|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
7617056 |
Parameter extraction method, method for inspecting circuit operation, and storage medium having program to perform the parameter extraction method
A structure includes a step of inputting a numerical value of a parameter, which forms a model formula, by a computer; a step of inputting the numerical value of the parameter to the model formula...
|
|
|
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...
|
|
|
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...
|
|
|
7439515 |
Pipeline processing of pulse pile-up correction in a nuclear medicine imaging system
Correction of scintillation event data from a nuclear medicine imaging system for effects of pulse pile-up is carried out by separating event data packets into total energy and individual detector...
|
|
|
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...
|
|
|
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...
|
|
|
7409320 |
Complex signal decomposition and modeling
A system, method and program product for monitoring a complex signal for ultrasensitive detection of state changes, or for signature recognition and classification is provided. A complex signal is...
|
|
|
7369951 |
Digital, self-calibrating proximity switch
A signal processing system for detecting purposive signals includes an input receiving a signal having a signal characteristic subject to user manipulation. An activation detector compares a...
|
|
|
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...
|
|
|
7308372 |
Phase jitter measurement circuit
A method, an apparatus, and a system for phase jitter measurement circuits are described herein.
|
|
|
7292947 |
System and method of estimating phase noise based on measurement of phase jitter at multiple sampling frequencies
A system and method of estimating random and periodic phase noise components based on measurement of phase jitter in a given signal uses a difference filter to attenuate low frequency random noise...
|
|
|
7268783 |
Image alias rejection using shaped statistical filtering
Image alias rejection when converting a high resolution rasterized waveform to a lower resolution rasterized waveform for display uses a statistical filter. The statistical filter provides a shaped...
|
|
|
7260485 |
Method and systems for distinguishing between materials having similar spectra
Various computer-implemented methods and systems are provided. One computer-implemented method includes determining a ratio between output signals generated by detecting spectra for a single event...
|
|
|
7254469 |
Superimposing current or previous graphing data for anomaly detection
A system and a machine-implemented method for rendering, on a display device, a first data graph concerning data received from a first data source. A second data graph concerning data received from...
|
|
|
7254500 |
Monitoring and representing complex signals
A method of displaying signals containing a spatial and a temporal aspect, where multiple signals are received by multiple sensors. The received signals are decomposed into separate signal...
|
|
|
7228262 |
Semiconductor integrated circuit verification system
An aspect of the present invention provides a semiconductor integrated circuit verification system that includes a compiler configured to receive circuit descriptions of a semiconductor integrated...
|
|
|
7191100 |
Method and system for predictive physiological gating of radiation therapy
A method and system for physiological gating for radiation therapy is disclosed. A method and system for detecting and predictably estimating regular cycles of physiological activity or movements...
|
|
|
7158920 |
Noise checking method and apparatus and computer-readable recording medium which records a noise checking program
The apparatus reduces the amount of correction for noise value error, so as to reduce work needed for correction to ensure error avoidance, and to improve the freedom of layout design, and to...
|
|
|
7152008 |
Calibrated differential voltage crossing
In general, in one aspect, the disclosure describes an apparatus for calibrating signals. The apparatus includes a receiver pair to receive a differential signal and a reference signal and to...
|
|
|
7079986 |
Greedy adaptive signature discrimination system and method
A system and method for determining from an arbitrary signal a characteristic signature or other characterizing feature and for distinguishing signals associated with one specific condition from...
|
|
|
6947853 |
Apparatus and method for inspecting electrical continuity of circuit board, jig for use therein, and recording medium thereon
The present invention provides an apparatus and method for inspecting electrical continuity of a circuit board, capable of decreasing the impedance in a current path as an inspection object to...
|
|
|
6934650 |
Noise signal analysis apparatus, noise signal synthesis apparatus, noise signal analysis method and noise signal synthesis method
FFT section 102 transforms a windowed input noise signal into a frequency spectrum. Spectral model storing section 103 stores model information on spectral models. Spectral model series...
|
|
|
6912474 |
Method and apparatus for high-speed synchronous digital acquisition derived in real -time from analog samples
A method and apparatus for real-time derivation of precise digital clock edges and synchronous logic samples from a digital signal having a clock channel and at least one data channel acquires a...
|
|
|
6898536 |
Method for improving the start up of an ultrasonic system under zero load conditions
The start up performance of an ultrasonic system under zero load conditions is improved by setting a phase set point in a frequency control loop such that, at start up under zero load conditions,...
|
|
|
6882946 |
Spectral analysis measurement apparatus and method of measuring for spectral analysis measurement apparatus
A measuring apparatus includes a spectrum analysis unit having an input for receiving an input signal to be measured. The input signal includes a carrier signal located within a predetermined band...
|
|
|
6873923 |
Systems and methods for performing analysis of a multi-tone signal
Representative embodiments are directed to systems and methods for processing analyzer trace data of a multi-tone signal to more accurately estimate the frequencies and amplitudes of the tones of...
