Device of detection and recovery of anomalous measurements

FIELD: measurement equipment.

SUBSTANCE: device comprises a measurement result storage unit, switches, a unit of splitting into intervals, random number generators, a unit of the related values removal, a ranking unit, a register of storing random number sampling, approximation units, subtracting units, units of storing the residues, units receiving the ranked series at the intervals, units receiving the truncated sample, calculation units of the estimated standard deviation, multiplication units, a register of storing the coefficient, a unit of determining the coefficient, a unit of setting false alarm probability, comparators, units of storing fines, an arithmetic adder, a unit of calculating the threshold, a comparator, a register of storing fines, units of constructing and approximating the histogram, a difference calculation unit, a replacement unit, a storage unit, a control unit, a storage register, a delay unit, a generator of the clock pulses.

EFFECT: detecting and eliminating the anomalous measurements at the fixed probability of the false alarm.

2 dwg

 



 

Same patents:

FIELD: radio engineering, communication.

SUBSTANCE: disclosed is automated monitoring and testing equipment for testing energy and information interaction circuits of a multichannel control system with actuating devices, having a virtual reference and a module for comparing signals with the reference, a personal computer connected to an information transmission unit with a monitoring unit, which can be connected to a monitored system and has a control unit, a multichannel unit for standardising input signals with an analogue-to-digital converter, a unit for generating output signals and an interface simulator. The equipment is provided with a unit for simulating standard connection of the monitored system with a unit for generating relay signals of the state of the monitored system, a unit for simulating connection to a power supply network, a control module, a module for communication of the monitored system with the personal computer and an interface module, which can be connected to the interface simulator of the monitoring unit through the monitored multichannel control system.

EFFECT: broader functional capabilities of the equipment and high reliability of monitoring by providing equivalent standard connection of the monitored system.

1 dwg

The invention relates to a digital magnetic recording and can be used to reduce the time of conversion, error correction in the external storage device micro-computers and personal computers

FIELD: physics.

SUBSTANCE: object is radiated by generated radio and ultrasonic waves of various frequencies and amplitudes, phase and polarization of the received waves are independently registered. The image is formed by computing methods by calculation and proportional display for each element of the image of values of function of likelihood of the expected values of amplitudes and phases calculated using the models of process of sounding of the respective element of an object. When forming the image intended for the visual analysis, the separate component likelihood functions calculated for various frequencies of radio- and ultrasonic waves, are displayed in various colours.

EFFECT: increase of informational content due to formation of colour hybrid radio ultrasonic images of objects.

1 dwg

FIELD: testing technology.

SUBSTANCE: method of filtering non-stationary signals is performed by correlation reception of pre-recorded on the data medium, followed by isolation of the desired signal, and search for the desired signal is carried out simultaneously with memorization of instantaneous values of the correlation function and the spectral density of the signal, their comparison and identifying differences between the respective characteristics from stationary signs, and evaluation of amplitude-frequency range of the desired signal is carried out.

EFFECT: extraction of non-stationary signals having limited duration, of arbitrary shape and frequency spectrum.

3 cl, 2 dwg

FIELD: information technology.

SUBSTANCE: device includes constant storage units, function generation units, derivative generation units, product generation units, difference generation units, summation units, transposition units and integration units. Said technical result is achieved via calculation and successive refinement of regularisation parameters.

EFFECT: high accuracy of identifying parameters of dynamic systems.

2 dwg

FIELD: instrumentation.

SUBSTANCE: claimed invention relates to thermometry and can be used for quantum theory-based correction of radiation thermometer temperature. It allows detection of parameters describing the structure of energy levels with the help of efficient physical model for calibration of radiation thermometer system. For this, radiation thermometer system is set to temperature measurement state to reveal object radiation energy via optical system. Parameters describing the structure of energy levels are defined by calculation and processing by PC and MCU in radiation thermometer system in compliance with physical model. Said parameters are used for calibration of radiation thermometer. To realise described method, radiation thermometer system is used including temperature measurement module, calibration module, PC or MCU used for calibration of radiation pyrometer in compliance with parameters describing the structure of energy levels.

EFFECT: higher precision.

12 cl, 6 dwg, 1 tbl

FIELD: information technology.

