Patents for H03H 21 - Adaptive networks (3,855)
01/2006
01/05/2006DE19525381B4 Verfahren zur Steuerung der Schrittweite eines Echokompensators mit adaptivem Filter Method for controlling the step size of an echo canceller with an adaptive filter
01/04/2006CN1716931A Equalizer capable of adjusting step size and equalization method thereof
01/04/2006CN1716926A Method and apparatus to automatically control a step size of an LMS type equalizer
01/03/2006US6983136 Directly tuned filter and method of directly tuning a filter
12/2005
12/29/2005US20050286644 Adaptive filter architecture with efficient use of voltage-to-current converters
12/29/2005US20050286625 Equalizer capable of adjusting step size and equalization method thereof
12/29/2005US20050286624 Method and apparatus to automatically control a step size of an LMS type equalizer
12/29/2005US20050286623 Adaptive filter structure with two adaptation modes
12/29/2005US20050285667 Sign-sign least means square filter
12/28/2005CN1714515A Method and apparatus for pilot estimation using prediction error method
12/28/2005CA2510914A1 Equalizer capable of ajdusting step size and equalization method thereof
12/28/2005CA2508383A1 Method and apparatus to automatically control a step size of an lms-type equalizer
12/27/2005US6980592 Digital adaptive equalizer for T1/E1 long haul transceiver
12/22/2005US20050281327 Hierarchical adaptive equalizer and design method thereof
12/22/2005DE19525382B4 Verfahren zur Steuerung der Schrittweite eines Echokompensators mit adaptivem Filter Method for controlling the step size of an echo canceller with an adaptive filter
12/20/2005US6977609 Technique for changing a range gate and radar coverage
12/15/2005DE102004025471A1 Verfahren bzw. adaptives Filter zum Verarbeiten einer Folge aus Eingabe-Daten eines Funksystems Method and adaptive filter for processing a sequence of input data of a radio system
12/14/2005CN1232047C Self-adaptive equalizer circuit
12/13/2005US6976045 Variable sample rate recursive digital filter
12/13/2005US6975838 Adaptive radio transceiver with noise suppression
12/13/2005US6975140 Adaptive data transmitter having rewriteable non-volatile storage
12/08/2005WO2004059899A3 Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback
12/08/2005US20050271135 Receiving device and analog-to-digital conversion device
12/07/2005EP1425850A4 Circuits and methods for compensating switched mode amplifiers
12/07/2005EP1374399B1 Aliasing reduction using complex-exponential modulated filterbanks
12/01/2005US20050265560 Indoor communication system for a vehicular cabin
11/2005
11/30/2005CN1229919C Adaptive line enhancer and adaptive line enhancing method
11/29/2005US6970896 Method and apparatus for generating a set of filter coefficients
11/24/2005US20050261898 Method and adaptive filter for processing a sequence of input data
11/23/2005EP1598935A2 Adaptive filter and corresponding method for processing a sequence of inputs in a radio system
11/23/2005EP1479163B1 Method of blind signal separation
11/22/2005US6968352 Device for digital processing with frequency filtering and reduced computation complexity
11/22/2005US6968167 Adaptive radio transceiver with calibration
11/17/2005US20050254567 Transmit amplitude independent adaptive equalizer
11/17/2005US20050254566 Transmit amplitude independent adaptive equalizer
11/17/2005US20050254565 Transmit amplitude independent adaptive equalizer
11/17/2005US20050253541 Method for measuring the rotational speed of an EC motor
11/16/2005EP1596493A1 Method for measuring the speed of an electronically commutated motor
11/16/2005CN1697332A Linear filter equalizer
11/16/2005CN1227812C Generating coefficients for prediction filter in encoder
11/15/2005US6965640 Method and apparatus for generating a set of filter coefficients providing adaptive noise reduction
11/10/2005US20050249274 Linear filter equalizer
11/03/2005US20050243903 PHY control module for a multi-pair gigabit transceiver
11/02/2005EP1592282A1 Sound collecting method and sound collecting device
11/02/2005EP1591995A1 Indoor communication system for a vehicular cabin
11/01/2005US6961718 Vector estimation system, method and associated encoder
11/01/2005US6961546 Adaptive radio transceiver with offset PLL with subsampling mixers
11/01/2005US6961423 Method and apparatus for performing adaptive filtering
10/2005
10/27/2005US20050240642 Method and system for on-line blind source separation
