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7623989 |
System and method for pulsed signal device characterization utilizing an adaptive matched filterbank
A test system and method which employs a filter bank to select different spectral components of a pulsed measurement signal. The filter bank utilizes filter nulls to suppress non-selected spectral...
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7596472 |
Device for synthesis of a composite digital signal with explicit control of the first three moments thereof
The device determines the weighting coefficients to be applied to N digital source signals to form a composite signal. The first- to third-order moments of the composite signal must respectively...
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7584235 |
Variable passband autoregressive moving average filter
A variable passband ARMA filter has as inputs a signal to be filtered, a reverse version of the signal to be filtered and a variable coefficient to produce as an output a filtered signal. The...
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7584056 |
Multiple suppression in angle domain time and depth migration
Seismic data may be imaged using or recognizing substantially only primary reflections. Imaging seismic data may include for example integrating a plurality of seismic data points that have...
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7583200 |
Method and system for detecting and measuring the disturbances in terms of frequency of the rate of rotation of a rotor
A method and system for detecting the variations of speed (R) of a rotor. Signals are measured representative of the march-past of the teeth of a measurement device secured to the rotor for a...
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7581143 |
Peripheral component interconnect bus test system and method therefor
A peripheral component interconnect (PCI) bus test system and method therefor, that is applied in a PCI test card. The PCI test card includes a static random-access-memory (SRAM). In the method,...
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7580812 |
Trending system and method using window filtering
A trending system and method for trending data in a mechanical system is provided. The trending system includes a sliding window filter. The sliding window filter receives a data set of data points...
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7580492 |
Clock recovery
Clock recovery apparatus having an early/late voter for deciding whether a current sampling point needs to be advanced or retarded, wherein the early/late voter passes and Up/Down signal to an...
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7576681 |
Method and system for data fusion using spatial and temporal diversity between sensors
A method and system provide a multi-sensor data fusion system capable of adaptively weighting the contributions from each one of a plurality of sensors using a plurality of data fusion methods....
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7574333 |
Apparatus and method for modeling relationships between signals
A projection is associated with a first signal and a second signal. The second signal includes a first portion associated with the first signal and a second portion not associated with the first...
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7567875 |
Enhanced sonde recognition
A detector for locating a sonde is comprised of a plurality of antennas, a corresponding number of signal isolator modules 1 and a geometrical evaluation module. The magnetic signal generated by...
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7564040 |
Device for correcting a signal derived from a detector
A device for processing a signal (i) derived from a particular detector, the device including an integrator for measuring the total charge transported by an input signal (i 2 ) feeding the...
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7561989 |
Extracting performance metrics from images
Through the use of image processing and set-up calibration techniques, an accurate position of an object may be determined. Embodiments of the present disclosure measure a change in position over a...
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7561980 |
Transmission medium testing apparatus and method
The invention provides a method for testing a transmission medium used in a full-duplex communication system comprising an endpoint that comprises a transmitting end (TX) and a receiving end (RX);...
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7548836 |
Method and apparatus for compensating for AC coupling errors in RMS measurements
Apparatus for compensating for a coupling error in an input signal may include a blocking correction filter. The blocking correction filter is in operable connection with an AC coupling circuit....
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7542876 |
Method of and apparatus for evaluating the performance of a control system
A method of and apparatus for evaluating the performance of a control system are disclosed. The method of evaluating the performance of a control system includes calculating a ratio of a first area...
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7542863 |
Position measuring system
A position-measuring system is for measuring the position of an object, movable in several degrees of freedom, relative to a stationary object. The position-measuring system includes at least one...
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7536281 |
Method for compensating for a contaminated calibration target used in calibrating a scanner
A method for compensating for a contaminated calibration target used in calibrating a scanner having a plurality of sensor pixels includes (a) scanning a calibration target to generate a respective...
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7536262 |
Kalman filter approach to processing electromagnetic data
A method for tracking a sinusoidal electromagnetic signal in noisy data using a Kalman filter or other tracking algorithm. The method is useful for controlled source electromagnetic surveying where...
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7535408 |
Apparatus and methods for detection of multiple targets within radar resolution cell
A method and apparatus is operative for multiple target detection in a radar system which employs a radar waveform of two or more frequency diverse subpulses. The apparatus adds coherent processing...
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7533000 |
Method and apparatus for analysing a dataset of spectra
A method of analyzing a dataset of spectra is provided in which each spectrum has a count value for each of a number of parameter values within a parameter range. The method is for identifying one...
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7523018 |
Hair coloring system
A system for determining hair color treatment, including a processor. The processor is configured for: receiving as input an initial spectrum of a sample of hair, the initial spectrum having a...
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7523011 |
Method for analyzing signal waveform and analyzing vehicle dynamic characteristic
A signal waveform analysis method includes: determining a trend component of an object signal by applying a zero-phase filter to the object signal; determining an oscillatory component of the...
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7502716 |
Closed-loop diagnostic method
Problem diagnostics may be obtained from components that log messages using a unique component identifier which is provided within each message so as to enable routing of callbacks to the component...
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7502712 |
Preventive defect detection and control process in composite material parts
A preventive defect detection and control process for a mass produced composite material parts automatically obtains representative parameters of backwall and intermediate echo signal results in...
