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7620510 |
Pulsed ring oscillator circuit for storage cell read timing evaluation
A pulsed ring oscillator circuit for storage cell read timing evaluation provides read strength information. A pulse generator is coupled to a bitline to which the storage cell to be measured is...
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7620509 |
Detection of time-frequency codes using a spectrogram
A frequency hopping pattern of a frequency hopping signal is detected by use of spectrogram-generating software in a digital storage oscilloscope. By using a spectrogram, a hopping pattern can be...
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7620508 |
Terahertz detection using a multi-mode signal
A technique for generating and detecting an EM signal in the THz range involves generating EM energy having multiple modes, selecting at least two of the modes of the EM energy to provide a...
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7617431 |
Method and apparatus for analyzing delay defect
The apparatus for analyzing a delay defect of the present invention obtains the RC of the maximal incidence among region codes (RCs) to which check circuits detecting errors caused with gradual...
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7616927 |
Method and apparatus to reduce multipath effects on radio link control measurements
One or more median filter circuits are used to filter radio link control measurements corresponding to one or more radio link parameters of interest, such as received signal quality or round trip...
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7610161 |
Wander gamut display
A wander gamut display for perturbation analysis is created by determining from a periodic input data signal and a reference clock a frequency offset and frequency drift rate for the input signal....
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7603243 |
Method and error location in branched low voltage and medium voltage networks and evaluation circuit used thereof
The invention relates to a method for error location in branched low voltage and medium voltage networks and to an evaluation network used therefor. The inventive method consists of the following...
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7601126 |
Lameness evaluation systems and methods
A wireless sensor-based lameness evaluation system detects and analyzes patterns of vertical head and pelvic motion of a four-legged animal in correlation with at least one limb movement. The...
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7587015 |
Asynchronous digital data capture
The present invention provides asynchronous digital capture by first, capturing the digital output of the device under test (DUT) clock on an automated test equipment (ATE) digital channel. Next,...
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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...
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7574312 |
Semiconductor device and communications terminal and automobile having the same
A semiconductor device is disclosed in which resistance to the influence of external noise on internal power source network is improved. A semiconductor device operating at any predetermined...
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7574253 |
Signal processing using non-linear regression with a sinusoidal model
A method for processing signals, such as a tomography signal, in the time domain provides both high spatial resolution and high frequency resolution but at low cost. The method uses non-linear...
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7567877 |
System and method for computing the frequency of a low frequency wave
The present invention provides a system for computing the frequency of a low frequency wave. The system includes: a wave producer ( 3 ) configured for sending out a first wave with a high...
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7552018 |
Method for quickly quantifying the resistance of a thin film as a function of frequency
The present invention provides a baseline function, viz., a transmission-related parameter (transmission loss, transmission coefficient, etc.) as a function of resistance of a uniformly resistant...
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7546230 |
Electromagnetic response model with improved high frequency stability
A model for modeling electromagnetic response in a conductor and in dielectric, a method of modeling the electromagnetic response in the conductor and dielectric and a program product therefor....
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7539582 |
Apparatus and method for detecting and analyzing spectral components in predetermined frequency bands within a signal, frequency filter, and related computer-readable media
An apparatus for detecting spectral components in a predetermined frequency band within a signal includes first and second processing devices and first, second, and third connectors tuned to the...
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7536272 |
Method and device for estimating the total mass of a motor vehicle
A method for estimating the total mass of a motor vehicle by a recursive least squares algorithm. The method involves a vehicle longitudinal acceleration computing according to a fundamental...
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7519513 |
High bandwidth real time oscilloscope
A method and apparatus for digitizing a data signal, the method comprising the steps of receiving an input analog data signal, splitting the received input analog data signal into a plurality of...
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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...
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7474972 |
Bandwidth multiplication for a test and measurement instrument using non-periodic functions for mixing
An acquisition apparatus for a test and measurement instrument including a splitter configured to split an input signal into a plurality of split signals, a plurality of oscillators, each...
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7460967 |
Selectable navigation to automatically discovered events within the acquisition record of a digital sampling oscilloscope
Events discovered by an automatic measurement subsystem in the trace of a DSO are visited using a set of event navigation controls. In a TIME Mode the controls operate to display the first of those...
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7454306 |
Frequency margin testing
A technique for performing frequency margin testing of communications system circuit boards incorporates a frequency agile clock source on a communications system circuit board. The clock source...
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7454301 |
Method and apparatus for predicting system noise
A jitter calculator engine that includes a core effects module, an input/output (I/O) module, and a phase lock loop (PLL) module is provided. The core effects module estimates core jitter caused by...
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7453963 |
Subtractive cancellation of harmonic noise
A common problem in audio processing is that a useful signal is disturbed by one or more sinusoidal noises that should be suppressed. One embodiment of the invention provides a method of canceling...
