Introduction to Digital Communication

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Across
  1. 5. Costas loop is a method for
  2. 7. The efficiency of Huffman code is linearly proportional to
  3. 8. In encoding, we use three levels: positive, zero and negative.
  4. 9. The key circuit used in DPSK modulator is
Down
  1. 1. Which of the techniques provides security in digital communication?
  2. 2. the order of …………matrix is (n- k)x n
  3. 3. When logarithm is with base e in the calculation of information, unit of information will be
  4. 4. When logarithm is with base 2 in the calculation of information, unit of information will be
  5. 6. When logarithm is with base 10 in the calculation of information, unit of information will be
  6. 10. Which of the following gives maximum probability of error?