Patents for H03H 21 - Adaptive networks (3,855)
09/2010
09/01/2010CN201571030U Intelligent tracking tunable band-pass filtering device
09/01/2010CN101820269A Iterative square root central difference Kalman particle filtration method
08/2010
08/26/2010US20100217587 Signal processing method and device
08/25/2010CN101814905A System and method for active noise control with parallel adaptive filter configuration
08/24/2010US7783032 Method and system for processing subband signals using adaptive filters
08/18/2010CN101807903A Self-adapting filter, filtration method and repeater
08/05/2010US20100196017 Distortion compensating apparatus, optical receiving apparatus, and optical transmitting and receiving system
08/04/2010EP2214333A1 Distortion compensating apparatus, optical receiving apparatus, and optical transmitting and receiving system
08/04/2010CN101795123A Distribution type non-linear filtering method
07/2010
07/28/2010CN101789771A Pulse noise active control method based on logarithm conversion
07/27/2010US7765089 Blind signal separation
07/22/2010US20100182100 Emc filter
07/14/2010EP1356589B1 Asymmetric multichannel filter
07/14/2010CN101777887A FPGA (Field Programmable Gata Array)-based unscented kalman filter system and parallel implementation method
07/13/2010US7756472 Adaptive radio transceiver with filtering
06/2010
06/29/2010CA2318707C Adaptively peaked super-regenerative filter
06/24/2010WO2010069365A1 Methods and apparatuses for estimation and compensation of nonlinearity errors
06/24/2010WO2009050434A3 Equation solving
06/24/2010CA2747027A1 Methods and apparatuses for estimation and compensation of nonlinearity errors
06/23/2010EP2198525A1 Method and apparatus for signal acquisition in ofdm receivers
06/16/2010EP1224735B1 An adaptive radio transceiver
06/16/2010CN1714514B Adaptive channel filter in mobile telephone receivers
06/15/2010US7739321 Method and adaptive filter for processing a sequence of input data
06/09/2010CN1892822B Method and apparatus for noise suppression
06/09/2010CN1870428B Signal processing circuit and method, imaging apparatus, recording apparatus, and playing apparatus
06/02/2010EP2192694A1 System identifying device and system identifying method
06/02/2010DE19535839B4 Automatischer Amplitudenentzerrer An automatic amplitude
06/02/2010CN1714515B Method and apparatus for pilot estimation using prediction error method
06/02/2010CN101192411B Large distance microphone array noise cancellation method and noise cancellation system
05/2010
05/27/2010US20100127791 Filter-tracking and control method
05/26/2010CN1689072B Method and system for processing subband signals using adaptive filters
05/26/2010CN101715130A Adaptive decimation filter
05/26/2010CN101218744B Adaptive digital filter, FM receiver, digital processing method
05/20/2010WO2010055650A1 Adaptive filter and echo canceller having same
05/19/2010CN101710825A Adaptive filter, implementation method thereof and repeater
05/19/2010CN101072019B Wave filter and its filtering method
05/18/2010US7720444 Adaptive radio transceiver with a local oscillator
05/18/2010US7720233 Signal processing method and apparatus
05/18/2010US7720139 Equaliser circuit
05/12/2010EP1794965B1 Feed forward equalizer for a communication system
05/05/2010CN1473403B Echo cancellor based quick convergent affine projection device and method
05/05/2010CN101702091A Method for controlling random vibration of electro-hydraulic servo system based on self-adaptive wave filters
05/04/2010US7711042 Signal processing device and method, and signal decoding device and method
04/2010
04/28/2010CN1836372B System estimation method, system estimation device
04/14/2010CN1719516B Adaptive filter device and adaptive filtering method
04/13/2010US7697900 Adaptive radio transceiver with an antenna matching circuit
04/13/2010US7696705 Method for measuring the rotational speed of an EC motor
04/08/2010US20100086026 Adaptive decimation filter
04/07/2010EP2172901A1 Computerized method, storage medium, and system
04/06/2010US7693214 Receiving device and analog-to-digital conversion device
03/2010
03/30/2010US7689637 Adaptive filtering method and related device
03/30/2010US7688887 Precision adaptive equalizer
03/25/2010WO2010033405A1 Method and apparatus for detecting respiratory effort in a medical device
03/25/2010WO2010033401A1 Method and apparatus for determining a respiration parameter in a medical device
03/25/2010WO2010033400A1 Filtering of a physiologic signal in a medical device
