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WO/2012/059909 |
A method and adaptive processor for estimating a reference signal, comprising a method for estimating a reference signal comprising: A method for estimating a parametric representation of a reference signal using, comprising: receiving a...
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WO/2012/046582 |
The disclosed signal processing device, signal processing method, and signal processing program remove, without delay and at low processing cost, a second signal from a mixed signal in which a first signal and a second signal are mixed. ...
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WO/2011/129725 |
The present invention relates to a method and arrangement for an improved noise canceller in a speech encoder. Sound signals are captured at a primary microphone in conjunction with a reference microphone. An adaptive shadow filter is ad...
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WO/2011/123026 |
A method for linear filtering of noise in a sensorgram generated from a surface plasmon resonance apparatus, the method comprising: providing a linear filter of variable length to filter an output signal in the sensorgram; and determinin...
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WO/2011/106936 |
The invention relates to a filter device for filtering an input signal, the input signal comprising a clock signal having a clock frequency. The filter device comprises a filter (101) for filtering the input signal with a first set of fi...
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WO/2011/100491 |
Various methods and systems are provided for related to adaptive systems using correntropy. In one embodiment, a signal processing device includes a processing unit and a memory storing an adaptive system executable in the at least one p...
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WO/2011/100491 |
Various methods and systems are provided for related to adaptive systems using correntropy. In one embodiment, a signal processing device includes a processing unit and a memory storing an adaptive system executable in the at least one p...
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WO/2011/069230 |
A dynamically selectable resistor network is provided in a star configuration for producing a weighted sum of input values, without attenuation from near zero contributions. Each branch of the star connected network comprises sets of imp...
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WO/2011/016769 |
A method for linear filtering of noise in a SPR sensorgram generated from a surface plasmon resonance apparatus is provided. The method includes providing a linear filter of variable length to filter an output signal in the sensorgram. T...
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WO/2010/111619 |
A voltage mode transmitter equalizer has high efficiencies, yet consumes substantially constant supply current from the power supply and provides constant back-match impedance. The voltage mode transmitter equalizer is configured such th...
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WO/2010/069365 |
An estimation unit (30, 30a-c) for estimating a nonlinearity error of a conversion circuit (10), such as an ADC, adapted to receive a continuous-time input signal and output a digital output signal. The continuous-time input signal is es...
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WO/2010/055650 |
Provided is an adaptive filter which can prevent increase of an adaptation error in a double talk state without requiring arrangement of a double talk detection circuit. The adaptive filter includes a tap coefficient setting unit (202) ...
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WO/2010/033400 |
A system and method for filtering a pressure signal in a medical device in which a sensor terminal senses the pressure signal, an electrode terminal receives cardiac electrical signals, a signal filtering system filters the sensed pressu...
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WO/2010/033405 |
A medical device for determining a respiratory effort having a pressure sensor to sense pressure signals, a housing having system components positioned therein, and a microprocessor positioned within the housing, wherein the microprocess...
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WO/2010/033401 |
An apparatus for determining a respiration parameter in a medical device in which a pressure sensor senses pressure signals, and a signal processor, coupled to the pressure sensor, receives the sensed pressure signals and generates corre...
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WO/2010/027722 |
The application relates to a method for determining at least one updated filter coefficient of an adaptive filter (22) adapted by an LMS algorithm. According to the method, filter coeffi-cients of a first whitening filter (25') are deter...
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WO/2009/064653 |
A receiver includes a subspace filter having first (410) and second (420) basis filters, with the first (410) basis filter module generating a weighted average channel estimate (767). The receiver collects a plurality of channel estimate...
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WO/2009/050434 |
A method for obtaining an estimate of a solution to a first system of linear equations. The method comprises obtaining a second system of linear equations, obtaining an estimate of a solution to said second system of linear equations, de...
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WO/2009/038182 |
A system identifying device for identifying an unknown system interposed between first and second input terminals. The system identifying device preferably comprises adaptive and dependent filters which receive a signal supplied through ...
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WO/2009/018655 |
A method and apparatus for signal acquisition in an OFDM receiver relies on a preamble training sequence to synchronize the receiver in time (e.g. determining the start of a frame) and in frequency (carrier frequency offset compensation)...
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WO/2008/126287 |
A selection function section (11) selects an optimal candidate of a control signal (y*) controlling a speaker (6) to generate a control sound for suppressing noise among a plurality of control signal candidates (y1-yn). For the purpose o...
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WO/2008/110015 |
Embodiments of the invention provide an adaptive notch filter that employs a power detector as a feedback control mechanism to steer the notch filter. One such embodiment of the invention provides adaptive control of the notch filter cap...
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WO/2008/088257 |
The invention is directed towards a method of estimating the load on a cell in a wireless network as well as to a cell load estimating device. According to the invention a 5 determination (46) is made of a value (R) indicative of the deg...
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WO/2008/088257 |
The invention is directed towards a method of estimating the load on a cell in a wireless network as well as to a cell load estimating device. According to the invention a 5 determination (46) is made of a value (R) indicative of the deg...
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WO/2008/081335 |
The present invention discloses a method for cancellation of local contact artifacts from differential recordings of electrophysiological signals, using reference inputs for modeling of the noise expressions in the composite differential...
