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| Number | Title | Issue Date |
| 7930148 | Spherical calibration and reference alignment algorithms Inclinometer and directional field sensor readings can have gain, offset, and non-orthogonality errors, as well as reference alignment rotation errors. When a series of readings are taken by a three axis sensor with a variety of different orientations, the resulting... | 04/19/2011 |
| 7912680 | Direction-of-arrival estimation apparatus A direction-of-arrival estimation apparatus has a signal vector generation unit operable to generate a signal vector v composed of N baseband signals v1 to vN from arriving signals received from a target by N sensors. The direction-of-arrival e... | 03/22/2011 |
| 7512524 | Preparing peptide spectra for identification A method for preparing peptide spectra for identification, the method including constructing a symmetric distance matrix from a plurality of peptide spectra, where a cluster of at least one of the spectra is represented in a row of the matrix, and where the cluster ... | 03/31/2009 |
| 7499837 | Method of generating sample data from a computerized model using acoustic simulations A method of generating sample data from a computerized model of a mass using acoustic simulations is disclosed. Initially, a computerized model of the mass is created based upon information that is known about the mass. The computerized model is divided into a plura... | 03/03/2009 |
| 7474993 | Selection of wavelengths for integrated circuit optical metrology Specific wavelengths to use in optical metrology of an integrated circuit can be selected using one or more selection criteria and termination criteria. Wavelengths are selected using the selection criteria, and the selection of wavelengths is iterated until the ter... | 01/06/2009 |
| 7421351 | Monitoring and fault detection in dynamic systems A system and method for monitoring and fault detection in dynamic systems. A “cross-covariance” matrix is used to construct and implement a principle component analysis (PCA) model and/or partial least squares (PLS) model. This system is further utilized for mon... | 09/02/2008 |
| 7401006 | Method and system for signal processing using a sparse approximation of the S-transform The present invention relates to a method and system for processing time series signal data or image signal data indicative of a characteristic of an object. Received signal data are transformed into second signal data within a Stockwell domain based upon a sparse a... | 07/15/2008 |
| 7391370 | Method and apparatus for adaptive direction estimation of radio waves In an environment of temporally and spatially uncorrelated white additive noise, the direction estimation apparatus for coherent signals calculates (M−1) instantaneous cross-correlations between some array data, and selecting multiple pairs each of which is consis... | 06/24/2008 |
| 7366633 | Signal processing methods A process for extracting at least one variable associated with a periodic signal (S, S′) including a possible continuous component, a sinusoidal fundamental component and possible harmonics. Numerical samples of the periodic signal (S, S′) are formed and special... | 04/29/2008 |
| 7363200 | Apparatus and method for isolating noise effects in a signal A matrix includes samples associated with a first signal and samples associated with a second signal. The second signal includes a first portion associated with the first signal and a second portion associated with at least one disturbance, such as white noise or co... | 04/22/2008 |
| 7350167 | Extraction and reduction of capacitor elements using matrix operations A method for extracting capacitance from a layout record includes solving a matrix equation to obtain a set of capacitors that account for metal fill while eliminating floaters. A method for extracting capacitance from a layout record includes partitioning floaters ... | 03/25/2008 |
| 7334199 | System and method for breaking a feedback loop using a voltage controlled voltage source terminated subnetwork model A system and method is disclosed for breaking a feedback loop by replacing at least one component in the feedback loop with a model containing two physically disconnected subnetworks that have terminals that are connected to ground with voltage controlled, voltage s... | 02/19/2008 |
| 7330801 | Signal separation using rank deficient matrices A communications device includes an antenna array for receiving different summations of source signals from a plurality of signal sources, a receiver coupled to the antenna array for receiving the different summations of source signals, and a signal separation proce... | 02/12/2008 |
