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9031816 Independent component analysis processor  
An independent component analysis processor conducts real-time operations of multiple-channel parallel signals. The processor includes an input buffering unit for receiving and storing...
9026390 Interleaved RF triggering on a test and measurement instrument  
A time-interleaved RF triggering method and system on a test and measurement instrument includes an acquisition component that samples a waveform, which is converted into an amplitude, phase,...
9009003 Apparatus and method for elimination of polarization-induced fading in fiber-optic sensor system  
The invention is an apparatus and method of eliminating polarization-induced fading in interferometric fiber-optic sensor system having a wavelength-swept laser optical signal. The interferometric...
8977503 Method for stabilization of low frequencies in tau-p domain filtering and deconvolution  
Apparatuses and methods for collecting and analyzing seismic data (D) include a frequency dependent noise factor (ε2) for stabilizing a transformation matrix (S). The noise factor (ε2) is a...
8958750 Peak detection method using blind source separation  
The peak detection method using blind source separation extracts true peaks from noisy peaks in a more robust way that does not require any a priori information. Information regarding true peak...
8954286 Method and device for measuring electromagnetic wave  
A waveform acquiring unit acquires a time waveform of an electromagnetic wave. The time waveform is decomposed into wavelet expansion coefficients by wavelet transform. Influence levels of the...
8949070 Human activity monitoring device with activity identification  
A method or apparatus for monitoring human activity using an inertial sensor is described. The method includes monitoring accelerations, and identifying a current user activity from a plurality of...
8949077 Physiological signal quality classification for ambulatory monitoring  
Physiological signal quality classification methods and systems designed to improve ambulatory monitoring. Physiological signals are classified as good, noisy or weak based on signal properties....
8948835 Systems and methods for determining blood oxygen saturation values using complex number encoding  
The disclosure includes pulse oximetry systems and methods for determining point-by-point saturation values by encoding photoplethysmographs in the complex domain and processing the complex...
8942948 Device and method for measuring and/or generating electrical variables  
An apparatus for measuring electrical variables includes an external measuring connection, and a converter that converts a plurality of measurement variables into respective electrical measurement...
8918295 Distributed reflectometry device and method for diagnosing a transmission network  
A distributed reflectometry device for diagnosing a network is disclosed. According to one aspect, the device includes at least one transmission line and several reflectometers connected to the...
8909365 Methods and apparatus for controlling a plasma processing system  
A method and apparatus for compensating a bias voltage at the wafer by measuring RF voltage signals in RF driven plasma including at least an electrostatic, chuck (ESC), a capacitive divider, a...
8903675 Acoustic systems and methods for nondestructive testing of a part through frequency sweeps  
A waveform generator and a signal analyzer are respectively provided in electrical communication with an input transducer and an output transducer capable of conversion between electrical and...
8897455 Microphone array subset selection for robust noise reduction  
A disclosed method selects a plurality of fewer than all of the channels of a multichannel signal, based on information relating to the direction of arrival of at least one frequency component of...
8892478 Adaptive model training system and method  
An adaptive model training system and method for filtering asset operating data values acquired from a monitored asset for selectively choosing asset operating data values that meet at least one...
8878529 Sensor module and method for monitoring the function thereof  
A method for monitoring the function of a sensor module including sensor which generates a measurement signal for a physical quantity to be determined and applies the measurement signal to an...
8880370 Multiple signals detection system  
Systems, methods, and computer-readable media for detecting signals are provided. A method comprises determining a time-frequency representation for a received signal and partitioning the...
8868379 Measurement apparatus  
A measurement apparatus obtains a reference signal from reference light modulated at a first frequency and a measurement signal from measurement light reflected by a target object modulated at a...
8858450 Photoplethysmography apparatus and method employing high resolution estimation of Time-Frequency Spectra  
A photoplethysmography apparatus and method is provided for high resolution estimating of Time-Frequency Spectra (TFS) and associated amplitudes using Variable Frequency Complex Demodulation...
8843332 Method and apparatus for noise reduction and data compression  
A method and apparatus for carrying out noise reduction in data regarding parameter values including the steps of making a series of measurements of parameter values at times separated by...
8825419 Method and device for determining an input voltage on a transforming station of a power network  
A method and device are provided for determining an input voltage of a transformer of a local network station. The method includes measuring an input current of the transformer, an output current...
8825440 Resolver signal converter and resolver signal conversion method  
A resolver signal converter and a resolver signal conversion method amplify and perform analogue-digital conversion on a sine wave output from a resolver; thereafter, among frequency components of...
8818746 Crack detection in thick-walled cylinders  
A simple, inexpensive, and fast method of establishing if a defect does or does not exist within a thick-walled solid geometry, which is especially useful to detect if such a defect, a crack,...
8805680 Method and apparatus for encoding and decoding audio signal using layered sinusoidal pulse coding  
Provided are a method and an apparatus for encoding and decoding an audio signal. A method for encoding an audio signal includes receiving a transformed audio signal, dividing the transformed...
8798399 Data decomposition method and computer system therefrom  
For multi-dimensional temporal-spatial data, EEMD is applied to time series of each spatial location to obtain IMF-like components of different time scales. All the ith IMF-like components of all...
8791706 Signal acquisition system having a compensation digital filter  
A signal acquisition system has a signal acquisition probe having probe tip circuitry coupled to a resistive center conductor signal cable. The resistive center conductor signal cable is coupled...
