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Patent Searching and Data


Matches 501 - 550 out of 9,178

Document Document Title
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 (...  
WO2006071572A3
A sensor (100) for sensing an electric field includes a movable sensor probe (110), (HO') including one or more pair, typically three pair, of electrically conductive electrodes (HOx), (11Oy), (11Oz) , and may include one or more pair of...  
WO2006071571A3
A method (220) for sensing an electric field includes processing (220) digitized electric field signals, e.g., from an electric field sensing probe (110), (110'). The processing (220) may include performing a Fast Fourier Transform (224)...  
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...  
WO/2006/104770A3
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...  
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...  
WO2006076488A3
In the invention, a four-port junction (10) has a port (12) connected to an RF signal source (14). The four-port junction (10) also has an antenna port (16) coupled to a combined transmit/receive antenna (18). Two ports (20, 22) of the f...  
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...  
WO2005111609A3
Methods for diagnosing altered neuropathology in an animal are disclosed, wherein said methods comprise imaging brain, spinal cord, or other neural tissue of the animal, analyzing the appearance of the tissue, and determining whether the...  
WO2006080939A3
A method (5) for determining the most likely composition of a sample, comprising obtaining data from a sample, wherein the data comprises a representation of a measured spectrum and determining the most likely composition of the sample b...  
WO2006065677A3
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...  
WO2006049796A3
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...  
WO2006004569A3
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...  
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...  
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 ...  
WO2006051499A3
The process distinguishes image rays and actual rays generated in a frequency converting device from frequency rays of an input signal. The frequency converting device comprises at least a mixer (2) mixing the input signal and a signal p...  
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...  
WO2006034763A3
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...  
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 ...  
WO2005069883A3
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...  
WO2005086630A3
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...  
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 ...  
WO2005069943A3
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO2005114141A3
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...  
WO2004088454A3
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 receiver. The method uses 4
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...  
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...  
WO2005093367A3
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...  
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...  
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...  
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...  
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...  
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 ...  
WO2005072264A3
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...  
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...  

Matches 501 - 550 out of 9,178