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WO/2010/141322A1 |
The use of white space devices in unused portions of the television channel spectrum is facilitated by spectrum sensing techniques that combine interference rejection techniques with feature extraction techniques to detect presence or ab...
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WO/2010/111334A1 |
Apparatus for processing broadband impulses signals of low repetition rate includes a tuner for receiving broadband impulsive signals of low repetition rate and providing an output signal characteristic of the amplitude and spectral cont...
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WO/2010/103354A1 |
This invention relates to a method of, and a system for, monitoring electromagnetic interference. The method comprising capturing a plurality of time domain waveforms, and a plurality of scatter plots; receiving the plurality of captured...
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WO/2010/098460A1 |
Provided is a phase determining device capable of determining phase differences with high precision using digital circuits. A phase determining device (1) comprises a buffer delay determining circuit (110), a phase difference determining...
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WO/2010/096770A2 |
A frequency/timing measurement apparatus includes a reference source having a reference source output terminal. At least one target source has a target source output terminal. The at least one target source is communicatively coupled to ...
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WO/2010/093461A1 |
An integrated circuit frequency generator is disclosed. In some embodiments, the frequency generator comprises an electronic oscillator configured to generate an oscillator frequency and calibration circuitry configured to periodically c...
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WO/2010/087799A1 |
Embodiments of the present invention are directed to determining the spectral vector of electromagnetic radiation reflected from, transmitted through, or emitted from a sample using a set of n intensity measurements. In general, the spec...
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WO/2010/083152A1 |
Analyzing a device under test ("DUT") at higher frequencies. A phase shifter varies the phase of a standing wave on a transmission line coupled to the DUT. The standing wave magnitude is sampled at each of the phase shifts and one or mor...
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WO/2010/077426A1 |
Methods for determining timestamps for signal timing edges for use in, e.g., a reciprocal counter for determining the frequency of a signal is disclosed, comprising the steps of inputting the signal into a tapped delay line, producing a ...
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WO/2010/069938A1 |
The subject of the invention is a wideband digital receiver comprising at least one antenna (200), an amplifier (201), a digital IFM device (214) for measuring the frequency of the signal or signals received based on the result of discre...
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WO/2010/069414A1 |
The invention relates to a method for spectral measurement data processing, using a measuring machine (10) according to the invention, wherein a plurality of individual spectra of a signal are first measured by means of a measuring devic...
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WO/2010/069683A1 |
The subject of the invention is a wideband RF digital receiver comprising at least one antenna (200), an amplifier (201), a digital IFM device (214) for measuring the frequency of the signal or signals received, the receiver being charac...
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WO/2010/049686A1 |
A system for processing a signal comprises a first band pass filter BFP1 arranged to filter the signal, a second band pass filter BFP2 arranged to filter the output of the first band pass filter BFP1, a first peak detection unit PD1 arra...
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WO/2010/047940A1 |
A map-based system displays a map of spectrum allocation information in a multi-dimensional representation. The system may provide a two-dimensional or three-dimensional area map (50) of a geographic location of interest from an aerial p...
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WO/2010/043439A1 |
The invention relates to a method and to a device for inspecting a frequency-modulated pulse generator (1), the device comprising: a cycle counting unit (5, 24) for counting pulse cycles (f_SSO) of the pulse generator (1, 17, 34) in mult...
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WO/2010/039680A1 |
A method for transitioning from wide band to narrow band EOT and/or LCU radios includes providing an EOT radio and/or an LCU radio having at least one filter in a radio receiver section that determines receiver bandwidth. The at least on...
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WO/2010/035646A1 |
Provided is a frequency characteristic measurement device wherein a configuration for measurement is simplified and troubles in the measurement is reduced. A spectrum analyzer (10) is provided with; mixers (110, 210), local oscillators ...
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WO/2010/025196A1 |
The present invention provides a digital oscilloscope with glitch detection, including a synchronous random access memory (RAM), a digital signal processing unit, coupled to the synchronous RAM, and a master control unit coupled to the d...
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WO/2009/152540A1 |
In order to reduce the complexity of electric installation structures and increase the safety of people and equipment, it is proposed in an electric installation structure (1), comprising an electric energy distribution network (2) and/o...
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WO/2009/147474A2 |
Method of calibrating a first clock signal using a second clock signal and calibration periods may include generating incremented counter values at a counter responsive to edges of the second clock signal. An initial incremented counter ...
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WO/2009/146765A1 |
In a system for measuring at least one high-frequency signal, comprising at least one broadband probe (2) and at least one measuring apparatus (3), each broadband probe (2) and each measuring apparatus (3) comprise a high-frequency conne...
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WO/2009/143902A1 |
Method and device for detecting a target spectrum and its frequency location in a scenario contaminated with strong jammers on other interferers. The detection is based on the geodesic distance between the correlation matrix (RD) of the ...
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WO/2009/137873A1 |
An apparatus for the application of a test load apparatus (100) is disclosed. The apparatus consists of a body (101), having an upper and lower collar (101a, 101b) and a spool (102) formed therebetween. A conductive load (202) is then wo...
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WO/2009/136329A1 |
The invention concerns in general measurement of the transfer function of linear time invariant systems, more particular the calibration of such systems based on a measured transfer function. According to a first aspect the present inven...
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WO/2009/130372A1 |
To find frequency slots over which cognitive radio can send an opportunistic transmission, a wideband spectrum is searched with a lower resolution to identify bandwidth slices having low or no signal levels. The identified bandwidth slic...