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7499835 |
Variable indication estimator
A variable indication estimator which determines an output value representative of a set of input data. For example, the estimator can reduce input data to estimates of a desired signal, select a...
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7496813 |
Communicating simultaneously a functional signal and a diagnostic signal for an integrated circuit using a shared pin
An integrated circuit 2 including functional circuits 4, 6 and a diagnostic circuit 10 passes a functional signal and a diagnostic signal to/from the integrated circuit using a shared...
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7496482 |
Signal separation method, signal separation device and recording medium
A method and a device for signal separation. First, values of signals observed by M sensors are transformed into frequency domain values, and these frequency domain values are used to calculate...
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7493224 |
Event tracing with time stamp compression and history buffer based compression
An improved method, apparatus, and computer instructions for generating trace data. In response to detecting a trace event, a determination is made as to whether identifiers for the trace event...
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7474992 |
Trending system
A trending system and method for trending data in a physical or clock system. The trending system includes a sliding window filter. The sliding window filter receives a data set of data points...
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7472041 |
Method and apparatus for accommodating device and/or signal mismatch in a sensor array
Noise discrimination in signals from a plurality of sensors is conducted by enhancing the phase difference in the signals such that off-axis pick-up is suppressed while on-axis pick-up is enhanced....
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7472021 |
Atmospheric feature detection using Langrangian scalar integration
Described are a method and a system for detecting an atmospheric feature. A value of a meteorological scalar field at an initial time is determined for a set of tracers. Each tracer is initialized...
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7467002 |
Sine saturation transform
A transform for determining a physiological measurement is disclosed. The transform determines a basis function index from a physiological signal obtained through a physiological sensor. A basis...
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7464006 |
Analyzing nonstationary financial time series via hilbert-huang transform (HHT)
An apparatus, computer program product and method of analyzing non-stationary time varying phenomena. A representation of a non-stationary time varying phenomenon is recursively sifted using...
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7463987 |
Magnetic sensing system and method
A coil at a first location in magnetic communication with a door of a vehicle generates a magnetic field responsive to a time varying signal applied thereto. The first location and the coil are...
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7460983 |
Signal analysis system and calibration method
A method and apparatus adapted to calibrate a signal path of a signal analysis system such that loading effects of the system are substantially removed from measurements of a device under test. A...
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7457713 |
Determination method for a position signal
Two sensors scan a measuring scale, which can be displaced in relation to the sensors and comprises a plurality of equidistant measuring gradation, and deliver corresponding measuring signals. The...
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7454333 |
Separating multiple audio signals recorded as a single mixed signal
A method according to the invention separates multiple audio signals recorded as a mixed signal via a single channel. The mixed signal is A/D converted and sampled. A sliding window is applied to...
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7453399 |
Antenna processing method for potentially non-centered cyclostationary signals
An antenna processing method for centered or potentially non-centered cyclostationary signals, comprises at least one step in which one or more nth order estimators are obtained from r-order...
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7451050 |
Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency
Methods, systems and devices are described for detecting noise in a touchpad or other sensor that produces an output in response to a stimulus that is applied at or near a sensing region. According...
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7447598 |
Methods and systems for automatically assessing and reporting structural health
Structural analysis systems and methods are disclosed. One embodiment provides a method for analyzing a structure includes receiving damage image data; converting the received image data into...
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7443989 |
Adaptive beamforming method and apparatus using feedback structure
An adaptive beamforming apparatus and method includes a fixed beamformer that compensates for time delays of M noise-containing speech signals input via a microphone array having M microphones (M...
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7437249 |
Methods and systems for detrending signal intensity data from chemical arrays
Methods, systems and computer readable media for removing trends in signal intensity values from features on a chemical array. Inputted signal values from features on the array are surface fitted...
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7430481 |
Methods for detecting and analyzing piled-up X-rays in an X-ray spectrometry system
A method of processing signals relating to a plurality of X-rays received in an X-ray spectrometry system that includes a pulse processor having a main channel and zero or more fast channels...
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7426439 |
Method and apparatus for marine seismic data acquisition
The present invention provides a method and apparatus for seismic data acquisition. One embodiment of the method includes accessing data acquired by at least two particle motion sensors. The data...
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7424406 |
Filter characteristic measuring method and system
Described are a filter characteristic measuring method and system capable of measuring a gain of an analog filter adapted in a DUT (Device Under Test) and a frequency response at a high speed,...
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7424405 |
Method and arrangement for signal processing comprising first and second pulse compression filters
The invention refers to a method and an arrangement for signal processing for a target detecting device ( 1 ) where a return signal ( 8 ) is divided into two parallel branches where a first...
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7424404 |
Method for determining the envelope curve of a modulated signal in time domain
The disclosure relates to a method for determining the envelope curve of a modulated input signal with the following method steps:
generating digital samples by digital sampling of the input...
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7421376 |
Comparison of data signals using characteristic electronic thumbprints
A characteristic thumbprint is extracted from a data signal, the thumbprint based on statistics relating to the data signal. The data signal can be compared indirectly by matching this thumbprint...
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7415392 |
System for separating multiple sound sources from monophonic input with non-negative matrix factor deconvolution
A method and system separates components in individual signals, such as time series data streams. A single sensor acquires concurrently multiple individual signals. Each individual signal is...
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