Matches 1 - 50 out of 355 1 2 3 4 5 6 7 8 >


Match Document Document Title
8990033 Monitoring operational conditions of a cargo ship through use of sensor grid on intermodal containers  
A computer-implemented method, system, and/or computer program product monitors operational conditions of a cargo ship. A baseline composite vibration pattern is established from readings...
8963733 System and method for blind fault detection for rotating machinery  
A system includes more sensors configured to measure one or more characteristics of rotating equipment and a blind fault detection device. The blind fault detection device includes an input...
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...
8942939 Real-time detection system and the method thereof  
The invention discloses a real-time detection system for detecting the real-time machining by a rotating machine or rotating quality thereof. The real-time detection system comprises a signal...
8890060 Method of processing image charge/current signals  
A method of processing an image charge/current signal representative of trapped ions undergoing oscillatory motion. The method includes applying a validity test to each of a plurality of peaks in...
8882883 Apparatus and methods to monitor and control cyclic process units in a steady plant environment  
Apparatus and methods are disclosed that allow for the monitoring and analysis of production process data for a multi-step asynchronous cyclic production process (e.g. pressure swing adsorption)...
8874374 Optical turbulence sensor  
A method and system for determining a rate of turbulent kinetic energy dissipation (TKED) in a turbulent fluid environment are provided. A light source provided at a first end of a predetermined...
8843336 Trigger event detection apparatus and method therefor  
A method of detecting a trigger event includes receiving an input signal for analysis. The received input signal is used to generate first data corresponding to sequential sets of spectral output...
8818746 Crack detection in thick-walled cylinders  
A simple, inexpensive, and fast method of establishing if a defect does or does not exist within a thick-walled solid geometry, which is especially useful to detect if such a defect, a crack,...
8804129 Method and apparatus for performing film thickness measurements using white light scanning interferometry  
The invention relates to a method and an apparatus for measuring the thickness of a transparent film by broad band interferometry, comprising the steps of preparing a correlogram of the film by an...
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...
8731857 Method and apparatus for generating a gated density bitmap  
A test and measurement instrument converts digital data that represents an input signal into a series of frequency spectra and accumulates frequency spectra into a bitmap database in response to a...
8706435 Signal detection and triggering using a difference bitmap  
A test and measurement instrument converts digital data that represents an input signal into a plurality of bitmaps, and then subtracts one of the bitmaps from another one of the bitmaps to...
8676543 Determining the resonance parameters for mechanical oscillators  
Mechanical oscillators employ the use of resonance parameters, frequency and the quality factor Q, for the measurement of corrosion or deposition. The ability of a mechanical oscillator to measure...
8674680 Method and device for fast measurement of frequency response with scalable short chirp signals  
A method and device are provided for fast impedance measurement of a biological object having dynamically varying in time parameters, wherein a titlet shaped pulse is introduced into the object...
8639462 Method and system for determining the time-of-flight of a signal  
A method of estimating the time of flight of a burst signal includes: receiving the burst signal; determining the slope of the phase characteristic of the Fourier transform of the received burst...
8612182 Methods and systems for isolating a frequency in a rotating machine  
A method of isolating a frequency in a rotating machine having at least one sensor includes receiving, from the at least one sensor, a sensor signal that includes at least one frequency,...
8607093 Systems and methods for detecting machine faults in network using acoustic monitoring  
Embodiments relate systems and methods for detecting machine faults in a network using acoustic monitoring. In embodiments, one or more servers, clients, or other machines in a managed network can...
8594961 Remote interrogation of a passive wireless antenna sensor  
The condition of a structure using remote interrogation of a multi-state passive wireless antenna sensor that has a known resonant frequency when mounted on the structure. The passive wireless...
8582675 Pre-channelized spectrum analyzer  
A pre-channelized spectrum analyzer utilizes a channelizer as a preprocessor for parallel-configured low-resolution spectrum analyzers so as to perform as a high resolution spectrum analyzer. The...
8532207 Methods and systems for distinguishing a signal of interest from interference signals  
A method for distinguishing a signal of interest from one or more interference signals in a received analog signal comprises receiving an analog signal at a radio front end, and transmitting the...
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...
