It could be many things. 1  Gather facts. 2  Rule out equipment... 3  Back to gathering facts... 4  Call Comcast.  Good 1  luck. Have your problems always existed (with your current installation/configuration)?  When speaking with anyone...
A maximum-phase system is the opposite of a minimum phase system. A causal and stable LTI system is a maximum-phase system if its inverse is causal and unstable. That is, 1  The zeros of the discrete-time system are outside the unit circle.
The Define Phase. The Define phase is the first phase of the Six Sigma or DMAIC methodology. It is probably the simplest phase but by no means unimportant. The direction your problem solving journey takes is very much dependent on this phase.