| 7321643 | Soft decision decoder, and log likelihood ratio calculator and method thereof for enhanced performance in soft decision decoding Disclosed is a soft decision decoder, and a log likelihood ratio calculator for soft decision decoding and a method thereof, for realizing a generalized log likelihood ratio algorithm in consideration of channel estimation errors for performing soft decision decodin... | 01/22/2008 |
| 7315816 | Recovering method of target speech based on split spectra using sound sources' locational information The present invention relates to a method for recovering target speech from mixed signals, which include the target speech and noise observed in a real-world environment, based on split spectra using sound sources' locational information. This method includes: the f... | 01/01/2008 |
| 7299161 | Decorrelation of signals A method of strongly decorrelating signals comprising processing input signals to determine delay and rotation parameters which implement at least one elementary paraunitary matrix. The parameters transform the input signals into output signals with improvement in a... | 11/20/2007 |
| 7292833 | Reception system for multisensor antenna The present invention relates to a receiving system for a multi-sensor antenna and comprising: at least one set of channel filters (310j, 710k, 1 . . . N) filtering the signals Xi(t,f) received by t... | 11/06/2007 |
| 7289939 | Mechanism for on-line prediction of future performance measurements in a computer system Disclosed are a method and system for predicting future values of a target metric associated with a task executed on a computer system. The method comprises the steps of, over a given period of time, measuring at least one defined metric, transforming that measureme... | 10/30/2007 |
| 7283238 | Method and apparatus for matching colours A portable color sampling device (10) facilitates comparison of a color sampled from an object using an optical sensor (11) with a database (30,42,43,44) of stored colors. The database (30,42,43,44) of stored colors includes a merchandise... | 10/16/2007 |
| 7271910 | Systems and methods for compensating for temperature induced spectral emission variations in LED based color parameter measuring devices Systems and method provide compensation for temperature induced peak wavelength shift of LEDs is color parameter measuring systems that use a model to reconstruct target color parameter values from the reflectance values measured when the target is illuminated by LE... | 09/18/2007 |
| 7272518 | Automated hierarchy classification in utility monitoring systems An auto-learned hierarchy algorithm that learns the hierarchical layout of a power monitoring system. Historical power data from each meter is received and placed into a data table. The main is assumed to be at the top of the hierarchy and is designated as the refer... | 09/18/2007 |
| 7266205 | Linearized filter band equipment and processes A method for use with equipment having filters, the method characterized by multiplying a matrix having a specified cut-boost setting of a filter of a graphic equalizer by a correction matrix to create a matrix having a corrected cut-boost setting of the filter of t... | 09/04/2007 |
| 7260501 | Intelligent model-based diagnostics for system monitoring, diagnosis and maintenance Systems and methods are provided for monitoring, diagnosis and condition-based maintenance of mechanical systems. The disclosed systems and methods employ intelligent model-based diagnostic methodologies to effectuate such monitoring, diagnosis and maintenance. Acco... | 08/21/2007 |
| 7260506 | Orthogonalization and directional filtering Systems and methods are provided for directionally filtering signals by projecting a received signal onto a subspace substantially orthogonal to selected interfering signals. The received signal typically comprises at least one signal of interest, at least one selec... | 08/21/2007 |
| 7254491 | Clustering system and method for blade erosion detection A system and method for detecting erosion in turbine engine blades is provided. The blade erosion detection system includes a sensor data processor and a cluster analysis mechanism. The sensor data processor receives engine sensor data, including exhaust gas tempera... | 08/07/2007 |
| 7253769 | Method for the elimination in a receiver of incident beams resulting from multipaths, and device for implementation Method for the elimination in a receiver of an incident signal resulting from multipaths, characterized in that an array of 2n auxiliary sensors (2, 3, Ca to Cf), with n≧3, is constructed around an antenna main sensor (1), these auxiliary sensors all... | 08/07/2007 |
| 7249003 | System for solving diagnosis and hitting set problems The diagnosis problem arises when a system's actual behavior contradicts the expected behavior, thereby exhibiting symptoms (a collection of conflict sets). System diagnosis is then the task of identifying faulty components that are responsible for anomalous behavio... | 07/24/2007 |
