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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...
8949099 Method and system for steady state simulation and noise analysis of driven oscillators  
In a circuit simulation tool in a computer system having one or more computer processors and computer-readable storage, a method for characterizing a driven oscillator circuit having an oscillator...
8924175 Apparatus and method for performing burst triggering in a test and measurement instrument  
A test and measurement apparatus, system, and method for synchronizing an acquisition or triggering system to a specific burst of interest. The subject apparatus and method triggers on varying...
8887120 Timing path slack monitoring system  
An on-chip timing slack monitor that measures timing slack at the end of a critical path includes a master-slave flip-flop having a tap on the Q output of the master and a logic module coupled to...
8791689 Oscilloscope probe  
Disclosed is a probe for an oscilloscope comprising a multi-stage transistor amplifier that acts as an impedance transformer. Said amplifier is a d.c.-coupled emitter follower circuit that is...
8755754 Methods for detecting and classifying signals transmitted over a radio frequency spectrum  
A method for classifying a signal is disclosed. The method can be used by a station or stations within a network to classify the signal as non-cooperative (NC) or a target signal. The method...
8751097 State estimation, diagnosis and control using equivalent time sampling  
A method and system for using Equivalent Time Sampling to improve the effective sampling rate of sensor data, and using the improved-resolution data for diagnosis and control. Data samples from...
8744637 Methods and apparatus for detecting the clearance of fault in shunt reactor compensated transmission lines  
The objective of this patent is to describe novel methods and device systems for detecting the fault-cleared state in a shunt compensated transmission line. The methods are applicable in all types...
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...
8694273 Method and apparatus for adaptive real-time signal conditioning and analysis  
The present invention constitutes a method, processes, and apparatus for measurement and analysis of variables of different type and origin. In particular, the invention presents a method and...
8666689 Phase noise analysis of oscillator circuit designs  
In one embodiment of the invention, a method and a system for phase noise analysis of oscillators is provided using frequency aware perturbation projection vector techniques. The method and system...
8548763 Variable sensing using frequency domain  
Embodiments of a method and apparatus for variable sensing using the frequency domain are taught herein. An exposure of a system to a physical variable is determined by periodically sensing the...
8532230 Instantaneous phasor determination for poly-phase electrical grids  
In one embodiment, three substantially simultaneous phase waveforms may be converted into a first quadrature signal and a zero sequence signal. For each phase waveform, a power system digital...
8527227 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...
8514919 Synthetic instrument unit  
Systems and other embodiments associated with synthetic instrumentation are presented. A reconfigurable synthetic instrumentation unit comprises an input module, with dual input/output ports and...
8502522 Multi-level triggering circuit  
Circuitry includes a comparator to compare an input analog signal to a threshold and to output a signal that is based on the comparison; a first circuit path to receive the signal and to detect a...
8467996 Spectral analysis operating system  
Collecting and analyzing spectral data can be challenging when multiple analysis instruments need to be integrated and monitored by a quality control agent within a laboratory, industrial plant,...
8457914 Apparatus and method for obtaining phase corresponding to object position  
The apparatus corrects multi-phase signals for detecting a position of an object and obtains a phase corresponding to the position of the object. The apparatus includes a correcting unit...
8442788 Measuring device, test device, electronic device, measuring method, program, and recording medium  
Provided is a measurement apparatus that measures a signal under measurement, including a strobe timing generator that sequentially generates strobes arranged at substantially equal time...
8437969 Accurate magnetic field sensor and method for wireless phasor measurement unit  
A phasor measurement unit and method including a transducer for transduction measurement of an electrical characteristic of a current carrying element in electrical power generation or...
8301279 Signal processing apparatus, signal processing method, and program therefor  
A signal processing apparatus subjects an audio signal to musical pitch analysis using different analysis techniques for the higher and lower frequencies. When an audio signal is input, a first...
8271221 Phase detection device and position detection device  
Provided is a phase detection device which can detect a phase by using a simple configuration. The phase detection device 5 has the section specifying part 27 specifying which of the eight...
8249838 Method and apparatus for modeling memristor devices  
A method and apparatus for modeling the characteristics of memristor devices. The invention provides methods and an apparatus for accurately characterizing the linear and non-linear Lissajous...
8219322 Processing of stratigraphic data  
A method of processing stratigraphic data comprising a plurality of stratigraphic features, such as horizon surfaces, within a geological volume is provided. The method includes the steps of:...
8214160 State detection device, state detection method, state detection program, and information recording medium  
A state detecting apparatus S for detecting a current operating state of an LM (linear motion) system includes an AE sensor 1 generating a detection signal Sae by detecting an AE wave elastically...
8185334 Methods and systems for filtering a digital signal  
Aspects of the present invention are related to systems and methods for removing spikes and/or speckle noise from a digital signal. In some embodiments of the present invention, an input signal is...
8159208 Hand-held microwave spectrum analyzer with operation range from 9 KHz to over 20 GHz  
A spectrum analyzer is provided that includes components to achieve from below 9 kHz to above 20 GHz operation range while remaining hand-held. Components of the spectrum analyzer include an...
