applications?
phase modulation (PM(AM*FM)) -> actional modulation (AM(h) = h') amplitude modulation (AM(v)) -> potential modulation (PM(u) = u') frequency modulation (FM(f)) -> durential modulation (DM(t) = t')
Now broaden the bandwidth.
Hold stint constant, vary the span -> locential modulation (LM(s) = s') pattern modulation (PtM(AM*LM)) -> solutional modulation (SM(k) = k')
Hold work constant, vary the heft -> inertial modulation (IM(m) = m') mobility/impedanse modulation (MM(AM/IM)) -> celerational modulation (CM(c) = c')
=> gradial mode (g(u/s) = u')