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.
A phase is defined as any homogeneous and physically distinct part of a system which is. separated from other parts of the system by interfaces. A part of a system is homogeneous if it has identical physical properties and chemical. composition throughout the part. â¢ A phase may be gas, liquid or solid.