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The inhibitory innervation may also derive from directional and non-directional lower nuclei, or it may be entirely non-directional. The excitatory and inhibitory innervation then sums over time, where small differences in arrival times of excitation and inhibition are relatively unimportant.

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Figure 7 shows a practical detection scheme, typically provided as a single integrated circuit (IC) manufactured specifically for LVDTs. The system contains a signal generator for the primary, a phase-sensitive detector (PSD) and amplifier/filter circuitry.

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Apr 06, 2013· Jaap Keijzer has now kindly finished the construction of a bi-directional coupler. The Würzburg signal is being absorbed inside a dummy load (power meter).

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US20140305234A1 - Vibration exciter - Google Patents

A vibration exciter, particularly for a vibration pile driver, includes at least two shafts disposed parallel to one another, as well as at least two imbalance masses, which are attached on one or more of the shafts. A pivot motor provided for adjustment of the relative rotational position of the imbalance masses with regard to one another, includes a pivot motor shaft and a pivot motor housing.

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Feb 16, 2011· For the IC neurons in this study, the temporal sequence of excitation and inhibition provided no information about directional preference; inhibition in the null FM responses was not confined to any temporal position relative to excitation, and could lead, be coincident with or even lag behind excitation.

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