Guide on Academic and Scientific Talks. Учебное пособие

2.6. Antennas, Microwave Devices and Technologies

2. Watch the video answer the following questions

1.What main three products were made by Pat Hindu?

2.How can we describe the first product? What is its importance?

3.Where is the second product from?

4.What was the third product used for?

5.Which advantages does the antenna coupler have?

6.How many samples per second did average waveform generator have?

7.What can you say about the new release of the Google pixel?

8.How did the speaker characterise an outlook of Galaxy S10?

9.What is the difference between LTE advanced and LTE advanced pro?

10.Which advantages does the release from Sivir and NXP have?

3. Discuss the following questions

1.How long will it take to go to 5G worldwide?

2.How does the LNA module for massive MIMO help with that?

3.What is dynamic spectrum sharing?

4.How dynamic spectrum sharing can influence the switch to 5G?

5.How holographic beamforming technology can help with signal relaying?

2.6.3.Understanding Microwave Antenna Sidelobes

1.Match the words from column A to their opposites from column B

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2. Practical Aspects of Academic and Scientific Talks

2. Watch the video and answer the following questions

1.What are microwave links?

2.What are they used for?

3.Why don't they operate at peak efficiency?

4.What is the main problem with low-cost non-compliant antennas?

5.Is it better to use a larger antenna?

6.What happens if the interference becomes too frequent and strong?

7.Why is it important to have a certified antenna?

8.Where can we get more information about well-designed newest antennas?

9.How does the quality of the antenna influence the Internet?

10.What new microwave backhaul solutions exist?

3. Discuss the following questions.

1.What is sidelobe interference?

2.Why is sidelobe interference a problem nowadays and why is it getting worse?

3.How can we mitigate the effects of interference?

4.What problems can we meet if multiple antennas are based in the same area?

5.What is the CommScope organization?

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2.6.Antennas, Microwave Devices and Technologies

2.6.4.Revision Exercises

1.Circle the correct word or phrase to complete each sentence

1.Earth has made and evolved corals, fish, plants, dinosaurs, people and even the phones / the Internet.

2.Our job is to dream up and build new starships / observatories

3.ETSI class-4 compliant antennas can decrease / increase data rates and frequency reuse.

4.What could be more glorious than listening to the galaxy / Big Bang itself?

5.Using the latest designs of antenna with lowest / highest sidelobes such as those meeting ETSI’s class 4 standards bring additional benefits.

6.The waves that hit us on September 14 – and yes, every single one of you stretched / increased and reduced / compressed under the action of that wave.

7.We’ve seen the release of the Google pixel 4 and that incorporates the 3G modem / 60 gigahertz.

8.The antenna is among the first components to be removed / installed and the last to be considered when it comes to network issues.

9.The greater the interference from excessive sidelobes, the higher / lower the chances of an outage.

10.So, overall, a very positive outlook, and Qualcomm wanted them to put all this information decentralized / together.

2.They have developed a very rugged cable assembly that can be used in high flexure high-temperature environments.

a. established b. invented

3. So it's always interesting to look at the architecture of the more advanced

4. They evaluated 5G networks at three and a half gigahertz in Korea, London

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2.Practical Aspects of Academic and Scientific Talks

5.There was actually a connection to a cell site a block and a half away that was actually pointing away from the phone.

1.But the difference was it was reflecting off a _____ building.

2.The problem is, all the interesting _____ happens in the core, and the core is hidden behind thousands of kilometers of iron and carbon and silicon.

3.The greater the interference from excessive _______, the higher the chances of an outage.

4.I was just recently at the _______ World Congress, Los Angeles.

5.Visible light has a _______, a size that's much smaller than the things around you, the features on people's faces, the size of your cell phone.

6.But by listening to changes in the amplitude and frequency of those waves, we can hear the story that those ______ are telling.

7.Then even though it was packed, I mean, it was standing _______ only.

8.The _____ is among the first components to be installed and the last to be considered when it comes to network issues.

9.So, that was pretty interesting, and they used holographic beamforming

_______.

10.So on September 14, 2015, a date that's definitely going to live in my

_______, LIGO heard this.

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2.6.Antennas, Microwave Devices and Technologies

4.What words do you think are missing? Write one word in each space

1.They incorporate a _____-power silicon switch with a gas LNA to get the best performance.

2.They have developed a very rugged cable assembly that can be used in high flexure high-temperature _________.

3.With ___________ waves, we should be able to see all the way back to the beginning.

4.In one case, where they did a walk test and they looked at what cell sites the phone was _________ to.

5.And they are making a dielectric resonator based on an antenna system from millimeter _____ applications.

6.So it protects the _________ from, say, a lightning strike to the antenna, likewise the antennas are protected and from any kind of voltage, highvoltage, in the lamp.

7.So it lets us really get a whole other angle on what's out there in the ________

and how the stars came to be, and in the end, of course, how we came to be out of this whole mess.

8.A high quality antenna fully _________ to regulatory standards, can reduce or eliminate these issues.

9.When ________ antennas are in the same area, transmit signals from some can be spelled into the receive path of others.

10.The Big Bang: I would love to be able to explore the first few moments of the Universe, but we'll never see them, because the Big Bang itself is obscured by its own _________.

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Radio Location and Navigation

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Wordlists

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Electronic Warfare

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Wordlists

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