8515676 Method and apparatus for assessing the integrity of a rock mass  
A method for assessing the integrity of a rock mass, the method including impacting the rock mass, capturing an acoustic signal generated as a result of the impact, deriving a frequency...
8504209 Controlling a device that generates vibrations in a computer system  
Some embodiments of the present invention provide a system that controls a device that generates vibrations in a computer system. During operation, a critical vibration frequency is determined for...
8457913 Computer system with integrated electromagnetic-interference detectors  
Embodiments of a system that determines a condition associated with an integrated circuit disposed on a circuit board are described. During operation, the system receives...
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...
8452571 Trigger figure-of-merit indicator  
A real-time trigger figure-of-merit indicator for test and measurement instruments provides an indication of how close a signal-under-test is to satisfying a relevant trigger condition. The...
8421440 Apparatus for spectrum sensing and associated methods  
In one embodiment, an apparatus comprises a nano-scale spectrum sensor configured to be electromagnetically excitable at a predetermined frequency based on received ambient electromagnetic...
8407023 Robotically controlled catheter and method of its calibration  
A method of calibrating a robotic device, such as a cardiac catheter, includes oscillating the device on an actuation axis by applying an oscillation vector at an oscillation frequency. While...
8407268 Method for determining an optimum sampling frequency, and a power analyzer performing the method  
A method for determining an optimum sampling frequency to be performed by a power analyzer includes the following computer-implemented steps: sampling a time domain signal to obtain a sampling...
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...
8392133 Method for measuring shear wavespeed in an isotropic plate  
Using a mechanical shaker test the shear wavespeed in a plate is estimated by applying a cyclical point force to the plate, measuring normal velocity of waves caused by the force, transforming...
8355881 Device and process for machine diagnostics by means of vibration measurement  
A device for machine diagnostics, with a vibration sensor (12) for detecting vibration signals on the machine (10), a unit (14) for conditioning the vibration signals, an A/D converter (16) for...
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...
8296087 Interrogation method for passive wireless sensor interrogation system  
A method of wirelessly interrogating a sensing device comprising a plurality of passive sensors, to determine a measurement parameter, comprises the steps of repeatedly interrogating the sensing...
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...
8224603 Frequency offset estimating apparatus and estimating method thereof  
A frequency offset estimating apparatus includes an nth power computing module and a spectrum analyzing module. By raising a received signal to nth power to generate an nth power signal and...
8219350 Apparatus for measuring a frequency-domain optical coherence tomography power spectrum from a sample  
An apparatus is provided for measuring a frequency-domain optical coherence tomography power spectrum from a sample. The apparatus includes a partially reflective element configured to be...
8211022 Systems and methods for assessing dynamic cerebral autoregulation  
A method for dynamic cerebral autoregulation (CA) assessment includes acquiring a blood pressure (BP) signal having a first oscillatory pattern from a first individual, acquiring a blood flow...
8195395 System for monitoring, determining, and reporting directional spectra of ocean surface waves in near real-time from a moored buoy  
A moored buoy floating at the ocean surface and anchored to the seafloor precisely measures acceleration, pitch, roll, and Earth's magnetic flux field of the buoy over a limited sampling period....
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...
8169172 Synchronous disturbance suppression in a variable speed motor drive  
A variable speed drive for an electric motor has an inverter for receiving pulse width modulation controls. The inverter communicates power signals to a poly-phase electrical motor. A resolver...
8155910 Robotically controlled catheter and method of its calibration  
A method of calibrating a robotic device, such as a cardiac catheter, includes oscillating the device on an actuation axis by applying an oscillation vector at an oscillation frequency. While...
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...
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...
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...
8127138 Method for embedding information in sonar  
The invention as disclosed is of a method to authenticate identify and trace sonar transmissions and echoes by embedding transparent, secure and robust digital watermarks in signal space, where...
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...
8113048 Dynamic imbalance detection apparatus and method using linear time-varying angular velocity model  
Provided is a dynamic balancing apparatus using a linear time-varying angular velocity model, which includes a rotational shaft on which a rotational body having a rotating unbalanced mass is...
8109139 Method and system for monitoring tire pressure  
The invention relates to a method for monitoring air pressure in vehicle tires using wheel electronics, which comprise a pressure sensor for measuring the air pressure present in the tire, a...

Matches 1 - 50 out of 355 1 2 3 4 5 6 7 8 >