If the original signal is well behaved, the local oscillator will need very little information to be able to track, and that information can be obtained by averaging for a long period of time, thereby eliminating noise that could be very large.
发布于 2021-04-13 16:16:56
【单选题】 A the LO will not require any information in order to keep tracking B the LO will make use of tracking information that is scarce in the system C the LO will require some information, but not much, so that the system can track D the LO will use no information other than some little one to maintain tracking
