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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8401808 | Wavelength-multiplexed optical signal measurement device and the method thereof Light to be measured L and sampling pulse light LSP are each split into M beams, and a time delay of 0, T, 2T, . . . , (M−1)T is given to each of the M-split sampling pulse light beams. The M-split light beams to be measured are then respectively multip... | 03/19/2013 |
| 8301406 | Methods for prognosing mechanical systems A method of prognosing a mechanical system to predict when a failure may occur is disclosed. Measurement data corresponding to the mechanical system is used to extract one or more features by decomposing the measurement data into a feature space. A prediction model ... | 10/30/2012 |
| 8249820 | Detector assembly for use in environments containing background magnetic noise and method thereof A method and system for detecting a signal source at a specified frequency in the presence of background noise includes a processor; a first sensor mounted at a first location operatively connected to the processor; a second sensor mounted at a second location opera... | 08/21/2012 |
| 8190388 | Method and system for detecting Bluetooth signals utilizing a wideband receiver Aspects of a method and system for detecting Bluetooth signals utilizing a wideband receiver are provided. In this regard, a portion of a frequency band may be scanned multiple times, where each scan comprises receiving signals present in the scanned portion of the ... | 05/29/2012 |
| 8150644 | Femtosecond spectroscopy using minimum or maximum phase functions A method determines a transient response of a sample. The method includes providing a measured magnitude of the Fourier transform of a complex electric field temporal profile of a pulse sequence comprising a first pulse indicative of the transient response of the sa... | 04/03/2012 |
| 8145443 | Fourier transform-based phasor estimation method and apparatus capable of eliminating influence of exponentially decaying DC offsets Disclosed herein is a Fourier transform-based phasor estimation method and apparatus capable of eliminating the influence of exponentially decaying DC offsets. According to a Fourier transform-based phasor estimation method according to an embodiment of the present ... | 03/27/2012 |
| 8131491 | Method and apparatus for evaluating data representing a plurality of excitations of a plurality of sensors A method for evaluating data representing a plurality of excitations of a plurality of sensors; the method comprising: (a) storing the data as a plurality of entries in an information store; each respective sensor-excitation pair being a respective entry; (b) exerci... | 03/06/2012 |
| 8121804 | Electrical network analysis of a multiphase system A method for determining characteristics of a multi-material object is provided. The method includes determining an electric element matrix representing the multi-material object. The electric element matrix is pre-multiplied by a first mathematical transformation m... | 02/21/2012 |
| 8108167 | Method for ascertaining the harmonic components of an analog electrical signal at a fundamental frequency which changes over time A method includes ascertaining harmonic components of a periodic analog signal at a fundamental frequency which changes over time. The signal is digitized and fast Fourier transformed. A target signal is produced by modulating the signal using a first carrier freque... | 01/31/2012 |
| 8082117 | Optical image processing using minimum phase functions A method utilizes an optical image processing system. The method includes providing a measured magnitude of the Fourier transform of a complex transmission function of an object or optical image. The method further includes providing an estimated phase term of the F... | 12/20/2011 |
| 8050880 | Generation of a constant envelope signal One or more embodiments of the present invention relates to an iterative method for generating an almost-constant, nearly constant, or substantially-constant envelope time signal with prescribed Fourier transform magnitude in the frequency domain, and a constant env... | 11/01/2011 |
| 8014965 | Spectral estimation of spectrometers time-sampled signals using fast implementation of the reverse non-uniform discrete fourier transform A spectrometric system has a primary channel with a signal waveform and a reference channel with a signal waveform. A digital representation of the primary signal waveform and a digital representation of the reference signal waveform to provide a digital output repr... | 09/06/2011 |
| 7987060 | Identifying peaks in mass spectrometry data A method of processing Fourier Transform Mass Spectrometry (FTMS) data includes performing a Fourier Transform of a part of a time domain transient and identifying from that transformed data signal peaks representative of the presence of ions. After peak identificat... | 07/26/2011 |
| 7822565 | System, method, and apparatus for monitoring characteristics of RF power A system and method for monitoring RF power is described. In one embodiment the system samples RF power that is generated by an RF generator to obtain RF signals that include information indicative of electrical characteristics at a plurality of particular frequenci... | 10/26/2010 |
| 7783440 | Obtaining an optical transfer function (OTF) from an edge in a sampled image data set A method for obtaining a modulation transfer function (MTF) of a knife-edge target imaged by an electro-optical device is described. The method includes the steps of: (a) obtaining edge response data points, where a data point includes a perpendicular distance, d, t... | 08/24/2010 |
| 7765075 | Method and device for spectral analysis in several frequency bands with different frequency resolution A method for spectral analysis of a signal (s1(t)) in several frequency bands with different frequency resolution adapts the two spectra of the signal (s1(t)) from adjacent frequency bands relative to one another in the transitional range of th... | 07/27/2010 |
| 7676337 | Irreversible-reaction measurement method An irreversible-reaction measurement method comprising: a step in which a perturbation is applied to one of the divided portions of a measurement sample placed in a light path of a Fourier-transform spectrophotometer to cause an irreversible-reaction while a mirror ... | 03/09/2010 |
| 7676336 | Watermark embedding According to an inventive scheme for introducing a watermark into an information signal, the information signal is at first transferred from a time representation to a spectral/modulation spectral representation). The information signal is then manipulated in the sp... | 03/09/2010 |
| 7643952 | Optical image processing using minimum phase functions A method processes an optical image. The method includes providing a measured magnitude of the Fourier transform of a two-dimensional complex transmission function. The method further includes providing an estimated phase term of the Fourier transform of the two-dim... | 01/05/2010 |
