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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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WO/2007/034992A2 |
A method and apparatus for determining a relationship between an input signal frequency (14) and a reference signal frequency is envisioned. The system derives a plurality of internal reference signals from the reference signal. The inte...
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WO/2007/025123A2 |
Noise discrimination in signals from a plurality of sensors [32, 34] is conducted by enhancing the phase difference in the signals such that off-axis pick-up is suppressed while on-axis pick-up is enhanced Alternatively, attenuation/expa...
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WO/2007/013302A1 |
A frequency component measuring device formed in a simple structure and enabling a reduction in measurement time and an increase in measurement accuracy. The frequency component measuring device comprises mixers (10, 20) and local transm...
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WO/2007/009558A1 |
A method and apparatus for digital spectral estimations of wideband analog signals in a frequency range not limited by the mean sampling frequency is disclosed. To widen the frequency range by elimination of aliasing while sampling an an...
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WO/2007/006145A1 |
The present invention relates to a method and system for processing time-varying three- component signals to determine polarization dependent features therefrom. Relation data indicative of a predetermined expression relating ellipse ele...
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WO/2006/135515A1 |
A system and method for measuring and analyzing power flow parameters in RF-based excitation systems for semiconductor plasma generators. A measuring probe (8) is connected to an RF transmission line for receiving and measuring voltage (...
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WO/2006/129061A2 |
A phase reversal detector converts an input tone from time domain into frequency domain, determines a phase difference over a time interval, and detects a phase reversa based on the phase difference. The converter derives a Fourier trans...
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WO/2006/120829A1 |
A mixed sound separating system (100) for separating a specific sound from a mixed sound (S100) comprises a local frequency information creating unit (105) for determining, from a plurality of local analyzed waveforms (S102) forming a po...
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WO/2006/115426A1 |
The invention relates to medicine and bioengineering. The inventive method for adjusting biological processes consists in fixing the growth-propagation range boundaries according to the beginning and termination of the curve positive slo...
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WO/2006/082681A1 |
There are provided a spectrum analysis method, a distortion detection device, and a distortion compensation amplification device capable of increasing the time/frequency conversion speed and reducing the compensation coefficient converge...
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WO/2006/079181A1 |
This invention relates to frequency estimation for a wide class of signals. In particular it relates to a method for estimating the frequency of a single frequency complex exponential signal in additive Gaussian noise or in additive non ...
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WO/2006/065677A2 |
A method and apparatus are disclosed. The apparatus includes a store (103) of at least one historical sensor measurement, a store of potential cut-off frequencies (106), and a filter (109). Each potential cut-off frequency (106) is assoc...
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WO/2006/061703A1 |
A torque sensing system for a shaft (not shown) comprises a sensor means (100), coupling means (105), interface means (110), and signal processing means (130). The sensor means (100) comprises a pair of SAW resonators (101, 102) mounted ...
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WO/2006/056024A1 |
A method is disclosed for modelling a physical phenomenon that has associated spectral data. The method includes the step of obtaining the spectral data (12) on at least two samples (10) from a material, substrate or electrical activity ...
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WO/2006/054390A1 |
An improved channel detection device for detecting a channel. This channel detecting device comprises a channel-search circuit (3), which decides it when a frequency is detected by a search sweep with a frequency sweep signal on that cha...
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WO/2006/051498A1 |
The process eliminates image rays generated in a frequency converting device generating actual rays and image rays from frequency rays of an input signal. The frequency converting device comprising a mixer (2) mixing the input signal and...
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WO/2006/050704A1 |
Disclosed is a spectrum analyzer comprising a YIG oscillator whose output frequency is to be defined in response to a setpoint frequency request by means of a magnetic field that acts upon a YIG ball, only one tuning coil being provided ...
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WO/2006/049796A2 |
The present invention determines the resonant frequency of a sensor (120) by adjusting the phase and frequency of an energizing signal until the frequency of the energizing signal matches the resonant frequency of the sensor (120). The s...
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WO/2006/044123A1 |
A technique for reducing the likelihood that a frequency detector (106) will incorrectly assert control over a VCO (102) because of metastable-induced errors involves qualifying frequency detector control signals by requiring multiple co...
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WO/2006/039913A1 |
The invention relates to a measuring device for analysis of memory effects in non-linear electronic components or modules (10, 20), characterised in that the components or modules (10, 20) are controlled via the input with a two-tone sig...
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WO/2006/039800A1 |
Methods and systems of analyzing an operating environment of wireless communication equipment in a wireless communication system are provided. A stimulus in the operating environment at a location of the wireless communication equipment ...
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WO/2006/040699A1 |
The present invention relates to a method and apparatus for measuring a frequency or a phase of a measuring signal, wherein the frequency (fg) or the phase (&phgr g) are estimated by approximating the relationship between a collecting cl...
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WO/2006/034763A2 |
The invention relates to a method for performing spectrum analysis of a signal in a plurality of frequency bands with respective different frequency resolutions. Said method comprises a data acquisition step (S10, S20) and a subsequent d...
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WO/2006/034681A1 |
The invention relates to a method for testing A/D converters (10), comprising the following steps: a) generation of a digital test signal, b) generation of an analogue test signal from the digital test signal as an input signal for the A...
