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English for Telecommunications and Radio Technologies in Rail Transport.docx
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4. Make two questions to each paragraph of the text and ask you partner to answer them.

5. Make the verbs from the nouns:

Example: communication

communicate

amplifier

direction

equipment

existence

improvement

invention

oscillation

radiation

receiver

requirement

transmitter

6. Complete the sentences with the words from the box below:

oscillations wireless receiver frequency transmitter field properties electromagnetic waves equipment amplify

  1. The essential properties of a radio wave are ­­­­­­­­­­­­­­­__________, intensity, length and direction of travel.

  2. It is not enough only to receive a signal, it is also necessary __________it.

  3. A. S. Popov demonstrated the operation of the first __________ in 1895.

  4. The __________ known as radio waves travel through space from the source at the same speed as light waves.

  5. Radio waves have magnetic and electronic __________.

  6. This __________ has been tested in the laboratory.

  7. Electromagnetic waves travel to the receiver and cause __________.

  8. To receive radio waves a special __________ was invented.

  9. The scientists studied the __________ of electromagnetic waves and these researches provided a stimulus to develop a radio communication.

  10. Lots of famous scientists study the problem of __________ transmission of signal.

7. Match the words with their definitions:

Word

Definition

  1. amplifier

a. a part of electronic equipment used for sending radio, television or telephone signals through the air

  1. to install

b. to prove that something is present using scientific methods

  1. to emit

c. a change that you make to something in order to make it better

  1. message

d. the number of times that something happens during a period of time

  1. attempt

e. to send something out into the air

  1. to detect

f. an effort to do something

  1. transmitter

g. a piece of electronic equipment that makes sounds louder

  1. improvement

h. a part of electronic equipment that takes electronic signals and changes them into pictures and sounds

  1. receiver

i. an information that you send to someone especially when you cannot speak to them directly

  1. frequency

j. to put a piece of equipment somewhere and make it ready for use