FIELD: measurement technology. SUBSTANCE: gear incorporates measurement channels with pickups connected to commutator of analog signals that includes inverters and several inputs and outputs, control unit which controlling output is connected to controlling input of commutator and adder whose inputs are connected to outputs of commutator. Number of inverters, inputs and outputs of commutator corresponds to number of channels that is chosen even. Outputs of one group of channels making up half of the whole number of channels are connected to inputs of commutator which are connected through inverters to their outputs and outputs of another group of channels are connected to inputs of commutator which are connected to their outputs directly. Channels composing above-mentioned groups are selected on basis of arrangement of pickups in measured space by system of orthogonal binary functions assuming values plus or minus. EFFECT: practically momentary fixing of emergence of noticeable local changes. 1 dwg, 2 tbl
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Authors
Dates
2004-05-27—Published
2002-12-05—Filed