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WO/2006/034791A1 |
The invention relates to a method for analysing the spectrum of a signal (s1(t) in several frequency ranges having different frequency resolutions. The method compares the two spectra of the signal (s1(t)) of adjacent frequency ranges in...
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WO/2006/033676A2 |
The present invention relates to a device and method that digitally replicates the analog processing that is normally associated with an instantaneous frequency measurement device. Specifically, the present relates to a digital frequency...
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WO/2006/030188A1 |
A method of measuring the frequency of a received signal comprising the steps of: generating a first phase signal by digitising the phase of the received signal; delaying the first phase signal by a predetermined amount to generate a sec...
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WO/2006/024445A1 |
The invention relates to a method for determining the injection quantity of injectors (11) of a self-igniting internal combustion engine. For this purpose, the ionic current flow in a combustion chamber (10) of the internal combustion en...
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WO/2006/026139A1 |
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 to produce a reference frequency spectrum...
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WO/2006/004569A2 |
An algorithm is provided for a frequency domain reflectometer which takes into account both attenuation per unit length of transmission line and phase shift per unit length of transmission line in a modified Inverse Fourier Transform tha...
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WO/2005/121815A1 |
A wideband signal analyzing apparatus for analyzing an input signal includes frequency-shifting means (10, 13) for generating a plurality of intermediate frequency signals by shifting a frequency of the input signal as much as respective...
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WO/2005/119918A1 |
An analog/digital converting method comprising a measuring step of measuring, in advance, the frequency characteristics of analog/digital converters; a sampling step of sampling an analog signal; a Fourier transforming step of Fourier tr...
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WO/2005/114141A2 |
An engine diagnostic system is provided that enables a service technician to evaluate engine cylinder contribution to output power. The service technician couples one or more signal leads to the vehicle's battery, alternator, or accessor...
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WO/2005/112255A1 |
A self-oscillating class-D amplifier comprising a controller, an amplifier stage, and an output filter is disclosed. The amplifier has a feedback loop arranged to input a signal representing a switching frequency of the amplifier stage a...
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WO/2005/111858A2 |
A signal processing method includes the steps of providing a non-symmetrical polynomial type real basis function having a low pass frequency property, and formulating a transform kernal having a band pass frequency property using the bas...
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WO/2005/101032A1 |
A method of compressing values of a waveform of a monitored electrical power signal. The method includes of acquiring data representative of periods of the waveform (202), decomposing the waveform of the power signal into a plurality of ...
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WO/2005/093367A2 |
A sensor such as a stud sensor having a capacitor plate coupled with a spring to a head to provide a floating head. In other versions, the sensor has an on-switch coupled between a head and a body of a sensor; a head detachable from a bo...
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WO/2005/086630A2 |
A four-port junction is substituted for a six-port junction in a frequency domain reflectometer, which reduces the parts count and therefore cost and size of the reflectometer while improving reliability. The frequency domain reflectomet...
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WO/2005/085882A1 |
As a measure against operating an LSI at a frequency outside a permissible range, reference clocks were caused to occur, and a frequency sensor was provided which counted them to determine the frequency. This approach, however, had probl...
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WO/2005/075942A1 |
There is provided a non-stationary wave analysis system capable of detecting a change of a non-stationary wave with an increased S/N ratio, eliminating the limit of the time resolution of frequency distribution analysis depending on the ...
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WO/2005/072264A2 |
An adjustment system is disclosed for adjusting a proportional, integral, derivative controller in a limited rotation motor system. The adjustment system includes a first transform unit, a second transform unit, a model identification un...
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WO/2005/073819A1 |
A diagnostic system is disclosed for analyzing a limited rotation motor system. The diagnostic system includes a first transform unit, a second transform unit, a closed loop frequency response unit, and a diagnostic system. The first tra...
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WO/2005/073783A1 |
An optimization system is disclosed for optimizing the performance of a laser processing system that employs a limited rotation motor. The optimization system includes an input unit for receiving input parameters including stroke speed, ...
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WO/2005/073782A1 |
A virtual marking system (30) is disclosed for simulating the performance of a limited rotation motor system. The virtual marking system includes a command generation unit (32), a limited rotation motor system unit (34), and an optical-m...
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WO/2005/073737A1 |
It is possible to easily adjust the level of an output signal outputted from an object to be measured in order to suppress adverse affect of characteristics of the object to be measured, on a measurement result. A measurement device incl...
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WO/2005/073738A1 |
The phase of distortion of a signal outputted from an amplifier is measured. A phase measurement device (1) measures an output of an amplifier (20) when an input signal having input frequency components &ohgr 10, &ohgr 20 is given to the...
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WO/2005/069943A2 |
A calibration system for calibrating frequency domain reflectometer in the field by using the scattering parameters of the multi-port junction determined at the factory (101) and changing the offset and gain terms used in generating a co...
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WO/2005/069883A2 |
A multi-port junction is used in combination with an Inverse Fourier Transform to detect distance to fault in an RF transmission line or waveguide without the use of heterodyne down-conversion circuits. To provide an ultra-wide bandwidth...
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