Digital Communications Mock Test 8

1. The transmitter of frequency hopping system is fed with encoding scheme such as

2. For direct sequence systems what is the minimum required processing gain?

3. Which are called as substitution encryption techniques?

4. Bandwidth efficiency improvement involves

5. Which jamming method produces greater degradation?

6. Which serves the hard hand-off process?

7. Acquisition uses ______ likelihood algorithm for acquiring the code.

8. A cryptographic hash function has variable output length.

9. Equivocation is the

10. In which method the key-stream is generated independently of the message?