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WO/2008/120282A1 |
An AC electric quantity measuring device used for power system control protective devices comprises means for determining the amplitude, chord length, and rotation phase angle of a voltage rotation vector from acquired time-series data b...
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WO2008077036A9 |
A system and technique for providing to flexible, programmable frequency estimators and spectrum analyzers that can operate over extremely large bandwidths and yet provide high spectral resolution are described. The acquisition time and ...
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WO/2008/114602A1 |
Equipment for testing a device under test comprising a pattern generator for generating the expected value pattern of an output signal from the device under test, a timing generator for generating a signal indicative of the timing for ac...
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WO/2008/114328A1 |
A frequency measuring instrument in which the amplitude, string length and rotary phase angle of a voltage rotary vector are determined by integration method, rotary phase angle variation and the variation of rotary phase angle variation...
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WO/2008/106534A1 |
A system is provided for performing external correction to reduce, or eliminate, the frequency dependent response related to an external device for receiving analog signals. The system includes an ADC and a spectrum processor for convert...
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WO/2008/099035A1 |
The invention relates to a spectrum analyser based on neural networks. More specifically, the invention consists of a method and device for the spectral analysis of periodic signals. The purpose of the invention is to enable the spectral...
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WO/2008/081713A1 |
In a signal quality measuring device, a spectrum measuring circuit (101) includes: an N (N is an integer not smaller than 2)-phase clock generation circuit (304) which outputs a phase modulation signal in which a clock signal phase is sh...
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WO/2008/072091A2 |
Sets of time domain data of respective frequency bands from Fd-I to Fd-n of a periodic input signal Fs are acquired. Sets of the time domain data of the common frequency band are extracted from the sets of the time domain data of the fre...
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WO/2008/064752A1 |
The invention relates to a method and a device for the determination of a statistical measurement value for all respective frequencies of a frequency distribution of signal levels from a measurement signal captured in several observation...
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WO/2008/062875A1 |
Data on an initial analysis range and data on a partially enlarged range are generated while updating them in parallel. On an operation panel (34) or the like, a first frequency analysis range and a second frequency analysis range which ...
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WO/2008/056285A1 |
A method of determining the harmonic and anharmonic portions of a response signal (RS) of a device (2), e.g. an electro-acoustic or electric device, comprises the steps of supplying an input signal (IS) to the device (2) causing the devi...
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WO/2008/056846A1 |
Disclosed relates to a method of setting a measurement reference value for deciding a magnitude value of an measurement frequency, input to an electronic measuring instrument such as a frequency spectrum analyzer, and an electronic measu...
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WO/2008/050928A1 |
Disclosed relates to an intermediate frequency converter for an electronic measuring instrument, such as a frequency spectrum analyzer having a broad range of frequencies, which converts an input frequency signal into an intermediate fre...
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WO/2008/043629A1 |
A representative measurement indicating a relative oscillation speed of a reference clock during a representative calibration period is ascertained. Multiple calibration periods are defined including first and second calibration periods....
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WO/2008/043639A1 |
Depending on a sensor signal, a noise signal which suppresses a useful signal spectrum of the sensor signal is determined by means of filtering using a filter. A noise variable, which is a measure of a noise of the sensor signal, is dete...
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WO/2008/042506A2 |
A realtime spectrum trigger system on a realtime oscilloscope considers both the magnitude and phase (38,40) of an input signal having a periodic component so that successive acquisitions of the input signal are time aligned. A user inpu...
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WO/2008/038966A1 |
There is provided to a method for measuring antenna characteristics operating in an out-of-operational frequency range of a chamber, in the chamber having a predetermined operational frequency range, including the steps of: a) measuring ...
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WO/2008/039528A2 |
A technique for examining the frequency content of an analog signal includes sampling the analog signal using two analog-to-digital converters clocked at the same rate but offset with respect to each other by a delay. The technique invol...
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WO/2008/029522A1 |
Reception PIM measuring methods for matching the impedances of a sample and the measuring system have involved problems such as the limitation of the measurement dynamic range due to the PIM produced at the terminator, the limitation of ...
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WO/2008/027711A2 |
A system (100) for implementing a tuner comprising a Radio Frequency (RF) circuit (102) a filter (100) disposed in a signal path in said RF circuit (102), a first negative resistance unit (130) in communication with said filter (100) ada...
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WO/2008/023640A1 |
Provided is a spectrum analyzer system for measuring a signal component of each frequency of an input signal. The spectrum analyzer includes: a sampling unit for sampling the input signal for each predetermined bandwidth so as to be digi...
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WO/2008/018587A1 |
A noise separator for separating the probability density function of a predetermined noise component from the probability density function of a signal to be measured comprises a domain converting section for converting the probability de...
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WO/2008/017988A2 |
A device (10) for measuring a frequency of an input signal (IN) that is expected to comprise a carrier signal (CS) either being unmodulated (CSU) or being modulated (CSM) according to a predefined signal coding comprises: means (9) for g...
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WO/2008/018588A1 |
A probability density function separator for separating a predetermined component from a given probability density function comprises: a domain converting section for converting the given probability density function into the spectrum of...
