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8965727 Intelligent low noise design  
An automated phase noise test measurement system includes a software controlled phase shifter to maintain quadrature so that a carrier may be removed from a signal provided by UUT. In this...
8949061 Method and apparatus for detecting the presence of a DTV pilot tone in a high noise environment  
A DTV pilot tone is detected in a noisy environment by computing a power average of Fast Fourier Transform (FFT) output spectra of a received signal, finding a power peak in the averaged outputs,...
8687869 System and method for acceleration of image reconstruction  
A method for reconstructing an image from emission data includes generating a compressed point-spread function matrix, generating an accumulated attenuation factor; and performing at least one...
8687742 Device and method for gathering ensemble data sets  
An ensemble detector uses calibrated noise references to produce ensemble sets of data from which properties of non-stationary processes may be extracted. The ensemble detector comprising: a...
8531190 Power supply noise measuring circuit and power supply noise measuring method  
A power-supply noise measuring circuit includes a voltage fluctuation detecting circuit, a unit time generating circuit, a current measuring circuit, and a sampling circuit. The voltage...
8423312 Voltage-sensed system and method for anti-islanding protection of grid-connected inverters  
A method is provided for preventing islanding of a power source connected to an electric AC grid via an interface. The method senses an output voltage waveform of the interface, controls an output...
8225252 Systems, methods, apparatus and computer readable mediums for use in association with systems having interference  
In some embodiments, a method includes characterizing a plurality of channels, each of the plurality of channels being a channel between a location and a respective one of the plurality of...
8219286 Noise reduction for occupant detection system and method  
An occupant detection system with noise reduction, a controller having noise reduction for an occupant detection system and a method for reducing noise in an occupant detection system. A high...
8214163 Envelope generation algorithm  
A time domain measurement method and apparatus are provided. The method comprises the steps of acquiring a burst signal and determining a plurality of min/max values of the burst signal. The...
8170829 Tester bundle  
An apparatus for testing multiple Small Form-Factor Pluggable Plus (SFP+) ports comprising: a first testing module; a second testing module; and a communications link coupled with the first and...
8155912 Sensor network calibration  
The invention concerns a method for determining a calibration value indicating the extent of loss of calibration of a group of three or more sensors in a sensor network, the method involving...
8131492 Method of evaluating a film  
A method of directly measuring hydrogen permeability of a film is provided. The method of evaluating a film includes acquiring, with respect to a specimen including a plurality of films stacked on...
8094736 Apparatus and method for estimating noise power in frequency domain  
An apparatus and a method for estimating noise power in frequency domain are provided. The apparatus and the method are applied to a state where no packet is transmitted over the channels. And the...
8068538 Jitter measuring apparatus, jitter measuring method and test apparatus  
There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement, having a pulse generator for outputting a pulse signal having a pulse width set in advance...
8014967 Low-noise source  
In one embodiment, a low-noise source includes: a signal source; a variable amplifier adapted to amplify an output signal from the signal source to provide an amplified signal; a feed-forward...
7945413 Voltage-sensed system and method for anti-islanding protection of grid-connected inverters  
A method is provided for preventing islanding of a power source connected to an electric AC grid via an interface. The method senses an output voltage waveform of the interface, controls an output...
7937629 Semiconductor memory apparatus having noise generating block and method of testing the same  
Disclosed are a semiconductor memory apparatus and a method of testing the same. The semiconductor memory apparatus includes memory banks, each of which includes a plurality of memory cells, a...
7926012 Design-For-testability planner  
A method is provided to improve the usability of Design-For-Testability Synthesis (DFTS) tools and to increase the design process productivity. The method comprises receiving a list of testability...
7778319 Jitter measuring apparatus, jitter measuring method and test apparatus  
There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement having a first pulse generator for detecting edges of the data-signal-under-measurement to output...
7693674 Low-noise source  
In one embodiment, a low-noise source includes: a signal source; a variable amplifier adapted to amplify an output signal from the signal source to provide an amplified signal; a feed-forward...
7668667 Miniature stimulating and sensing system  
An electronic system for testing a material includes at least one module for mechanically mounting on the material. The module includes a signal generator for generating a signal generator signal....
7620514 Method and arrangement for correcting an angle-measuring and/or distance-measuring sensor system  
In a method and a system for correcting an angle-measuring and/or distance-measuring sensor system, sinusoidal and cosinusoidal measurement signals (xi, yi) obtained by scanning a moved object of...
7616767 Method and device for determining acoustical transfer impedance  
The method comprises generating an acoustical volume velocity Q in the listening position, measuring a response quantity p, such as sound or vibration, at a suspected source position resulting...
7539599 Abnormality diagnosing method, condition appraisal apparatus, image forming apparatus, management apparatus and management system  
Abnormality diagnosing method in which a highly reliable abnormality diagnosis of an image forming apparatus can be initiated immediately following the delivery of the image forming apparatus to a...
7496137 Apparatus for measuring jitter and method of measuring jitter  
There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement, including a pulse generating section having first pulse generating means for detecting edges of...
7421362 Method for analyzing a drive system  
A method is for analyzing a drive system, according to which a transfer function of a target system in the drive system is determined by applying noise signals to the drive system. Several noise...
