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WO/2021/232540A1 |
Disclosed is a classification algorithm for a current signal. A current signal waveform is divided, according to physical features thereof, into segments that are different from each other; the shape, statistical and harmonic features of...
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WO/2021/236174A1 |
Operating an electrical load controller includes, in one aspect, detecting zero-crossings of an AC waveform, determining periods each corresponding to a full cycle of the AC waveform, determining a frequency of the AC waveform based on t...
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WO/2021/217214A1 |
Methods and systems for identifying PIM sources for an antenna under test (AUT) are provided, where the AUT is installed in a desired operating environment. The system comprises: a PIM analyser, connected to the AUT for applying first an...
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WO/2021/221938A1 |
Systems, methods, and apparatuses for providing dynamic, prioritized spectrum utilization management. The system includes at least one monitoring sensor, at least one data analysis engine, at least one application, a semantic engine, a p...
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WO/2021/210069A1 |
A frequency analysis device (101) that uses butterfly computation circuits (21, 22) and delay buffers (11-15) provided before and after the butterfly computation circuits (21, 22) to perform a fast Fourier transform and to perform a proc...
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WO/2021/199066A1 |
Accordingly embodiments herein disclose a method for estimating frequencies of multiple sinusoids by an electronic device (100). The method includes receiving a signal, where the signal comprises the multiple sinusoids. Further, the meth...
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WO/2021/195394A1 |
Systems, devices, and methods including a first band-pass filter (128) configured to receive and filter a detector signal (101), where the first band-pass filter (128) has a central frequency of 2f; a second band-pass filter (130) config...
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WO/2021/186475A1 |
Embodiments herein provide a method for estimating frequencies of multiple sinusoids by an electronic device (100). The method includes receiving, by the electronic device (100), a received signal comprising a plurality of sinusoids, whe...
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WO/2021/183777A1 |
A field interference investigation tool (FIIT) cooperates with a spectrum analysis system to identify the location of a source of non-cellular interference to a cellular telecommunications network. The FIIT may be provided with one or mo...
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WO/2021/171078A1 |
Methods and systems for generating demand forecasting data of a computerized system include receiving, from a user device, a request for generating demand forecasting data. The system retrieves data from a database, wherein the data repr...
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WO/2021/171368A1 |
This invention comprises a data symbol extraction unit (11) for extracting a data symbol part from a reception signal (100), a null symbol extraction unit (12) for extracting a null symbol part from the reception signal (100), a data sym...
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WO/2021/160230A1 |
A power quality analysis system (2) is disclosed. The power quality analysis system (2) is configured to carry out a power quality analysis in an electrical environment (4) that comprises one or more power consuming units (6, 6', 6", 6"'...
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WO/2021/160237A1 |
The present subject matter relates to an apparatus for a communication system. The apparatus is configured for: for each beam direction of a set of beam directions of an antenna array of the communication system, determining a level of a...
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WO/2021/157858A1 |
The present invention relates to a system, device and method, for detecting a connection of a connecting structure, which can automatically detect a first device connecting to a second device as well as identify the first device. Disclos...
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WO/2021/152788A1 |
An embodiment of this invention provides a system frequency detector comprising a frequency computation unit comprising: an orthogonal coordinate signal generation unit that transforms the three-phase voltage signal of the three-phase AC...
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WO/2021/152789A1 |
An embodiment of this invention provides a system frequency detector comprising a frequency computation unit comprising: an orthogonal coordinate signal generation unit that transforms the three-phase voltage signal of the three-phase AC...
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WO/2021/146376A1 |
Respective phasor values are recursively computed from respective ones of a series of signal samples for a node of a power system such that each phasor value is computed from a previously computed phasor value. Frequency values are recur...
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WO/2021/146712A1 |
An apparatus includes a processor, a Phase-Locked Loop Waveform Generator (PLLWG), a Voltage Controlled Oscillator (VCO), a demodulator, signal conditioning circuitry, and an Analog-to-Digital Converter (ADC). The processor generates con...
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WO/2021/136792A1 |
The present invention relates to a measuring apparatus, comprising: - an arbitrary waveform generator to generate, and inject to a coupling network, a combination of N test signals; - the coupling network to couple the N test signals to ...
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WO/2021/117168A1 |
A signal analysis device (100) is characterized by being provided with: a plurality of time frequency conversion units (40-1 to 40-4) that are respectively provided so as to correspond to a plurality of sampling sequences obtained by per...
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WO/2021/106072A1 |
This frequency detection circuit (3) comprises: a signal source (11) for outputting a first clock signal and a second clock signal that has the same frequency as the first clock signal and a different phase from the first clock signal; a...
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WO/2021/102831A1 |
Provided by the present application are a signal filtering method and apparatus, and a data processing device. The method comprises: acquiring a signal to be processed; and filtering the signal by using a preset filter function that has ...
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WO/2021/101630A1 |
A system may include a non-intrusive sensor circuitry configured to provide electrical measurement data, including, for example, current data, voltage data, power factor data, active power consumption data, reactive power consumption dat...
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WO/2021/097888A1 |
A motor transient distortion measurement method and system. The method comprises: setting an input voltage of a motor, and generating a synchronous swept frequency signal by using the input voltage (S101); exciting the motor by using the...
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WO/2021/097463A1 |
An accessory device has a test port, an instrument port to connect to an instrument having an operating bandwidth, and one or more configurable signal paths connectable between the test port and the instrument port to convert a signal fr...
