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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...
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...
7401008 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...
7369604 Time correlation of data acquisition samples from independent systems in a logic analyzer  
Apparatus according to the subject invention includes two independent acquisition systems, wherein one of the two independent acquisition systems acquires the acquisition clock of the other...
7359810 Characterizing newly acquired waveforms for identification of waveform anomalies  
A method of characterizing a newly acquired waveform with respect to previously acquired waveforms during monitoring of a generally repetitive signal, where the previously acquired waveforms have...
7353410 Method, system and calibration technique for power measurement and management over multiple time frames  
A method and system and calibration technique for power measurement and management over multiple time frames provides responsive power control while meeting global system power consumption and...
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...
7317309 Wideband signal analyzing apparatus, wideband period jitter analyzing apparatus, and wideband skew analyzing apparatus  
A wideband signal analyzing apparatus for analyzing an input signal includes frequency-shifting means for generating a plurality of intermediate frequency signals by shifting a frequency of the...
7275004 Method and apparatus to perform on-die waveform capture  
An integrated circuit is provided that includes a first port to receive a first signal from a first channel and a first device coupled to the first port to modify a channel response of the first...
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...
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...
7248987 Signal processing system for sensor  
A signal processing system for a sensor for judging whether an event to be detected has occurred on the basis of a frequency of a sensor output includes a converting device for converting the...
7246017 Waveform measuring apparatus for measuring waveform data and writing measurement data to acquisition memory  
A waveform measuring apparatus can sequentially and continuously read measurement data from an acquisition memory, where the measurement data has been written by multiple acquisitions, after...
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...
7216046 Method of generating a variable persistence waveform database  
A variable persistence waveform database is generated by defining a First-In-First-Out (FIFO) time-ordered queue buffer for maintaining a selected number of waveform records. Digital data samples...
7191113 Method and system for short-circuit current modeling in CMOS integrated circuits  
A method and system for short-circuit current modeling in CMOS circuit provides improved accuracy for logic gate power dissipation models in computer-based verification and design tools. The model...
7191079 Oscilloscope having advanced triggering capability  
An advanced trigger circuit includes two trigger decoders, each triggering on one of respective pluralities of continuous-time trigger events. In one embodiment, a programmable timer begins timing...
7187730 Method and apparatus for predicting CCK subsymbols  
An apparatus and a method for symbol decoding of baseband data in a wireless communications network is disclosed, and specifically CCK subsymbol prediction and symbol demodulation that occurs at...
7177783 Shape based noise characterization and analysis of LSI  
The invention allows the inclusion of cross-talk coupling and other noise in circuit simulation by considering a resultant glitch in more detail than just its peak value. A set of parameters...
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...
7123845 Receiving apparatus with waveform degradation compensating function  
A receiving apparatus comprises a first waveform degradation compensating unit, a second waveform degradation compensating unit, a received waveform measuring unit for measuring waveform data on a...
7092849 Extracting causal information from a chaotic time series  
Embodiments of the present invention provide a method, a system, and a computer code for analyzing the state of a first system (e.g., the autonomic system) from a time-varying signal representing a...
7079143 Waveform drawing system and method  
A waveform drawing routine is disclosed that includes receiving an array of predecessor image data points, wherein the predecessor image data points form a predecessor line that has a predecessor...
7072804 Digital trigger filter for a real time digital oscilloscope  
A real time DSO is equipped with a Digital Trigger Filter that performs high frequency rejection, low frequency rejection, AC and DC triggering. The Digital Trigger Filter includes first and second...
7058530 Comparative spectrum trace method and apparatus for detecting transmitters  
An improved method and system for detecting covert surveillance devices uses frequency spectrum traces produced by a spectrum analyzer. The electromagnetic spectrum is scanned in a reference area...
7039536 Method and apparatus for analyzing a source current waveform in a semiconductor integrated circuit  
The invention provides a method of analyzing a source current at a higher speed and an enhanced accuracy in a semiconductor integrated circuit including a digital circuit. The method to analyze a...
7024322 Dynamic waveform resource management  
A dynamic waveform manager and an application policy are provided to an electronic device that executes an application requiring the use of waveforms accessed from a waveform table characterized by...