8095328 Systems and methods for monitoring moving surfaces  
This present specification provides, amongst other things, an electro-optical monitoring system for obtaining a once-per-revolution signal based on the surface reflection of a rotating device that...
8068993 Diagnosing inapparent diseases from common clinical tests using Bayesian analysis  
A system and method of diagnosing diseases from biological data is disclosed. A system for automated disease diagnostics prediction can be generated using a database of clinical test data. The...
8055077 R/T display compression preserving intensity information  
A realtime display compression for a waveform image uses a priority basis for combining groups of pixels when producing a compressed waveform image in order to preserve intensity information. As...
8055204 Methods for detecting and classifying signals transmitted over a radio frequency spectrum  
A method for classifying a signal is disclosed. The method can be used by a station or stations within a network to classify the signal as non-cooperative (NC) or a target signal. The method...
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...
8041538 Estimating of the amplitude of a noisy binary signal  
A method and a device for estimating a first value of a signal formed of a series of values corresponding either to the first value or to a second value equal to the opposite of the first value,...
8032319 Methods for analyzing streaming composite waveforms  
Methods for signal processing employ instantaneous frequency analysis through quadrature genometric measurement of streaming signal data. Such methods may include the analysis of any composite...
8000917 Method and system for S-parameter capture  
A periodic broadband signal can be used to determine the S21 measurement for a channel by stimulating the channel across a spectrum of interest. The channel response to such broadband signal can...
7973584 Waveform generator  
Timing setting data include an arbitrary combination of a set timing signal indicating a positive edge timing and a reset timing signal indicating a negative edge timing. A sort unit sorts n...
7970564 Enhancement techniques for blind source separation (BSS)  
This disclosure describes signal processing techniques that can improve the performance of blind source separation (BSS) techniques. In particular, the described techniques propose pre-processing...
7966156 Method, computer program, and system for intrinsic timescale decomposition, filtering, and automated analysis of signals of arbitrary origin or timescale  
A method and system for intrinsic timescale decomposition, filtering, and automated analysis of signals of arbitrary origin or timescale including receiving an input signal, determining a baseline...
7885421 Method and system for noise measurement with combinable subroutines for the measurement, identification and removal of sinusoidal interference signals in a noise signal  
An approach is provided for measuring, identifying, and removing at least one sinusoidal interference signal (Ak·ej(ωkt+φk), Ak·ej(μ·ωkΔt+φk)) in a noise signal (w(t), w(μ·Δt)). A frequency range...
7860675 Pattern inspection apparatus, pattern inspection method, and pattern inspection program  
The present invention has an object of realizing a defect inspection estimated at high accuracy by preparing a reference image that reflects the change of the blur with time from a sampled image...
7856330 Measuring apparatus, testing apparatus, and electronic device  
A measuring apparatus measures a signal-under-test having a signal level that changes at predetermined bit time intervals. A strobe timing generator sequentially generates strobes at even time...
7856329 Method and apparatus for processing an under-sampled chirped sinusoidal waveform using a complex-heterodyne  
A method of processing data acquired by under-sampling a chirped, sinusoidal waveform comprises complex-heterodyning the under-sampled data with a chirped signal having characteristics similar to...
7840356 Method for determining receiver orientations  
Method for completely specifying orientation of electromagnetic receivers dropped to the ocean bottom in an electromagnetic survey. Survey data are selected, rejecting noisy data with long offsets...
7822579 Interference rejection through circle fitting  
A method and apparatus for measuring electrical signals measures an electromagnetic wave having an interference component at a center frequency and at multiple times to obtain data points. The...
7805267 Apparatus, method and program for verification of transmission margin  
The present invention relates to verification of a transmission margin of various transmission lines transmitting a signal such as a high-speed digital signal and ensures improved verification...
7797116 System and method of acoustic detection and location of fire sprinkler water discharge  
A system and method to detect acoustic signals from fire sprinkler heads discharging water and to locate such devices in a public building, airport, sports stadium or other structure which can...
7783335 Device for monitoring anatomical unit or a radiotherapy unit  
The invention concerns a device for monitoring an imaging or radiotherapy unit (1) for treating members of the human body subject to displacements related to movements of the diaphragm. The...
7751996 Measurement system for determining desired/undesired ratio of wireless video signals  
A D/U ratio is measured for desired and undesired signals in a wireless video transmission system at a shared channel frequency based on a received signal at a geographic location in proximity to...
7734435 Systems and methods for monitoring moving surfaces using light signals  
This present specification provides, amongst other things, an electro-optical monitoring system for obtaining a once-per revolution signal based on the surface reflection of a rotating device that...
7725276 Signal waveform analyzing device  
A signal waveform analyzing device includes an extracting unit that extracts, from waveform information indicating temporal variation in signal level of a component of an electronic circuit, a...

Matches 1 - 50 out of 156 1 2 3 4 >