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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...
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7437272 |
Systems and methods for self-synchronized digital sampling
Systems and methods for self-synchronized data sampling are provided. In one embodiment, a system for capturing synchronous data samples is provided. The system includes an analog to digital...
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7437253 |
Parametrically disciplined operation of a vibratory gyroscope
Parametrically disciplined operation of a symmetric nearly degenerate mode vibratory gyroscope is disclosed. A parametrically-disciplined inertial wave gyroscope having a natural oscillation...
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7430484 |
Signal processing method and apparatus for use in real-time subnanometer scale position measurements with the aid of probing sensors and beams scanning periodically undulating surfaces such as gratings and diffraction patterns generated thereby, and the like
An improved signal processing method and apparatus are presented for use in real-time sub-nanometer scale position measurements with the aid of probing sensors and/or beams scanning periodically...
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7428464 |
Wideband signal analyzer
A wideband signal analyzer has a plurality of frequency conversion paths for simultaneously processing different contiguous frequency bands of an input signal. Each frequency conversion path...
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7421356 |
Method and apparatus for measurement of fuel cell high frequency resistance in the presence of large undesirable signals
A method and apparatus for a high frequency resistance measurement instrument with a reasonable dynamic range, which militates against saturation in the presence of one or more large undesirable...
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7415373 |
Method of measuring frequency translation device
A method for measuring a frequency translation device under test by using a vector network analyzer and a reference frequency translation device that includes measuring the network characteristics...
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7415370 |
Method of compressing values of a monitored electrical power signal
A method of compressing values of a waveform of a monitored electrical power signal. The method includes acquiring data representative of periods of the waveform, decomposing the waveform of the...
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7411867 |
Stable composite clock
Apparatus and method for producing a composite clock signal with optimized stability characteristics from individual clocks which have different stabilities or variances. The composite clock signal...
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7409305 |
Pulsed ring oscillator circuit for storage cell read timing evaluation
A methor for storage cell read timing evaluation provides read strength information by using a pulsed ring oscillator. A pulse generator is coupled to a bitline to which the storage cell to be...
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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...
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7395163 |
Method of detecting system function by measuring frequency response
Real time battery impedance spectrum is acquired using one time record, Compensated Synchronous Detection (CSD). This parallel method enables battery diagnostics. The excitation current to a test...
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7373281 |
High bandwidth oscilloscope
A method for improving bandwidth of an oscilloscope involves, in preferred embodiments, the use of frequency up-conversion and down-conversion techniques. In an illustrative embodiment the...
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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,...
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7356423 |
Apparatus and method for reading out a differential capacity with a first and second partial capacity
An apparatus for reading out a differential capacity with a first and second partial capacity includes a first oscillator having a first frequency-determining element connectable to the first...
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7353127 |
Apparatus and method for detection and quantification of oscillatory signals
A method of determining the location in time of maxima and/or minima of an oscillatory signal. The method may have application to measurement of biological signals, in particular measurement of...
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7353126 |
Method of determining coherent test conditions
A method of determining coherent test conditions is disclosed. The method includes receiving constraints from a user, wherein the constraints include desired test conditions, desired tolerances for...
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7346464 |
Gait waveform feature extracting method and individual identification system
A gait waveform feature extracting method and an individual identification system extract features of the gait waveform. A one-step waveform corresponding to one step of a walking movement is...
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7330799 |
Method and algorithm for using surface waves
A method and an algorithm allowing the use of surface waves. In particular, the method uses separation of the modes and, by the dispersion curve of more than one mode in the inversion process, it...
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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...
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7313491 |
Method and apparatus for high-precision measurement of frequency
A method and apparatus for measuring the frequency of a cyclically-repeating electrical signal by: passing the electrical signal through a network of sequentially-activated gates, in which the...
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7305311 |
Arc detection and handling in radio frequency power applications
A radio frequency power delivery system comprises an RF power generator, arc detection circuitry, and control logic responsive to the arc detection circuitry. A dynamic boundary is computed about...
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7299166 |
System and method for characterizing and simulating a frequency translation device
The present invention is a system and method of characterizing and simulating frequency translation devices. By supplying a stimulus condition as input to the frequency translation device,...
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7292948 |
Magnetic position and orientation measurement system with eddy current distortion compensation
Techniques for removing distortion in an AC magnetic tracker identify a characteristic frequency in the distortion environment which is then utilized to extract distortion components from the...
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7281182 |
Method and circuit using boundary scan cells for design library analysis
A boundary scan register circuit and a method of characterization testing. The boundary scan register circuit, including: a multiplicity of boundary scan cells connected in series, each boundary...
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7277816 |
Tire grip sensor and control system using the sensor
A system for directly measuring tire grip conditions is provided which can measure a skidding condition with no need of applying a vibration. A tire rotation speed sensor comprising a detection...
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