science

Parabolic torus reflector antenna

Parabolic torus reflector antenna 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 Parabolic torus reflector antenna rather than just read about it. In short: A parabolic torus reflector antenna is a quasi-parabolic antenna, where the defining parabola is not rotated around the main transmission axis, but around an axis which stands perpendicular to this axis. Simulsat is a trademark for such antennas designed and manufactured by Antenna Technology Communications.

Key takeaways

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

Reference excerpt

A parabolic torus reflector antenna is a quasi-parabolic antenna, where the defining parabola is not rotated around the main transmission axis, but around an axis which stands perpendicular to this axis. Simulsat is a trademark for such antennas designed and manufactured by Antenna Technology Communications. Whereas parabolic satellite dishes with one low-noise block converter (LNB) are able to receive a satellite television broadcast from one communications satellite at a time, parabolic torus reflector antennas are capable of establishing views to more than 40 C and Ku band satellites simultaneously, by employing multiple LNBs.

Literature Alan G. P. Boswell: The parabolic torus reflector antenna. In: Marconi Review, 41, 1978, pp. 237–248. Biao Du, Edward K. N. Yung, Ke-Zhong Yang, Shun-Shi Zhong: Design of multibeam parabolic torus reflector antennas. In: Microwave and Optical Technology Letters, 27, 5, 2000, pp. 343–347. Kenneth S. Kelleher: A new wide-angle microwave reflector. In: Tele-Tech & Electronic Industries, 12, 6, 1953, pp. 98–99, 168–169.

External links Simulsat.com (Archived) Antenna Technology Communications, Inc.

Illustrations

Worked examples

Example 1 — a first encounter with Parabolic torus reflector antenna

Start with the simplest possible case. Write down what Parabolic torus reflector antenna 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 Parabolic torus reflector antenna 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 Parabolic torus reflector antenna 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 Parabolic torus reflector antenna

In research: Parabolic torus reflector antenna 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 Parabolic torus reflector antenna 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: Parabolic torus reflector antenna is common in secondary-school and first-year university syllabi. It links to neighbouring topics Antennas (radio), Consumer electronics, Radio frequency antenna types, so understanding it makes those chapters shorter.
In everyday life: Look for Parabolic torus reflector antenna 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 Parabolic torus reflector antenna in 20 minutes

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

Frequently asked questions

What is Parabolic torus reflector antenna in simple terms?

Why does Parabolic torus reflector antenna 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 Parabolic torus reflector antenna?

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 Parabolic torus reflector antenna.