|
|
|
6836739 |
Frequency interpolating device and frequency interpolating method
The spectrum of a PCM signal is divided into bands. Combinations of a reference band inclusive of a highest frequency band and another band, one of the reference band and other band being...
|
|
|
6799128 |
Measurement system for sampling a signal and evaluating data representing the signal
A measurement system for analyzing data values that are stored in memory and that represent a sampled electrical signal under analysis (SUA). Each of the data values represents the SUA at...
|
|
|
6778923 |
Reduced cross talk pulse oximeter
A system and method of reducing cross talk in pulse oximetry signals that are attenuated by a patient tissue site are provided. In one embodiment, Red and IR LEDs of a pulse oximeter are separately...
|
|
|
6756909 |
Method for detecting blade breakage using rate and/or impedance information
Failures associate with bad hand pieces and blade failures in an ultrasonic surgical system are distinguished by monitoring the rate of change of the resonance frequency and the rate of change of...
|
|
|
6704692 |
Method and system for tracking multiple objects
An improved method and system for solving a combinatorial optimization problem, such as a tracking problem, to define a plurality of associations of measurements taken of a plurality of objects is...
|
|
|
6697766 |
System and method for detecting and characterizing gaussian pulses
System and method for characterizing a Gaussian pulse in a signal. The system includes a computer operable to receive the signal, determine a set of estimated parameters for the Gaussian pulse...
|
|
|
6691073 |
Adaptive state space signal separation, discrimination and recovery
This invention unifies a set of statistical signal processing, neuromorphic systems, and microelectronic implementation techniques for blind separation and recovery of mixed signals. A set of...
|
|
|
6684169 |
Facilitating comparisons between simulated and actual behavior of electronic devices
A system for analyzing the behavior of electronic devices includes a first database for storing simulation values and a second database for storing actual waveform values. The system further...
|
|
|
6640194 |
Timing jitter frequency detector for timing recovery systems
A frequency detector includes a slicer to receive and slice a phase error against a compare threshold value. The slicer generates a symbol based on the phase error sliced against the compare...
|
|
|
6629049 |
Method for non-harmonic analysis of waveforms for synthesis, interpolation and extrapolation
A method according to which a discrete waveform is multiplied by a sine function having an arbitrary period. The product is summed over a selected interval to derive a first summation and...
|
|
|
6594605 |
Correlation function measuring method and apparatus
A correlation function measuring method and apparatus can correct a correlation vector with high accuracy. The correlation function measuring apparatus includes first signal processing means 18 a ...
|
|
|
6591202 |
Magnetic field measuring device
An apparatus and method that tests an NMR system, including MRI scanners, by taking H-B measurements for the apparatus at any stage during the manufacture thereof, to thereby detect any defects of...
|
|
|
6571186 |
Method of waveform time stamping for minimizing digitization artifacts in time interval distribution measurements
A time stamping method for threshold crossing points of an input signal uses a dithered threshold level. Digital data samples are acquired for the input signal and time marks are determined for the...
|
|
|
6505133 |
Simultaneous signal attenuation measurements utilizing code division multiplexing
A pulse oximeter ( 100 ) includes two or more light sources ( 102 ) for transmitting optical signals through an appendage ( 103 ) of patient. The sources ( 102 ) are operated to transmit code...
|
|
|
6448755 |
Phase detector with linear gain selection
A phase detector with a linear gain characteristic includes two exclusive-OR gates with inputs connected to an input signal and an inverted input signal and a reference signal in a phase locked...
|
|
|
6442506 |
Spectrum analysis method and apparatus
A method and apparatus for spectral analysis of a sampled signal are provided. According to the method, a first time interval ΔT is determined which represents a sample set over which the signal...
|
|
|
6424925 |
Circuit and method for detecting a tone signal
A tone detector includes at least one circuit (hereinafter “single phase reference matcher”) that not only performs a convolution of an input signal with a reference signal, but also compares...
|
|
|
6411914 |
System and method for coherent signal detection using wavelet functions
A method and system for detecting a coherent signal of unknown frequency from an incoming electrical signal comprising a multiplicity of frequencies is disclosed. A time sequence of sample data...
|
|
|
6369738 |
Time domain/frequency domain data converter with data ready feature
A time domain data converter with output frequency domain conversion. A data conversion circuit is operable to receive a signal in the time domain and provide an output in the frequency domain. It...
|
|
|
6215122 |
Method for high speed pulse pile-up rejection
A process for identifying and rejecting pile-up pulses in a system is provided. Preferably, the process is applied to mine detection where time is at a premium. A thermal neutron activator sensor...
|
|
|
6178387 |
Method for the determination of peaks in a discrete signal
A method of determining peaks in a discrete function. The method comprising the steps of: applying a closing function to the discrete function to generate a closed discrete function; defining peaks...
|
|
|
6032105 |
Computer-implemented microcell prediction modeling with terrain enhancement
A computer-implemented modeling tool for cellular telephone systems predicts signal strength under real conditions by considering the effects of terrain and man-made structures on transmitted...
|