7016796 Fast and accurate AC RMS and DC measurement  
A small microcontroller or a DSP may be used to process digital signals representative of a measurement. Furthermore, special RMS AC measurement or DC noise rejection algorithms may have to be run...
7010283 Signal waveform detection circuit  
A signal waveform detection circuit includes an amplifier circuit and a comparing circuit. The amplifier circuit has differential amplifiers connected in series. Each of the differential amplifiers...
7003413 System and method of extraction of nonstationary sinusoids  
Signal processing techniques and systems and, in particular, an apparatus, system, algorithm and method of extraction of sinusoidal signals of time-varying nature is described. The apparatus,...
6993440 System and method for waveform classification and characterization using multidimensional higher-order statistics  
A receiver exploits unique higher order statistics of temporally dependent waveforms to classify, characterize, identify (fingerprint) and intercept a waveform within the field of view of the...
6980212 Method and apparatus for computing thresholds for identification of waveform anomalies  
Apparatus in accordance with the subject invention maintains an exponentially decayed histogram of the counts of new pixels for each active channel, together with a running count of time and number...
6975951 Meter apparatus and method for phase angle compensation employing linear interpolation of digital signals  
A method compensates for phase differences between sampled values of first and second AC waveforms. The method employs a phase angle compensation factor and sequentially samples a plurality of...
6959266 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...
6957172 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...
6944559 Channel isolation by switched grounds  
A signal acquisition instrument, such as an oscilloscope, having an input stage that is referenced to a user's ground is disclosed. Information gathered by the input stage is stored in a storage...
6934649 Waveform detection system and state-monitoring system  
The present invention provides a waveform detection system and a state-monitoring system. The waveform detection system features a signal-processing function that characterizes and detects...
6934647 Efficient sampling of digital waveforms for eye diagram analysis  
Method and apparatus for determining at least one characteristic of a digital data signal. The method includes identifying at least one region of a waveform such as an Eye Diagram that contains...
6920404 Method of detecting residual capacity of secondary battery  
Correlations between a residual capacity of a secondary battery and 4 parameters of an internal resistance, temperature, a discharge current and one of an open circuit voltage and a discharge...
6895348 Information playback apparatus with an unusual waveform circuit  
An unusual waveform detection circuit is a digital-type unusual waveform detection circuit that arbitrarily sets a threshold used for determining an unusual waveform and produces an unusual...
6892149 Identifying data loss in a transmission system  
Identifying data loss in a transmission system includes shifting one of a received waveform and a transmitted waveform, determining differences between the transmitted and received waveforms at...
6879919 DSP assisted peak capture circuit and method  
Peak capture circuitry for measuring a peak value of a waveform characterized by a first portion having a first rate of change and a second portion having a relatively faster rate of change. Peak...
6876937 Displaying a number of measurement curves  
A method of displaying a number of measurement curves is described. The measurement curves are displayed in at least two windows. Each one of the windows comprises two axes. One or more measurement...
6856927 Method and apparatus for the characterization of optical pulses and modulators  
A method and apparatus for the characterization of optical pulses and modulators includes modulating, using a modulator, a train of optical pulses, measuring a spectrum of the modulated train of...
6847905 Architecture providing increased information display for long acquisitions or constrained memory bandwidth  
A method and apparatus for rasterizing a digital sample stream by producing histograms for each of a plurality of time slices forming a display frame. Time slice histograms for at least one display...
6845331 Data processing system and method included within an oscilloscope for independently testing an input signal  
A data processing system and method included within an oscilloscope for independently analyzing a signal input into the oscilloscope. The oscilloscope includes a plurality of triggering modes. A...
6804633 Fast eye diagram analyzer uses nearest neighbor transverse to quickly discover basic eye diagrams  
The time needed to perform an eye diagram measurement is minimized by initially randomly investigating the (X, Y) i that lie on a “starting” line crossing the sample space and expected to...
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...
6789028 Method, system, and computer-readable medium for sensorless measurement of induction machine rotor bar pass frequency  
A method comprises: sampling a current waveform of an induction machine to obtain sampled points; characterizing the sampled current over a selected first time window to obtain characterized...
6785621 Method and apparatus for accurately determining the crossing point within a logic transition of a differential signal  
A method is described that involves forming a product waveform by multiplying a positive signal waveform and negative signal waveform. The positive signal waveform and the negative signal waveform...
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