Resolvers produce in-phase and quadrature components which are useful for computation.
2.
Ultimately, two such devices would be needed, their outputs to be combined as quadrature components of the complete solution.
3.
Roughly, the quantum uncertainty of the quadrature components of the field is amplified as well as the signal; the resulting uncertainty appears as noise.
4.
We can also observe that in both conventions the quadrature component " leads " the in-phase component by one-quarter cycle.
5.
This filtered signal is unaffected by \ scriptstyle Q ( t ), showing that the in-phase component can be received independently of the quadrature component.
6.
Tap connections on the shunt unit allow the magnitude of the quadrature component to be controlled, and thus the magnitude of the phase shift across the quadrature booster.
7.
Here, the odd-numbered bits have been assigned to the in-phase component and the even-numbered bits to the quadrature component ( taking the first bit as number 1 ).
8.
By offsetting the timing of the odd and even bits by one bit-period, or half a symbol-period, the in-phase and quadrature components will never change at the same time.
9.
Therefore, a squeezed coherent state saturates the Heisenberg Uncertainty Principle \ Delta x \ Delta p = \ frac { \ hbar } { 2 }, with reduced uncertainty in one of its quadrature components and increased uncertainty in the other.
10.
However, unlike typical QAM systems where a single bit stream is split in two half-symbol-rate bit streams to improve spectral efficiency, in GPS signals the in-phase and quadrature components are modulated by separate ( but functionally related ) bit streams.
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