03/11/2010WO2010027722A1 Method for determining updated filter coefficients of an adaptive filter adapted by an lms algorithm with pre-whitening
03/02/2010US7672368 PHY control module for a multi-pair gigabit transceiver
02/2010
02/24/2010CN100592627C Variable-sample rate recursive digital filter and corresponding method
02/03/2010CN101640523A Kalman filter based on field programmable gate array
01/2010
01/27/2010CN101635564A Aliasing reduction using complex-exponential modulated filterbanks
01/27/2010CN101635563A Aliasing reduction using complex-exponential modulated filterbanks
12/2009
12/24/2009DE10248052B4 Vorrichtung und Verfahren zum Nachführen eines Abtastzeitpunktes in Funkempfängern Apparatus and method for tracking a sampling in radio receivers
12/23/2009CN101609695A Optical information recording method, optical information reproduction method and optical disk device
12/23/2009CN100573440C Parallel-serial multiplication-addition device
12/17/2009DE19728782B4 Nichtlineares Filter für schwingungsbehaftete Gebersignale Non-linear filter for vibration-prone encoder signals
12/16/2009CN201365232Y Kalman filter based on field programmable gate array
12/10/2009DE10135566B4 Verfahren und System zur aktiven Minderung der Schallabstrahlung von Triebwerken Method and system for active reduction of sound radiation of engines
12/09/2009CN101600030A Digital adaptive filter and filtering method thereof
11/2009
11/19/2009US20090286487 Adaptive radio transceiver
11/19/2009DE102008026518A1 Automatic computer-based digital filter i.e. low pass filter, coefficients determining method for signal processing device, involves uniquely determining coefficients of digital filter from predetermined and non-predetermined input vectors
11/11/2009CN101577536A Method for realizing improved LMS algorithm
11/11/2009CN100559708C Adaptive equalizer system for short burst modems and link hopping radio networks
11/05/2009US20090273414 Multi-Channel Filter Assemblies
11/04/2009CN101572533A Composite layered anti-interference filter
11/03/2009CA2179871C Method for reducing noise in speech signal
10/2009
10/28/2009CN101568033A In-loop adaptive wiener filter for video coding and decoding
10/28/2009CN100555862C Aliasing reduction using complex-exponential modulated filterbanks
10/13/2009US7603401 Method and system for on-line blind source separation
10/13/2009CA2274173C Method and apparatus for adaptive equalization in the presence of large multipath echoes
10/06/2009US7599432 Method and apparatus for dynamically inserting gain in an adaptive filter system
10/01/2009US20090244395 N dimensional non-linear, static, adaptive digital filter design using d scale non-uniform sampling
09/2009
09/24/2009WO2008088257A9 Improved load estimation for a cell in a wireless network
09/15/2009US7590528 Method and apparatus for noise suppression
09/15/2009US7590250 Analog audio signal enhancement system using a noise suppression algorithm
09/10/2009US20090226165 Apparatus and method of controlling tap coefficient of transversal filer, optical receiver apparatus, and optical communication system
09/02/2009CN101521497A Self-adapting up-sampling filter
08/2009
08/27/2009DE10146825B4 Programmierbare Impedanzsteuerschaltung Programmable impedance control circuit
08/26/2009EP1334554B1 Adaptive line enhancer
08/26/2009CN101516260A Cancellation of contact artifacts in a differential electrophysiological signal
08/26/2009CN100534001C Sound collecting method and sound collecting device
08/26/2009CN100533973C Minimum standard deviation self-adapting filter and method for realizing the same
08/19/2009CN100531274C Digital adaptive filter and acoustic echo canceller using the same
08/13/2009DE102008039330A1 Vorrichtung und Verfahren zum Berechnen von Filterkoeffizienten zur Echounterdrückung Apparatus and method for computing filter coefficients for echo suppression
08/05/2009CN100524466C Echo elimination device for microphone and method thereof
08/05/2009CN100524464C Adaptive filter method and apparatus for improving speech quality of mobile communication apparatus
07/2009
07/29/2009CN101494448A Serial self-adapting noise elimination module based on FPGA design
07/28/2009US7567615 Adaptive equalization circuit and adaptive equalization method
07/22/2009CN100518030C Multiple user detection method and device, and self adaptive filter detector therein
07/15/2009EP2077751A2 Cancellation of contact artifacts in a differential electrophysiological signal
07/15/2009CN100514954C Self-adaptive pre-equalizing method and apparatus
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