| 7640123 | Method and system for detecting bluetooth signals utilizing a wideband receiver Aspects of a method and system for detecting Bluetooth signals utilizing a wideband receiver are provided. In this regard, a frequency band may be scanned by receiving signals on each of a plurality of sub-bands for an amount of time, the energy received in each ban... | 12/29/2009 |
| 7574313 | Information signal processing by modification in the spectral/modulation spectral range representation Processing of information signals separated according to modulation and carrier components in a more controlled way is made possible by a device for processing an information signal including a unit for converting the information signal to a time/spectral representa... | 08/11/2009 |
| 7519491 | Data processing method for spectrum analyzer A data processing method is provided to enable a calculation based signal analyzer, such as an FFT based spectrum analyzer, to produce results corresponding to a swept spectrum analyzer employing a video bandwidth (VBW) filter. Once a spectrum is produced the freque... | 04/14/2009 |
| 7516031 | Apparatus and method for correcting for aberrations A method of correcting for aberrations in scattering data is described which does not require prior knowledge about the sample microstructure properties or calculations based on the modelling of peak locations. In an example, X-ray scattering apparatus integrates a ... | 04/07/2009 |
| 7483800 | Peak detection and clutter reduction for a microwave sensor An effective methodology for reducing the influence of clutter arising from a complex signal environment defined by the use of a microwave sensor within or in connection with a gas turbine engine having one or more stages of rotating blades. Accurate detection of pe... | 01/27/2009 |
| 7467053 | Three-dimensional fourier transform processing method for shared memory scalar parallel computer When a three-dimensional Fourier transform is performed on the data x (i, j, k), the Fourier transform is performed on each two-dimensional plane formed by a first dimension and a second dimension (two-dimensional array defined by i and j). Since data is stored in a... | 12/16/2008 |
| 7457712 | Distributed test equipment system for testing analog communications systems A distributed test equipment system for testing analog communications systems. One or more analog signal receivers and one or more computers are connected via a packet-switched network such that each computer can remotely control and receive signal data from each re... | 11/25/2008 |
| 7444249 | Digital power metering system for reducing spectral leakage when determining the frequencies present in a power signal A digital power metering system reduces spectral leakage when determining the frequencies present in a power signal by a technique that includes sampling the signal and performing a transformation from the time domain to the frequency domain. The system initially me... | 10/28/2008 |
| 7428475 | Method of processing oscillatory data A method which permits the transformation of non-stationary response measurements into stationary data for analysis is provided. Many standard analysis techniques, particularly for oscillatory responses, are based on stationary data, and the method allows these tech... | 09/23/2008 |
| 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 signal, generating Four... | 09/09/2008 |
| 7398165 | Intelligent signal processor for vortex flowmeter The present invention discloses an intelligent signal processor of a vortex flowmeter, the signal processor mainly adopts a digital signal processor structure for processing a flow rate of a fluid. The signal processor uses two different algorithms, one primarily us... | 07/08/2008 |
| 7398170 | System for transmitting dynamic data Disclosed is a system for transmitting dynamic data over a network to a computer resource, the system including at least one receiver configured to receive dynamic data and convert dynamic data into a digitized sinusoidal signal, and a computing resource configured ... | 07/08/2008 |
| 7373258 | Method for monitoring and regulating selective hydrogenation of olefinic gasoline fractions This invention describes a method for determining the content of conjugated diolefins by means of the measurement of the MAV of a sample of catalytic cracking gasoline or thermal cracking gasoline, from its NIR (near-infrared) spectrum, and the application of said m... | 05/13/2008 |
| 7369953 | Femtosecond spectroscopy using minimum phase functions A method determining a transient response includes providing a measured magnitude of the Fourier transform of a complex electric field temporal profile of a pulse sequence comprising a probe pulse and a dummy pulse, wherein the probe pulse is indicative of the trans... | 05/06/2008 |
| 7366620 | Evaluation method of fine pattern feature, its equipment, and method of semiconductor device fabrication Equipment extracts components of spatial frequency that need to be evaluated in manufacturing a device or in analyzing a material or process out of edge roughness on fine line patterns and displays them as indexes. The equipment acquires data of edge roughness over ... | 04/29/2008 |
| 7366559 | Nuclear magnetic resonance apparatus and method for assessing whole body composition A method is disclosed for measuring whole body composition. The method includes confining movement of the body to a selected volume, inducing a static magnetic field in the volume, inducing a pulsed radio frequency magnetic field in the volume, and receiving nuclear... | 04/29/2008 |
| 7342581 | Method and apparatus for displaying 3-D state indicators A method for presenting a user selected status of an object in a three dimensional graphic display is disclosed. The method includes the step of receiving a request to select a property of an object for display. The method further includes the step of displaying at ... | 03/11/2008 |
| 7340375 | Method and apparatus for noise floor estimation A method and device are provided for an improved system and method of estimating the noise floor of a wideband signal without full knowledge of the nature of the narrowband signals contained therein, and provides digital characteristics to allow real-time signal pro... | 03/04/2008 |
| 7328114 | Methods and systems for measuring a rate of change of frequency A method for measuring a rate of change of frequency includes estimating at least one phasor value, estimating a frequency based on the estimated at least one phasor value, compensating the estimated at least one phasor value based on the estimated frequency, calcul... | 02/05/2008 |
| 7323673 | Modulated laser light detector with discrete fourier transform algorithm A modulated laser light detector that converts laser light energy into electrical signals which exhibit a frequency that is substantially the same as the laser light modulation frequency, in which these signals allow the detector unit to determine a position where t... | 01/29/2008 |
| 7321645 | Method and arrangement for detecting a random access channel preamble using multiple antenna reception in a communication system In a method and arrangement for detecting a random access channel preamble in a received uplink signal, the uplink signal is received at one or more receive antennas and contains data related to a random access channel preamble. The received uplink signal is subject... | 01/22/2008 |
