ECE :: Communication Systems
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Beam width of an antenna is expressed in
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In broadcast television, the number of lines per frame is chosen to be odd number to
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In a picture tube, the video signal is applied to
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If frames are repeated at 60 Hz and each frame has 525 lines, the time for scanning one horizontal line (for progressive scanning and no interlacing) is about
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Full duplex operation
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In a tape recorder the erase head is
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Consider the following statements as regards advantages of CCD sensors as camera pick up tube
- High sensitivity
- Good spectral response
- Image lag absent
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Some desirable features of a computer communication network are
- It should accept an intended transmission without excessive delay
- The data arriving at a receiving point should be processed rapidly
- When a transmission calls for a response, the delay of response should be minimum.
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