Understanding SNR and Attenuation rate

Ntulo

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Hi All

My name is Ntulo,
Most DSL modems have admin interface that allows for viewing the actual attenuation , SNR and SYNC speed values
 
Most DSL modems have admin interface that allows for viewing the actual attenuation , SNR and SYNC speed values.

What's not to understand?

Presymplectic manifolds and the Dirac–Bergmann theory of constraints
 
Presymplectic manifolds and the Dirac–Bergmann theory of constraints

It's an algorithm which enables us to state necessary and sufficient conditions for the solvability of generalized Hamilton‐type equations of the form ι (X) ω=α on a presymplectic manifold (M,ω) where α is a closed 1‐form. The algorithm is phrased in the context of global infinite‐dimensional symplectic geometry, and generalizes as well as improves upon the local Dirac–Bergmann theory of constraints.

Duh.
 
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