science

Hellmut Schmid

Hellmut Schmid is a science 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 Hellmut Schmid rather than just read about it. In short: Hellmut H. Schmid (12 September 1914 – 27 April 1998) was a Swiss professor of geodesy and photogrammetry.

Key takeaways

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

Reference excerpt

Hellmut H. Schmid (12 September 1914 – 27 April 1998) was a Swiss professor of geodesy and photogrammetry. He taught at ETH Zürich (Switzerland). In the 1950s, he worked on space exploration in the United States. Between 1968 and 1974, he promoted the first intercontinental network of satellite geodesy.

Research Geodetic measurement methods at the V2 project in Peenemünde (~1942) Beginnings of satellite geodesy 1959 Theory of analytical photogrammetry and matrix/IT developments (1950s, USA) High precision evaluation of photogram (ca. 1965-1978) Worldwide Satellite Triangulation Network (1969-1973 (publ. 1974): first regular intercontinental network, 46 stations (3000–5000 km apart), pioneering accuracy (±3m) Contributions to the least-squares adjustment, network optimization, Block triangulation Optimization of coordinate transformations (~1975) Development of 3D intersection methods in analytical photogrammetry

See also PAGEOS, balloon satellites, stellar triangulation Global reference ellipsoid, "Earth polyhedron", geodetic system, WGS84 ETH Zürich, Ohio State University, Friedrich Hopfner

Literature K.Ledersteger: "'Astronomische und Physikalische Geodäsie (Erdmessung)", JEK Vol.V (870 S., espec. §§ 2, 5, 13), J.B.Metzler, Stuttgart 1968 H.H. Schmid: "Das Weltnetz der Satellitentriangulation". Wiss. Mitteilungen ETH Zürich and Journal of Geophysical Research, 1974. Klaus Schnädelbach et al.: Western European Satellite Triangulation Programme (WEST), 2nd Experimental Computation. Mitteilungen Geodät.Inst. Graz 11/1, Graz 1972 Nothnagel, Schlüter, Seeger: Die Geschichte der geodätischen VLBI in Deutschland, Bonn 2000 ZfV 1998: Hellmut H. Schmid † (obituary). Professor Dr. h.c. HellmutH. Schmid (1914- 1998) "Dr. Schmid leaves Aberdeen after 12 year to join staff at GIMRADA": United States. Department of the Army (1960). Army Research and Development. Department of Defense, Department of the Army, Army Materiel Development and Readiness Command, Development and Engineering Directorate. Retrieved 2021-02-05.

Worked examples

Example 1 — a first encounter with Hellmut Schmid

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

In research: Hellmut Schmid appears in science 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 Hellmut Schmid 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: Hellmut Schmid is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1914 births, 1998 deaths, Academic staff of ETH Zurich, so understanding it makes those chapters shorter.
In everyday life: Look for Hellmut Schmid 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 Hellmut Schmid in 20 minutes

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

Frequently asked questions

What is Hellmut Schmid in simple terms?

Hellmut H. Schmid (12 September 1914 – 27 April 1998) was a Swiss professor of geodesy and photogrammetry.

Why does Hellmut Schmid matter?

Because it connects several science 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 Hellmut Schmid?

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 Hellmut Schmid.