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WO/2008/081335 |
The present invention discloses a method for cancellation of local contact artifacts from differential recordings of electrophysiological signals, using reference inputs for modeling of the noise expressions in the composite differential...
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WO/2008/075548 |
Provided is an equalization filter which solves a problem of limiting a range wherein distortion of a transmission signal can be compensated. A measuring instrument (104) measures a distortion quantity that characterizes distortion of th...
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WO/2008/029643 |
An equalization filter circuit includes: a first transmission line having an input terminal (101) dependently connected to a plurality of first delay devices (104a); a second transmission line having an output terminal (102) dependently ...
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WO/2008/029532 |
A reproduced signal processing apparatus for subjecting signals read from a recording medium to adaptive processings for reproduction. In this apparatus, the read signal is filtered by a base line circuit (103) such that the DC component...
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WO/2008/007330 |
According to the general concept disclosed herein a circuit for adaptive matching of a load impedance (z load) to a predetermined load-line impedance of a load-line connected to a power amplifier (300) output comprises a fixed matching n...
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WO/2007/142111 |
[PROBLEMS] To detect divergence of a coefficient of an adaptive filter without setting in advance, a threshold value based on characteristics of a device or an environment from which a noise is to be erased. [MEANS FOR SOLVING PROBLEMS] ...
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WO/2007/119766 |
A large-scale sound system or communication system is numerically and stably identified. When an input signal is represented by the M(≤ N)-th order AR model, high-speed H∞ filtering can be performed with a computational complex 3N + ...
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WO/2007/115010 |
A noise level of an input signal is determined by a noise calculation module. based on the noise level, a boundary setting module sets a reduced constellation boundary interval. This reduced constellation boundary interval is employed by...
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WO/2007/111560 |
In signal processing using digital filtering the representation of a filter is adapted depending on the filter characteristics. If e.g. a digital filter is represented by filter coefficients for transform bands Nos. 0, 1,..., K in the fr...
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WO/2007/111560 |
In signal processing using digital filtering the representation of a filter is adapted depending on the filter characteristics. If e.g. a digital filter is represented by filter coefficients for transform bands Nos. 0, 1,..., K in the fr...
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WO/2007/105152 |
There is provided a method that comprises identifying a parasitic signal transfer in a filter using a signal-directed graph; and adding compensation paths to the filter to reduce or eliminate the effect of the parasitic signal transfer. ...
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WO/2007/105152 |
There is provided a method that comprises identifying a parasitic signal transfer in a filter using a signal-directed graph; and adding compensation paths to the filter to reduce or eliminate the effect of the parasitic signal transfer. ...
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WO/2007/096466 |
Information on orbits like those of the Global Navigation Satellite Systems (GNSS) or other transmitters is collected in Near Real-Time (NRT) from global or local computing centres like those of the IGS. Carrier-phase reconstructions of ...
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WO/2007/091363 |
An adaptive digital filter for removing the influence of the characteristics of a transmission channel such as a multipath from the digital demodulated signal and removing the influence of the DC component included in the demodulated sig...
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WO/2007/051693 |
An apparatus, system, and method are disclosed for adaptive asynchronous equalization using leakage. An equalizer sums products of a plurality of tap signals from a delay line sampling a read signal and a plurality of corresponding tap c...
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WO/2007/051693 |
An apparatus, system, and method are disclosed for adaptive asynchronous equalization using leakage. An equalizer sums products of a plurality of tap signals from a delay line sampling a read signal and a plurality of corresponding tap c...
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WO/2007/048692 |
An unknown transmission function (H) comprising an input signal (x) and an actual output signal (d) is estimated. According to the invention, an estimated output signal (y) is generated by means of an adaptive process (2) using the input...
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WO/2007/048682 |
An unknown transmission function comprising an input signal (x) and an actual output signal (y) is estimated. According to the invention, an estimated output signal (y) is generated by means of an adaptive process (2) using the input sig...
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WO/2007/020324 |
An impedance matching system may be used, for example, for impedance matching between a transmitter/receiver front-end and an antenna in a mobile communication device. In a tunable impedance matching system according to the invention a t...
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WO/2007/013315 |
[PROBLEMS] To provide an adaptive filter capable of sufficiently reducing a mean square error of an error signal. [MEANS FOR SOLVING PROBLEMS] An adaptive filter includes: a first transversal filter (11) for inputting an input signal; a ...
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WO/2007/010678 |
An input terminal (301) receives a complex signal having, in its real and imaginary parts, one and the other of two signals, respectively, which are generated from a single real signal and which are deviated in phase from each other by 9...
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WO/2007/010849 |
An adaptive digital filter includes: a filter unit for generating an output signal by convolution of an input signal and a filter coefficient for output: or a filter unit for inputting a complex signal having two signals generated from o...
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WO/2007/010727 |
A complex signal having one signal in a real part and the other signal in an imaginary part, the two signal being generated from one real signal and having phases shifted by 90 degrees from each other, is inputted into an input terminal ...
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WO/2007/010889 |
An adaptive digital filter includes: a filter unit having a plurality of multipliers (3360 to 336N-1) grouped into at least one multiplier and the other multipliers according to expectation values of filter coefficients and generating a ...
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WO/2006/097771 |
A method for estimating a system state, for example an aircraft trajectory, in a decentralised network having a plurality of nodes, each node having means for receiving and sending information and means for processing information, and ea...
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