7313496 Test apparatus and test method for testing a device under test  
A testing apparatus for testing a device under test (DUT) includes a performance board; a main frame for generating a test signal for testing the DUT and determining pass/fail of the DUT based on...
7254508 Site loops  
A method for use with a test system having sites that hold devices under test (DUTs) includes executing a first site loop to iterate through the sites, where the first site loop includes an...
7177772 System and method for generating and measuring noise parameters  
A method for measuring noise parameters includes generating a noise signal at a noise source. The noise signal includes a first input signal at a first frequency and a second input signal at a...
7072777 Exposure apparatus anti-vibration apparatus, system identification apparatus and system identification method  
An exposure apparatus includes a motion control system, the motion control system including a structure, a plurality of actuators to apply forces to the structure, respectively, and a plurality of...
7007252 Method and apparatus for characterizing the propagation of noise through a cell in an integrated circuit  
One embodiment of the invention provides a system that characterizes cells within an integrated circuit. During operation, the system obtains a number of input noise signals to be applied to the...
6988057 Methods for designing a chamber to reduce noise in a duct  
Low-frequency duct noise is relatively difficult to deal with by passive methods such as porous duct lining. Reactive methods like expansion chamber are rather bulky, while compact resonators are...
6980915 Phase noise compensation for spectral measurements  
A system and method compensate for phase noise of a spectrum analyzer based on an established model of the phase noise that accommodates a variety of operating states of the spectrum analyzer. The...
6931341 Automatic adjusting method for measuring equipment and apparatus using the same  
An apparatus that automatically adjusts self-noise and can lower the lower limit value of a measurement range by reducing the effects of self-noise on measured values. This apparatus corrects...
6859763 Technique for computing a measure on an ultrasonic signal having application to identify valve defects in operating engines  
A measurement technique that generates a number value identifying the width of a noisy pulse in an analog signal that has particular application for determining whether a defect exists in a...
6853940 Anti-islanding device and method for grid connected inverters using random noise injection  
A device and method for detecting islanding of a grid connected inverter makes use of an injected white noise as a perturbing force on the output voltage of the inverter. The white noise is...
6813577 Speaker detecting device  
By the speaker detecting device, the test signal is supplied to the output terminal to which the speaker is to be connected. If a speaker is connected to the output terminal, the test sound is...
6662132 Noise analyzing method and apparatus and storage medium  
A noise analyzing method analyzes a crosstalk noise based on circuit data in which buses having the same signal transmitting direction and buses having opposite signal transmitting directions are...
6622117 EM algorithm for convolutive independent component analysis (CICA)  
In connection with blind source separation, proposed herein, inter alia, are: expectation-maximization equations to iteratively estimate unmixing filters and source density parameters in the...
6526365 Low-power/wideband transfer function measurement method and apparatus  
The invention is a method of measuring transfer functions of a physical system using a wideband excitation signal by exciting the system with a low-power, wide band input signal that has a rich...
6393372 Automated frequency stepping noise measurement system  
A noise measurement test system is provided for making phase noise measurements of a unit under test (UUT). The noise measurement test system comprises a variable amplifier, a variable low noise...
6167359 Method and apparatus for characterizing phase noise and timing jitter in oscillators  
A nonlinear analysis for characterizing phase noise and timing jitter in oscillators is disclosed. The method and apparatus utilize a nonlinear differential equation to characterize the phase...
6112161 Method, apparatus, and article of manufacture for enhanced intergration of signals  
A method, apparatus, and article of manufacture for enhanced integration of signals, such as those generated by chromatographs. In one embodiment an approximate baseline used for integration of a...
6092027 Apparatus for detecting and recording a conduction noise, a radiation electromagnetic field noise and a discharge noise  
A noise detecting and recording apparatus which can be widely used for countermeasures against malfunction of electronic equipment which is caused by noises is provided. The apparatus is provided...
5943637 Noise analyzing apparatus for analyzing noise of autonomous system by simulation  
A noise analyzing apparatus includes an input unit for inputting a structure of an autonomous system, parameter values and analysis conditions, a periodic steady-state solution calculating unit...
5819206 Method and apparatus for determining position and orientation of a moveable object using accelerometers  
A three-dimensional position and orientation tracking system uses accelerometers to measure acceleration of a moveable object (e.g., a head-mounted display unit or a data glove). A tracking...
5726915 Automated system for testing an imaging sensor  
An automated system and method for testing a sensor by evaluating the output thereof with respect to a known target. The advantageous method includes the step of acquiring an output signal from...
5703797 Method and apparatus for testing acoustical devices, including hearing aids and the like  
A method and apparatus for testing hearing aids under condition of actual use where a microprocessor is programmed to generate a warbled pure tone and analyses of the signal as processed by the...
5572440 Motor vehicle vibrating system and method of controlling same  
A motor vehicle vibrating system vibrates a motor vehicle having front and rear axles rotatably supported on a motor vehicle frame to simulate the load which would be applied from an actual road...
5561611 Method and apparatus for signal restoration without knowledge of the impulse response function of the signal acquisition system  
A noisy signal obtained from an acquisition system, such as a conventional or confocal microscope, is reconstructed in a manner which simultaneously estimates the true or ideal signal as well as...
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