SUBSTANCE: adaptive digital predicting and differentiating device includes: a smoothing unit having an adder, first and second bidirectional counters, a single-channel smoothing subunit, a deviation ratio setting subunit, a real deviation subunit, a unit increment subunit, a dynamic characteristic control subunit, data, first control and clock inputs of the device and a prediction unit clocking unit.

EFFECT: broader functional capabilities by obtaining second derivative estimates using numerical differentiation formulae for equidistant points of the history of the input smoothed discrete sequence.

5 dwg

FIELD: information technology.

SUBSTANCE: adaptive digital predicting and differentiating device includes a third subunit for calculating a second derivative at a first n-th (current) calculation point of the input process history, having an inverter unit and an adder, the first term input of which is connected through the inverter unit to the adder output of a first subtractor, the second term input of the adder is connected to the multiplexer output of an adaptation unit, and the adder output of the subunit is the fourth data output of the device.

EFFECT: obtaining a second derivative estimate using a numerical differentiation formula for equidistant function nodes at the n-th calculation point of the history of an input smoothed discrete sequence.

5 dwg

FIELD: information technology.

SUBSTANCE: in the adaptive digital predictor, both inputs of terms of the first adder of the quadratic prediction subunit are respectively connected to data outputs of the first and second second-derivative calculation subunits, and the output of the first adder is connected to the first input of the second adder, the second input of which is connected to the output of a linear prediction subunit.

EFFECT: reduced hardware costs when predicting an input process.

5 dwg

FIELD: information technology.

SUBSTANCE: device comprises: an input realisation storage unit, a frame selection unit, unit for determining quasi-stationarity areas, a mask forming unit, an element-by-element multiplier, an approximation unit, an estimate storage unit, an estimate averaging unit, a frame storage unit, a frame averaging unit, useful component estimate storage unit, a current row counter, delay units, an averaging signal generator, a current column counter and a clock-pulse generator.

EFFECT: selecting a two dimensional estimate of a dynamic image in conditions with insufficient prior information on statistical characteristics of additive noise and the useful component function.

3 dwg

FIELD: information technology.

SUBSTANCE: predicting and differentiating device includes a smoothing unit, a prediction unit, a first subunit for calculating the first derivative (y'n-1) from one adder, a second subunit for calculating the first derivative (y'n-1) from one adder, a third subunit for calculating the first derivative (y'n-2) from an inverter and an adder, wherein the input of the first term of the adder of the third subunit for calculating the first derivative is connected through an inverter unit to the data output of the first subunit for calculating the first derivative, and the input of the second term of the adder of the third subunit is connected to the data output of the second subunit for calculating the first derivative, with shift of the term input buses one bit towards higher-order bits.

EFFECT: simple implementation and broader functional capabilities of the device.

5 dwg

FIELD: information technology.

SUBSTANCE: digital interpolator includes an adder, a register, first and second binary counters, first and second AND element units, OR element units, first and second flip-flops, first and second delay lines, first, second, third and fourth AND elements, first and second digital inverters. The digital interpolator further includes a third binary counter with an input for setting the counter to its initial value, the inverting input for the second least significant bit of which is connected to the output X of the interpolator, and the output is connected through a second unit of AND elements to the input of the OR element unit.

EFFECT: enabling digital interpolation of a logarithmic curve.

2 dwg, 1 tbl

FIELD: computer science.

SUBSTANCE: device has sum forming blocks, matrix functions forming block, difference forming block, delay lines, apriori data output block.

EFFECT: higher precision.

6 dwg

FIELD: information technology.

SUBSTANCE: present invention relates to digital computer technology and can be used in systems for digital processing radio signals for optimum non-linear filtration. The device has blocks for generating matrix functions (4, 6, 10, 12), corrector units (2, 8), differential generating units (1, 7), summing units (3, 9), delay line (5, 11), unit for generating and output of priori data (13). The device also has a unit for calculating regularisation parametre (14), which is linked to the rest of the units.

EFFECT: more accurate evaluation of the information process in measuring systems.

8 dwg

FIELD: physics; computer engineering.