8781759 Meter electronics and methods for processing sensor signals for a multi-phase flow material in a flowmeter  
Meter electronics (20) for processing sensor signals for a multi-phase flow material in a flowmeter (5) is provided according to an embodiment of the invention. The meter electronics (20) includes...
8762076 System and method for selective distribution of measurement device configuration in a loosely coupled autonomous system  
Probe configuration is achieved in a measurement system in which probes are given possible configuration data depending upon conditions in an area relevant to the area of the probe. The possible...
8760967 Generating an angle domain common image gather  
A technique includes processing first data indicative of a first image of a subsurface region of interest on a machine to generate second data indicative of a second image. The first image is...
8756027 Reducing eye monitor data samplers in a receiver  
The present specification describes techniques and apparatus for reducing eye monitor data samplers in a receiver. A single eye monitor data sampler is used for multiple normal data samplers in a...
8742713 Motor control circuit and method that reduce speed jitter of an electric motor  
Motor control circuits and associated methods to control an electric motor provide a plurality of drive signal channels at the same phase, resulting in reduced jitter in the rotational speed of...
8723530 Signal acquisition system having reduced probe loading of a device under test  
A signal acquisition system has a signal acquisition probe having probe tip circuitry coupled to a resistive center conductor signal cable. The resistive center conductor signal cable of the...
8721549 Frame averaging circuit for use in an ultrasound imaging system  
A frame averaging circuit adapted for a color blood flow frame in a medical ultrasound imaging system. The frame averaging circuit comprises two sections, i.e., a recursive calculation section and...
8718743 Methods for single-pass volumetric bidirectional blood flow imaging spectral domain optical coherence tomography using a modified hilbert transform  
The present subject matter relates to in vivo volumetric bidirectional blood flow imaging using single-pass flow imaging spectral domain optical coherence tomography. This technique uses a...
8717006 Method of performing synthetic instrument based noise analysis using proportional bandwidth spectrum analysis techniques  
A system and method for filtering an input signal with at least a first and a second octave portions is presented. A proportional bandwidth filter system includes a bandwidth reducing filter, a...
8719000 Shooting Pnoise circuit simulation with full spectrum accuracy  
An apparatus and method for performing periodic noise (Pnoise) simulation with full spectrum accuracy is disclosed herein. Noise contributions of a circuit under consideration are identified and...
8712732 Electrical event detection device and method of detecting and classifying electrical power usage  
Some embodiments can concern an apparatus configured to detect an electrical state of one or more electrical devices. The one or more electrical devices are coupled to an electrical power...
8700360 System and method for monitoring and detecting faults in a closed-loop system  
A closed-loop system having a controllable variable is monitored to detect the off-nominal behavior and raise an alert when fault is detected. The faults show up in such a way that the tracking...
8686741 Excessive noise ratio deriving device, noise figure deriving device, method, program, and recording medium  
A noise figure deriving device is provided to precisely obtain the noise figure (NF) of a receiver. The noise figure deriving device includes a first NF deriving unit that derives a first noise...
8684934 Adaptively performing clutter filtering in an ultrasound system  
Embodiments of adaptively performing clutter filtering are disclosed. In one embodiment, by way of non-limiting example, an ultrasound system comprises: an ultrasound data acquisition unit...
8676543 Determining the resonance parameters for mechanical oscillators  
Mechanical oscillators employ the use of resonance parameters, frequency and the quality factor Q, for the measurement of corrosion or deposition. The ability of a mechanical oscillator to measure...
8676542 Adaptive filtering for more reliably determining physiological parameters  
Apparatus for reducing an interference portion in a time-discrete signal further including a useful portion, including a first provider for providing the time-discrete signal including the...
8670821 Electroencephalogram signal processing method  
An electroencephalogram signal processing method includes a recording step, a retrieving step, a removing step and a synthesizing step. The recording step retrieves EEG signal components of a...
8666701 Accurate and cost efficient linear hall sensor with digital output  
One embodiment of the present invention relates to a magnetic sensor circuit having a magnetic field sensor device configured to generate a digital signal proportional to an applied magnetic...
8667586 Backward researching time stamped events to find an origin of pestware  
A system and method for identifying an origin of suspected pestware activity on a computer is described. One embodiment includes establishing a time of interest relating to a suspicion of pestware...
8660820 Distortion cancellation using adaptive linearization  
An adaptive distortion reduction system comprising: an input interface to receive a distorted signal comprising a distorted component and an undistorted component, the distorted component being at...
8660848 Methods and systems for detection from and analysis of physical signals  
In the method of these teachings for detection of physical phenomena from or analysis of physical signals, an improved Empirical Mode Decomposition method decomposes physical signals...
8645103 Method for capture, aggregation, and transfer of data to determine windshield wiper motion in a motor vehicle  
Apparatus for capturing, aggregating, and transferring data to detect windshield wiper motion in a motor vehicle so as to alert the driver of the need to turn on headlights. The apparatus includes...
8639476 Process for estimation of ballistic missile boost state  
A computer-implemented method is provided for generating the estimation of current position, velocity and acceleration state vectors and associated uncertainty estimation (covariance) of a...
8635906 Tracking filter apparatus for wheel monitoring systems  
A wheel monitoring system that includes a tracking filter apparatus for tracking a signal that has a varying main frequency. The tracking filter apparatus has an adjustable filter and a filter...