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WO/2008/011563A2 |
A system for filtering and interpreting real-time sensory data from an electrical system is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The data acquisition component acqui...
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WO/2008/011332A2 |
A system for real-time three-dimensional (3D) visualization of an electrical system is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The data acquisition component acquires r...
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WO/2008/006116A2 |
A system for real-time modeling of uninterruptible power supply (UPS) control elements protecting an electrical system is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The da...
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WO/2008/005525A2 |
The invention provides a device for analyzing the spectral content of a sample in a sequential manner at high speed.
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WO/2008/000990A2 |
Method for instantaneously determining rates of distortion of signals on an ac electrical network, and associated device. The present invention addresses the need for real-time calculation of an instantaneous value of discrete harmonic r...
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WO/2008/003033A2 |
A system for real-time optimization of power resources on an electrical system is disclosed. The system includes a data acquisition component, an analytics server, a control element and a client terminal. The data acquisition component i...
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WO/2007/141311A1 |
The invention concerns a system for extraction and analysis of significant radioelectric signals. It includes an overall number N of tracks. Each track Vi includes a receptor connected to a digital acquisition device of analog signals ge...
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WO/2007/136386A2 |
The present invention relates to droplet-based on-chip sample preparation for mass spectrometry. Specifically, sample processing is performed in matrix assisted laser desorption/ionization mass spectrometry (MALDI-MS) using one or more d...
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WO/2007/132660A1 |
It is possible to provide a frequency component measuring device capable of narrowing the range of transmission frequency of a local oscillator, preventing degradation of the level measurement accuracy, and measuring the level of a modul...
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WO/2007/132030A1 |
The present invention relates to a device and to an associated method capable of obtaining the optical spectra phase of an optical signal or problem signal to be analysed by using techniques of heterodyning between two monochromatic spec...
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WO/2007/123055A1 |
Provided is a testing apparatus for evaluating devices to be tested. The testing apparatus is provided with an extracting section for extracting a jitter component from an output signal outputted from the device to be tested; a filter fo...
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WO/2007/119488A1 |
In a first frequency measuring apparatus, a frequency or a period can be measured with high accuracy and high resolution without increasing a sampling interval because of using times at many zero cross positions for the measurement by me...
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WO/2007/117618A2 |
Time-resolved emission can be used to measure loop-synchronous, small-signal voltage perturbation in integrated circuits. In this technique the measurements are completely non-invasive and so reflect the true device behavior. The time-de...
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WO/2007/108493A1 |
Provided is a probability density function isolating device for isolating a predetermined component from a given probability density function. The device includes: a region conversion unit for receiving a probability density function and...
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WO/2007/108492A1 |
Provided is a probability density function isolating device for isolating a predetermined component from a given probability density function. The probability density function isolating device includes: a region conversion unit for recei...
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WO/2007/103894A2 |
The present disclosure describes methods and systems that combine Raman spectroscopy performed in a manner that utilizes one or more of widefield illumination, simultaneous multipoint Raman spectral acquisition, and spectral unmixing for...
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WO/2007/101178A2 |
A programmable reference-less oscillator provides a wide range of programmable output frequencies. The programmable reference-less oscillator is implemented on an integrated circuit that includes a free running controllable oscillator ci...
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WO/2007/090564A1 |
The invention relates to a network analyst (1) comprising a signal generator (12) for generating an excitation signal (18) which can be supplied to a measuring object connectable to a network analyst (1) by means of a measuring line, and...
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WO/2007/090730A1 |
The invention concerns a microwave frequency receiver configured for measuring the frequency F of a microwave frequency signal received by the receiver, in a frequency band of which the maximum frequency is Fmax. The receiver comprises N...
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WO/2007/085853A2 |
A method of processing a signal comprises receiving a signal, filtering the signal with a plurality of band pass filters, each band pass filter having a Q factor of at least l/√2, and extracting data from the output of the filters. The...
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WO/2007/084463A2 |
Spectra obtained from spectrographic readings from a sample can be filtered for artifacts, e.g., distorted data points arising from cosmic ray interference, by subtracting one spectrum from another to obtain a difference spectrum; smooth...
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WO/2007/081368A2 |
A multi-scale spike detector for performing multi-resolution spike detection’s of a signal is provided. The spike detector includes a gamma filter having cascaded low-pass filters. The cascaded filters collectively provide different cu...
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WO/2007/079321A2 |
An apparatus for radially expanding and plastically deforming a tubular member.
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WO2006104770B1 |
The method includes supplying a pair of clock signals to a clock monitor circuit (300), which is configured for monitoring a status of one clock signal relative to the other. The status indicates whether the frequency of the one clock si...
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WO/2007/047524A2 |
Meter electronics (20) for processing sensor signals in a flow meter is provided according to an embodiment of the invention. The meter electronics (20) includes an interface (201) for receiving a first sensor signal and a second sensor ...
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WO/2007/038143A2 |
A testing method or apparatus utilizes multiple frequencies applied to a device under test (25) for measuring newly discovered frequency modulation effects. An embodiment may include a lower frequency signal with a smaller amplitude high...
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