SUBSTANCE: invention relates to computer engineering and can be used in control and signal processing systems. Technical outcome is achieved due to that, the device contains a unit for storing measurement results, commutators, interval division unit, random number generator, unit for eliminating associated values, ranking unit, storage register for random number samples, approximation units, subtracting units, remainder storage units, units for obtaining an ordered series on intervals, truncated sampling units, units for calculating mean-square deviation, multiplier units, coefficient storage register, coefficient evaluator, unit for setting false alarm probability, comparators, penalty storage units, arithmetic adder, threshold evaluator, comparator, penalty storage register, unit for eliminating anomalous measurements, storage register, delay unit and a clock pulse generator.

EFFECT: detection and elimination of anomalous measurements with a fixed value of false alarm probability.

1 dwg

FIELD: computer engineering.

SUBSTANCE: invention relates to computer engineering and can be used in systems for controlling and processing multi-dimensional signals. The device comprises a unit for storing input realisation 1, unit for calculating first coefficient 2, unit for calculating second coefficient 3, unit for calculating third coefficient 4, approximation unit 5, unit for evaluating useful component 6 and clock generator 7. Approximation of values of initial discrete realisation of the measured process is done through minimisation of the objective function, which is a sum of mean square deviations of two-dimensional evaluation of useful component from the initial two-dimensional realisation of measurement results.

EFFECT: separate two-dimensional evaluation of useful component given a single realisation of the measured process.

1 dwg

FIELD: computer engineering.

SUBSTANCE: invention relates to digital computer engineering and can be used in digital signal processing systems for optimum nonlinear filtering. The device contains six units for generating matrix functions, three correctors, three units for generating difference, three units for generating sum, three delay lines, unit for generating and outputting prior data, and two units for calculating regularisation parametre.

EFFECT: increased accuracy of evaluating information process parametres in measuring systems.

8 dwg

FIELD: information technology.

SUBSTANCE: proposed invention relates to information measuring devices and can be used in computer engineering, in signal control and processing systems. The devices has a register for storing measurement results (1), delay unit (2), approximation unit (3), register for storing estimations (4), averaging unit (5), control unit (6), clock generator (7), and a comparator unit (8).

EFFECT: pickup of useful signal against a background of noise with minimisation of end effects, in conditions of insufficient prior information on statistical characteristics of adaptive noise and useful signal function given a single realisation of the measuring process.

4 dwg

FIELD: information technologies.

SUBSTANCE: device comprises unit of input realization storage, clock oscillator, control unit, unit of useful signal extraction, unit of storage of five last values of useful component assessment, unit of approximation with polynom of the first degree, unit of approximation with polynom of the second degree, unit of output realization storage. In device end values of assessment are approximated with the help of method of least squares with polynom of the first or second degree, then produced equation of assessment is used to calculate values in forecast points.

EFFECT: forecasting measurement results on the basis of useful signal extraction without end effects, under conditions of limited a priori information about useful and accidental component.

1 dwg

FIELD: information technologies.

SUBSTANCE: device comprises serially connected frequency filter, digitiser and unit of reduction to perfect instrument (RPI), intended for interpolation of counts supplied to its inlet, detection of weight of basic final duration of signals in inlet signal on the basis of interpolated counts decomposition into Fourier series by orthogonalised reactions of frequency filter into basic signals and for formation of outlet signal as a superposition of basic signals with account of their weight in inlet signal, besides versions of device include connection of noise suppression unit or serialy connected unit of signal growth speed assessment and normalisation unit between digitiser and RPI unit.

EFFECT: improved resolution and sensitivity to elements of signal, increased efficiency and simplification of device for signals processing.

4 cl, 12 dwg

FIELD: information technology.

SUBSTANCE: device has a unit for storing input realisation, switches, approximation units, estimation storage units, arithmetic adder, a unit for storing useful component estimates, a control unit, a delay unit, a clock-pulse generator, two units for breaking down into intervals, each having a random number generator, a unit for averaging related values, a ranging unit and a register for storing random number samples. The control unit has a shift register for sampling column random numbers, a shift register for sampling row random numbers, a delay unit for sampling column random numbers, a delay unit for sampling row random numbers, a counter and a unit for checking conditions.

EFFECT: two dimensional estimation of the useful component in conditions with insufficient prior information on statistical characteristics of additive noise and useful component function.

2 dwg

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