10/26/2005CN1689072A Method and system for processing subband signals using adaptive filters
10/20/2005WO2005099092A1 Signal processing device and method, and signal decoding device and method
10/19/2005CN1685429A Adaptive noise reduction method and device
10/19/2005CN1224045C Adaptive equalizer operating controlled with output signal symbol and absolute value and method thereof
10/18/2005US6957240 Method and apparatus for providing an error characterization estimate of an impulse response derived using least squares
10/18/2005US6956914 Transmit amplitude independent adaptive equalizer
10/18/2005US6956897 Reduced rank adaptive filter
10/11/2005US6954771 Adaptive line enhancer
10/11/2005US6954494 Online blind source separation
10/06/2005US20050219985 Reproduced signal processor and reproduced signal processing method
10/06/2005US20050218973 Bandwidth adaptation rule for adaptive noise filter for inverse filtering with improved disturbance rejection bandwidth and speed
09/2005
09/29/2005US20050216542 Transform domain adaptive filter, equalizer and wireless communication device using the same, and decision feedback equalization method
09/20/2005US6947550 Acoustic echo cancellation
09/15/2005WO2005067143A3 Feed forward filter
09/13/2005US6944218 Adaptive filter having a small circuit scale with a low power consumption and tap-coefficients updating method of adaptive filter
09/07/2005EP1570464A1 System and method for speech processing using independent component analysis under stability constraints
09/06/2005US6940898 Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback
09/01/2005US20050190832 Decision feedback equalizer with dynamic feedback control
08/2005
08/31/2005CN1217483C Method for processing signals in CSD filter and circuit suitable for it
08/25/2005WO2005069491A3 Method of filtering binary data
08/25/2005US20050186930 Adaptive radio transceiver with offset PLL with subsampling mixers
08/25/2005US20050186925 Adaptive radio transceiver with floating MOSFET capacitors
08/25/2005US20050186917 Adaptive radio transceiver with noise suppression
08/24/2005CN1659782A Adaptive multistage wiener filter
08/18/2005US20050181754 Adaptive radio transceiver with calibration
08/18/2005US20050180498 High speed decision feedback equalizer
08/18/2005US20050180497 Adaptive digital filter
08/18/2005US20050179582 Radar detection method and apparatus
08/17/2005EP1442569B1 Zf-based adaptive asynchronous receiver
08/17/2005CN1656766A Self-adaptive pre-equalizing method and apparatus
08/17/2005CN1656699A Bandwidth adaptation rule for adaptive noise filter for inverse filtering with improved disturbance rejection bandwidth and speed
08/17/2005CN1215713C System for processing data stream received from transmission channels
08/11/2005WO2005072331A2 Equalized signal path with predictive subtraction signal
08/10/2005EP0988699B1 Sharing resources in a digital filter
08/10/2005CN1653539A Reproduced signal processor and produced signal processing method
08/09/2005US6928106 Phy control module for a multi-pair gigabit transceiver
08/04/2005WO2005071848A1 Fully adaptive equalization for high loss communications channels
08/04/2005US20050171744 System Identification Method
08/03/2005EP0983678B1 Method and device for reducing multi-channel acoustic echo and adapting sound to space conditions
07/2005
07/28/2005WO2005069491A2 Method of filtering binary data
07/28/2005US20050163331 Band-limited adaptive feedback canceller for hearing aids
07/28/2005US20050163259 Processing device and processing method
07/28/2005US20050163249 Predistortion circuit and method for compensating linear distortion in a digital RF communications transmitter
07/28/2005US20050163208 Equalized signal path with predictive subtraction signal and method therefor
07/28/2005US20050163205 Equalized signal path with predictive subtraction signal and method therefor
07/26/2005US6922403 Acoustic echo control system and double talk control method thereof
07/21/2005WO2005067236A1 Feedback filter
07/21/2005WO2005067143A2 Feed forward filter
07/21/2005DE19811039B4 Verfahren und Vorrichtungen zum Codieren und Decodieren von Audiosignalen Methods and apparatuses for encoding and decoding of audio signals
07/20/2005CN1211755C System and method for adaptive filtering
07/19/2005US6920311 Adaptive radio transceiver with floating MOSFET capacitors
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