(M)Element 3-84 Signal Processing, Software and Codes Flashcards
1
Q
What is an SDR?
A
Software Defined Radio
2
Q
What does the DSP not do in a modern DSP radio?
A
Control SWR
3
Q
Which statement best describes the code used for GMDSS-DSC transmissions?
A
a 10 bit error correcting code starting with bits of data followed by a 3 bit error correcting code
4
Q
Which is the code used for SITOR-A and -B transmissions?
A
each character consists of 4 zeros and 3 ones
5
Q
Which of the following statements is true?
A
the idle signal (a)(0000111) is used for FEC phasing signal 1
6
Q
What principle allows multiple conversations to share one radio channel on a GSM channel?
A
Time division multiplex
