engineering

Jinyun Zhang

Jinyun Zhang 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 Jinyun Zhang rather than just read about it. In short: Jinyun Zhang is an electrical engineer whose work has included wireless networks, sensor networks, ultra-wideband networks, multi-hop routing, and network broadcasting. Originally from China, she was a doctoral student in Canada and works in the US, as a vice president and director at Mitsubishi Electric Research Laboratories in Cambridge, Massachusetts.

Key takeaways

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

Reference excerpt

Jinyun Zhang is an electrical engineer whose work has included wireless networks, sensor networks, ultra-wideband networks, multi-hop routing, and network broadcasting. Originally from China, she was a doctoral student in Canada and works in the US, as a vice president and director at Mitsubishi Electric Research Laboratories in Cambridge, Massachusetts.

Education and career Zhang has a bachelor's degree in radio electronics from Tsinghua University in China, and taught as a lecturer at Tsinghua University until 1985. She went to the University of Ottawa in Canada for doctoral study in electrical engineering, and completed her Ph.D. there in 1991. Next, she worked for ten years in Canada at Nortel. She moved from there to the US and to Mitsubishi Electric Research Laboratories in 2001.

Recognition Zhang was named an IEEE Fellow in 2008, as a member of the IEEE Communications Society, "for contributions to broadband wireless transmission and networking technology". She is also a Fellow of the Mitsubishi Electric Research Laboratories.

Personal life Zhang has a daughter, Lan Yang, who also studied electrical engineering at the University of Ottawa, earning a master's degree there in 2005.

References

Worked examples

Example 1 — a first encounter with Jinyun Zhang

Start with the simplest possible case. Write down what Jinyun Zhang 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 Jinyun Zhang 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 Jinyun Zhang 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 Jinyun Zhang

In research: Jinyun Zhang 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 Jinyun Zhang 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: Jinyun Zhang is common in secondary-school and first-year university syllabi. It links to neighbouring topics Academic staff of Tsinghua University, Canadian women engineers, Chinese women engineers, so understanding it makes those chapters shorter.
In everyday life: Look for Jinyun Zhang 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 Jinyun Zhang in 20 minutes

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

Frequently asked questions

What is Jinyun Zhang in simple terms?

Why does Jinyun Zhang 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 Jinyun Zhang?

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 Jinyun Zhang.