscientist specializing in hyperspectral imaging for applications in remote sensing. She is a professor in the School of Computer Science of the China University of Geosciences in Wuhan, and the editor-in-chief of the IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (J-STARS).

Education and career Li is originally from Hunan, where she was born in 1982. She studied geographic information systems as an undergraduate at Hunan Normal University, graduating in 1984, and then shifted to remote sensing for a master's degree at Peking University in 2007. She completed a Ph.D. in electrical and computer engineering through the Instituto Superior Técnico of the University of Lisbon in Portugal, in 2011. Her dissertation, Discriminative Hyperspectral Image Segmentation, was supervised by José Bioucas-Dias. After postdoctoral research at the University of Extremadura in Spain from 2011 to 2013, she became a professor at Sun Yat-sen University from 2014 to 2018. She later moved to the College of Electrical and Information Engineering at Hunan University, and then to her present position in the School of Computer Science of the China University of Geosciences. She was named as editor-in-chief of J-STARS in 2020.

Recognition Li was elected as an IEEE Fellow in 2021, "for contributions in hyperspectral image processing".

References

External links English-language home page at the University of Aveiro Chinese-language home page at the China University of Geosciences Li Jun publications indexed by Google Scholar

Worked examples

Example 1 — a first encounter with Li Jun (geoscientist)

Start with the simplest possible case. Write down what Li Jun (geoscientist) 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 Jun (geoscientist) 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 Jun (geoscientist) 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 Jun (geoscientist)

In research: Li Jun (geoscientist) 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 Jun (geoscientist) 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 Jun (geoscientist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1982 births, Academic staff of Sun Yat-sen University, Chinese earth scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Li Jun (geoscientist) 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 Jun (geoscientist) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Li Jun (geoscientist) 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 Jun (geoscientist) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Li Jun (geoscientist) in simple terms?

Why does Li Jun (geoscientist) 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 Jun (geoscientist)?

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 Jun (geoscientist).