DCOM crossword

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Across
  1. 3. This distance represents the number of bits in which two codewords differ.
  2. 7. The nonzero output of product of received codeword with H-transpose matrix
  3. 8. Number of unique symbols transmitted using 8-ary PSK (in words)
  4. 9. Difference between highest and lowest frequency in spectrum of signal.
  5. 13. This is the unit of information when base of logarithm is exponential (b=e).
  6. 15. This is another name for average information content per message.
  7. 17. The non-integer number with unit 'bits' might represent the *********** in digital communication theory.
  8. 19. This distance is the name for energy separation between two adjacent symbols.
  9. 20. The theorem which states that the sampling distribution of the sample means approaches a normal distribution as the sample size gets larger
  10. 22. infinite amplitude values of sampled signal are mapped onto a finite set of known values with this step in PCM encoding.
  11. 23. This is monotonically increasing function.
  12. 24. type of source in which occurrence of present symbol is independent of previous symbol.
  13. 25. The mean of standard normal distribution.(in words)
Down
  1. 1. Bandwidth of QPSK is **** times of BPSK
  2. 2. Experiments with boolean valued otcomes uses this discrete probability distribution.
  3. 4. The encoded block of n bits at the output of error control coder.
  4. 5. Abbreviated name for the probability that the random variable ‘X’ takes a value less than or equal to x.
  5. 6. This is used in digital transmission as opposed to the amplification in analog transmission.
  6. 7. This is the maximum achievable value of capacity as bandwidth becomes infinite.
  7. 10. This block in the digital communication system reduces redundant bits and makes system bandwidth efficient
  8. 11. Other name for offset QPSK (********* QPSK)
  9. 12. Theorem that states that the sampling rate must be at least 2 times the highest frequency contained in the signal.
  10. 14. This generates the information in digital communication system
  11. 16. The line code which split the phase between positive and negative for every single bit.
  12. 18. The other nme for maximum information rate with which error probability is within tolerable limits.
  13. 21. Other name of amplitude shift keying (***** keying)