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WO/2021/093579A1 |
A waveform measuring method, comprising: first convert a waveform to be measured into two corresponding square waves by means of two comparators; collect the two square waves after a hardware logic device receives a signal of starting to...
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WO/2021/096076A1 |
The present invention relates to a technology for testing a semiconductor device by means of machine learning of the frequency output properties of a semiconductor device, and more specifically relates to technology that increases the te...
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WO/2021/091444A1 |
The invention is a method to create an instantaneously wideband digital receiver system despite using a digital receiver with substantially smaller bandwidth than the complete system. The invention solves the problem by using frequency c...
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WO/2021/089936A1 |
The invention relates to a method (1) for monitoring a rotating machine (100) of an aircraft, wherein a measurement signal is acquired from the rotating machine. According to the invention, instantaneous frequencies (ƒĸ(t)) of sinusoid...
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WO/2021/082906A1 |
A method for measuring the synchronicity of contacts of a two-power supply transfer switch and an apparatus for same, relating to the field of electrical device measurement. The method comprises: corresponding corresponding contact sets ...
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WO/2021/082036A1 |
The present invention relates to a power system frequency measurement method, a bus voltage correction method, and devices, belonging to the technical field of power system frequency measurement. In the present invention, a positive sequ...
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WO/2021/083810A1 |
The invention relates to a circuit arrangement, by means of which a voltage type and a voltage value, in particular an average value, of an input voltage (Ue) of a power supply (SV) or of a switching-mode power supply (SV) is ascertained...
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WO/2021/081333A1 |
Embodiments described herein generally relate to measuring and evaluating a test signal generated by a device under test (DUT). In particular, the test signal generated by the DUT may be compared to a reference signal and scored based on...
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WO/2021/081359A1 |
Methods and systems are provided for clay detection, clay typing, and clay volume quantification using electromagnetic measurements on a porous media sample at a low frequency less than 5000 Hz. The electromagnetic measurements are used ...
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WO/2021/057025A1 |
A frequency mixing-based frequency response measurement method and device for a photodetector. Said method comprises: using two microwave signals with angular frequencies of Δω and ωe to modulate two homogenous optical carriers respec...
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WO/2021/061046A1 |
A computerized method and a sensor device for determining respective presence and concentrations of multiple gases and/or volatile organic compounds, and a method of training the sensor device, wherein the method comprises steps of measu...
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WO/2021/058678A1 |
The invention relates to an apparatus for determining the impedance on the basis of the frequency of a supply network to be measured, having • an energy storage unit which is suitable for drawing energy from the supply network to be me...
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WO/2021/051177A1 |
A new model of apparatus for measuring instantaneous angular velocity with high resolution using encoders and time-to-digital converters (TDC) that is designed to be used to take instantaneous angular velocity measurements in combustion ...
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WO/2021/048812A1 |
The method allows the measurement of the audio signal-to-noise ratio, without having to interrupt the transmission to make the measurements. The method comprises: taking the audio signal processed by the system in a frequency band (∆F)...
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WO/2021/024241A1 |
A method and device for synthesizing an arbitrary periodic waveform at a user-selectable frequency, utilizing a fixed size digital memory block accessed at a constant loop rate. In order to provide user- selectable frequency output, the ...
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WO/2021/009913A1 |
A photoelectric conversion device (10) outputs the result of photoelectric conversion of interference light iL obtained through interference in an interferometer (11) of wavelength-swept light Lx output from a wavelength-sweeping light s...
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WO/2020/264503A1 |
A health monitor circuit for an electric machine is described. The health monitor circuit includes at least one sensor configured to measure a parameter of the electric machine, a communication interface, and a microprocessor coupled to ...
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WO/2020/232475A1 |
Systems, devices, software, and methods of the present invention enable frequency-based signal power analyses in software suitable for signal with either stationary and non-stationary spectrums. The methods that may be used throughout va...
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WO/2020/225193A1 |
The invention relates to a method for detecting a direct current component in an inductive device, for example in a transformer or choke, comprising the following method steps using a computer: - Recording a oscillation signal, either of...
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WO/2020/220804A1 |
A variable-sampling rate Fourier analysis method, comprising the following steps: S100, comparing an initially set sampling frequency to preliminarily sample a signal to be analyzed, and then analyzing the fundamental frequency and funda...
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WO/2020/215163A1 |
Arc fault current interrupter electrical devices and systems. An example is an electrical device comprising: a contact configured for electrical connection to a power line; at least one sensor to detect at least voltage signals indicativ...
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WO/2020/209513A1 |
The present invention relates to a partial discharge diagnosis and location detection method and comprises the steps of: configuring a trigger signal on the basis of a first sensing signal acquired from multiple partial discharge sensors...
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WO/2020/204740A1 |
A method and system are provided for estimating the g-sensitivity of a quartz oscillator, which includes rotating the quartz oscillator successively around each of a plurality of axes constituting a full-rank system, measuring a frequ...
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WO/2020/181320A1 |
A system for testing an antenna under test (AUT), and a system and method of locating a passive intermodulation (PIM) fault in an AUT is provided. The AUT comprises an input port and a plurality of branches, each branch ending in at leas...
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WO/2020/178919A1 |
This signal analysis device(10), which decomposes a signal to be analyzed into a plurality of anharmonic signals, is characterized by being provided with: a parameter candidate selection unit (103) which selects a combination candidate o...
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