| 7245372 | Optical analyzer for improving resolution of a time-varying spectrum and method therefor An analyzing method and system includes projecting light onto a specimen, detecting an optical spectrum from the specimen, dividing the detected optical spectrum by a predetermined time interval, applying a weighting vector and a gain and offset vector to the divide... | 07/17/2007 |
| 7242334 | Wireless receiver circuit with merged ADC and filter A CMOS hybrid analog-digital receiver core where filtering and gain functions are implemented in the digital domain. The analog portion of the receiver core includes standard circuits such as a low noise amplifier for receiving an RF input signal, and a mixer circui... | 07/10/2007 |
| 7243051 | System for predicting three-dimensional structure of protein The present invention is to provide a system for measuring the similarity between protein profile matrices which is suitably used for predicting a protein three-dimensional structure. The present invention provides a system for measuring the similarity between prote... | 07/10/2007 |
| 7231326 | System and method for generating a scanning program for a stand-alone measuring equipment A computer-based method for generating a scanning program for a stand-alone measuring equipment is provided. The method includes the steps of: receiving parameters, the parameters including output types of probing points; calculating a probing point coordinate multi... | 06/12/2007 |
| 7225104 | Method and program for estimating uncertainty Measured values obtained in a measuring machine to be estimated are provided to estimate errors in the measured values. Based on the estimated errors in the measured values, a covariance matrix or correlation matrix of measured values is derived. The covariance matr... | 05/29/2007 |
| 7212956 | Method and system of representing an acoustic field A method of representing a sound field includes the steps of acquiring measurement signals (cn) which are delivered by simple sensors (2n) that are exposed to sound field (P) determining encoding filters which are representative of at least the... | 05/01/2007 |
| 7196668 | Wireless communication system of notebook computer having antenna array module A wireless communication system of a notebook computer includes a first antenna, an antenna array module and a wireless local area network (WLAN) module. The antenna array module includes a plurality of second antennas and a plurality of connectors electrically conn... | 03/27/2007 |
| 7191106 | Method and system for predicting multi-variable outcomes Systems methods and recordable media for predicting multi-variable outcomes based on multi-variable inputs. Additionally, the models described can be used to predict the multi-variable inputs themselves, based on the multi-variable inputs, providing a smoothing func... | 03/13/2007 |
| 7188054 | Signal processing method, signal processing program, recording medium storing the signal processing program and signal processor A signal processing method is disclosed, where, after inputting a measurement data weighted-spline filter formula is selected to calculate an initial value of a spline filter, weight is adjusted, spline filter output is calculated, convergence is judged thereafter. ... | 03/06/2007 |
| 7184938 | Method and system for statistical filters and design of statistical filters Systems and methods for the design or implementation of statistical filters for use in the spectral shaping of transmissions are disclosed. A desired power spectrum may be mapped to find pole locations that approximate the desired spectrum. These pole locations may ... | 02/27/2007 |
| 7171340 | Computer-implemented regression systems and methods for time series data analysis Computer-implemented systems and methods for analyzing time series data. Statistical techniques are performed upon candidate autoregressive components and regressor components using the time series data. Autoregressive and regressor components are included in a pred... | 01/30/2007 |
| 7171315 | Method and apparatus for measuring a parameter of a fluid flowing within a pipe using sub-array processing A parameter of a fluid passing through a pipe is measured using a spatial array of sensors disposed at different axial locations along the pipe. The spatial array includes at least two overlapping sub-arrays. Using the pressure signals, a signal processor determines... | 01/30/2007 |
| 7162397 | Decoding an alternator output signal An engine diagnostic system is provided that enables a service technician to evaluate engine cylinder contribution to output power. The service technician couples one or more signal leads to the vehicle's battery, alternator, or accessory receptacle (e.g., cigarette... | 01/09/2007 |