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WO/2009/126999A1 |
Information is encoded in a resonator/antenna structure, which may be interrogated in order to retrieve the information via radio frequency (RF) excitation. The resonator/antenna structure comprises a multiresonator including a plurality...
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WO/2009/127843A1 |
A signal generator (1) including an optical radiation means for generating a first optical radiation (4) having a first frequency, a second optical radiation means (5) having a second frequency and a third optical radiation means (12) ha...
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WO/2009/124073A2 |
A system and method for acquiring phasors outside of the frequency tracking range for power protective relays. As the frequency of a power system varies from the rated frequency, phasors calculated from such samples include errors. A fre...
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WO/2009/122594A1 |
Frequency fb[i] of a plurality of peak signals appearing in a band of a half or smaller of a certain sampling frequency fs is obtained among spectra obtained from a measured signal sampled at the frequency fs. Each of the plurality of pe...
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WO/2009/110172A1 |
A variable delay circuit (101) generates a plurality of delay signals (D(1), D(2), …, D(n)). An output holding circuit (102) takes in the delay signals (D(1), D(2), …, D(n)) in synchronization with the transition of a reference signa...
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WO/2009/093316A1 |
A method of detecting repetitive frequency of a measured signal includes steps of assuming a repetitive signal of the measured signal obtained by a conventional method as tentative repetitive frequency of the measured signal in order to ...
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WO/2009/090801A1 |
Disclosed are a device and a method for comparing a detected frequency signal (first frequency signal) and a second frequency signal, which is obtained by delaying the detected frequency, to determine whether the frequency transitioned t...
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WO/2009/081780A1 |
It is possible to provide a frequency characteristics measuring device which can simplify the configuration for performing a measurement and reduce the undue effort required for the measurement. A spectrum analyzer (10) includes: two set...
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WO/2009/073958A1 |
There is provided a method and a system for estimating parameters of a multi-tone signal made up of at least one single-tone signal, wherein the method comprises: generating time samples of the multi-tone signal by using a sampler; calcu...
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WO/2009/050408A2 |
The invention relates to a method for qualifying a controlled system (1) generating at the output a time signal (3) adjusted on the basis of a setpoint time signal (2) fed at the input, wherein said method comprises: selecting an evaluat...
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WO/2009/052297A2 |
The invention relates to a signal discriminator, comprising: a signal generator unit which produces an output signal having high and low voltage values; an output unit which outputs the output signal to a high-impedance conductor; a swit...
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WO/2009/048970A1 |
A system and method for monitoring the rotation of a generator rotor and calculating a power angle using an optical rotor displacement monitor. The monitor uses a light beam directed toward the rotor to detect a marking thereon, and gene...
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WO/2009/038056A1 |
Provided is a signal analysis device having a high frequency resolution not depending on an analysis window length and can perform a highly accurate frequency analysis. When the signal analysis device inputs an analysis object signal to ...
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WO/2009/035752A1 |
Described is a method for compensation of an OFDM signal propagating through Doppler-distorted, time-varying multipath channels. The method is based on low-complexity post-FFT signal processing. Minimum mean square error combining of sig...
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WO/2009/028763A1 |
A method of measuring a power quality index, including: measuring a total current waveform of an ingress from a customer, and a current waveform and a voltage waveform of each of at least one load installed at the customer; computing a l...
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WO/2009/019943A1 |
A measuring device for measuring the power of an OFDM modulation signal outputted from a transmission device comprises an output control unit for outputting the OFDM modulation signal in which a predetermined waveform is repeated for eac...
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WO/2009/016334A1 |
A method and apparatus for measuring the breathing rate from the photoplethysmogram signal (PPG) by using auto-regressive modelling of the signal. The PPG signal is windowed in overlapping windows of typically 30 seconds' length, overlap...
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WO/2009/017238A1 |
While combining AD converters that one is wide band but narrow dynamic range and the other is narrow band but wide dynamic range, it allows settings to provide a common intermediate frequency signal to the AD converters. A first BPF 50 p...
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WO/2009/012342A2 |
Apparatus and methods are provided to allow multiple, possibly overlapping, regions of interest within a frequency spectrum to be defined, and managed. Each of these regions of interest may be selected for further testing or identificati...
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WO/2009/009777A1 |
A method and system are disclosed to detect a broad class of signals including Advanced Television Systems Committee (ATSC) digital television (DTV) and wireless microphone signals. This signal detection method performs in Gaussian noise...
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WO/2009/003450A2 |
The invention relates to a method for the system characterization of a signal conditioning component with the following steps: A sensor signal is decoupled from the signal conditioning component via a switch; a signal emitter generates a...
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WO/2008/152466A2 |
The invention relates to a device (4, 5) for detecting insulation faults in a voltage converter (10), the converter (10) comprising a primary circuit (1) and a secondary circuit (2), the device being characterized in that it comprises at...
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WO/2008/149100A1 |
An object ranging system operates by transmitting pulses derived from a frequency-swept signal and determining the beat frequency of a combination of the frequency-swept signal and its reflection from an object. To determine the range of...
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WO/2008/146790A1 |
A measuring apparatus for measuring the powers of modulated signals as modulated by use of carrier signals having predetermined frequencies. The measuring apparatus comprises an A/D converting part that provides digital modulated signals...
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WO/2008/136443A1 |
Provided is a technique for measuring an unknown input signal and directly estimating sine wave parameters (frequency, amplitude, phase) contained in the input signal. A governing equation of an analysis signal is established. Furthermor...
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