Patents for H03H 21 - Adaptive networks (3,855)
06/2008
06/04/2008CN101192411A Large distance microphone array noise cancellation method and noise cancellation system
06/03/2008US7383178 System and method for speech processing using independent component analysis under stability constraints
05/2008
05/28/2008EP1695446A4 Method and apparatus for dynamically inserting gain in an adaptive filter system
04/2008
04/30/2008EP1916767A1 A method and an apparatus for reducing interference frequencies by using a notch filter
04/30/2008EP1915819A1 Integrated load impedance sensing for tunable matching networks
04/29/2008US7366234 Adaptive equalization apparatus and adaptive equalization method
04/24/2008WO2008007330A3 Load-line adaptation
04/23/2008EP1421700A4 Digital equalization process and mechanism
04/17/2008DE19618916B4 Verfahren zum Ausgleich eines Frequenz-Offsets in einer Empfangseinheit einer Funkstation in einem Mobil-Kommunikationssystem und derartige Empfangseinheit A method for compensating a frequency offset in a receiving unit of a radio station in a mobile communication system and such receiver unit
04/16/2008EP1912080A2 Automotive radar systems and techniques
04/09/2008EP1909393A1 Adaptive digital filter, signal processing method, fm receiver, and program
04/08/2008US7356310 Adaptive radio transceiver with floating MOSFET capacitors
04/08/2008US7356196 Adaptive multistage wiener filter
04/02/2008EP1906530A1 Adaptive digital filter, fm receiver, signal processing method, and program
04/02/2008EP1906529A1 Adaptive digital filter, signal processing method, fm receiver, and program
04/02/2008EP1906528A1 Adaptive digital filter, fm receiver, signal processing method, and program
04/01/2008US7353245 Adaptive filter coefficient determination
04/01/2008US7353243 Reconfigurable filter node for an adaptive computing machine
04/01/2008US7352872 Filter circuit and method for processing an audio signal
03/2008
03/26/2008EP1110315B1 Acoustic echo and noise cancellation
03/26/2008CN101150304A Quick self-adapted noise elimination module based on FPGA design
03/25/2008US7349673 Adaptive radio transceiver with an antenna matching circuit
03/25/2008US7349468 Methods and devices for shortening the convergence time of blind, adaptive equalizers
03/19/2008CN201039101Y Power modulation filter frequency calibration device
03/13/2008WO2008029643A1 Equalization filter circuit
03/13/2008WO2008029532A1 Reproduced signal processing apparatus
03/13/2008US20080063230 Band-limited adaptive feedback canceller for hearing aids
03/13/2008US20080063229 Band-limited adaptive feedback canceller for hearing aids
03/12/2008CN100375473C Method of reconstructing data transmitted over a transmission path in a receiver and corresponding device
03/11/2008US7342982 Demodulation apparatus for a network transceiver and method thereof
03/06/2008US20080056342 Pulse amplitude modulation circuit with pulse width equalization
03/04/2008US7339990 Processing a received signal at a detection circuit
02/2008
02/26/2008US7336983 Pulse oximeter with parallel saturation calculation modules
02/26/2008US7336734 Method and device for the fourth-order, blind identification of an under-determined mixture of sources
02/20/2008CN101127828A Self-adapted filtering method for mobile image
02/13/2008CN101122637A SINS/GPS combined navigation self-adaptive reduced-dimensions filtering method for SAR movement compensation
02/06/2008CN100367790C Equalizing system contg comb filter in HDTV system
01/2008
01/24/2008WO2007105152A3 Radio receiver
01/16/2008EP1879047A2 Automotive radar systems and techniques
01/16/2008EP1879046A2 Automotive radar systems and techniques
01/16/2008EP1879045A2 Automotive radar systems and techniques
01/10/2008US20080007368 Apparatus and methods for forming electrical networks that approximate desired performance characteristics
01/08/2008US7317757 Transmit amplitude independent adaptive equalizer
01/02/2008EP1873551A1 Automotive radar systems and techniques
01/01/2008US7315753 Pulse oximeter with parallel saturation calculation modules
12/2007
12/26/2007EP1870730A2 Automotive radar systems and techniques
12/26/2007EP1870729A2 Automotive radar systems and techniques
12/26/2007EP1870728A2 Automotive radar systems and techniques
12/26/2007EP1869491A1 Networks
12/25/2007US7313181 Calibration of scale factor in adaptive equalizers
12/13/2007WO2007142111A1 Noise erasing device and method, and noise erasing program
12/13/2007WO2007111560A3 Filter adaptive frequency resolution
12/13/2007US20070285154 Adaptive radio transceiver with filtering
12/05/2007CN101083462A Minimum standard deviation self-adapting filter and method for realizing the same
11/2007
11/29/2007DE10354557B4 Verfahren und Vorrichtungen zur Prädiktion von in einem Empfangssignal enthaltenen Rauschen sowie ein digitaler Empfänger A method and apparatus for predicting a receive signal contained in a digital receiver as well as noise
11/27/2007US7302284 Pulse oximeter with parallel saturation calculation modules
11/20/2007US7299251 Adaptive filter
11/14/2007CN101072019A Wave filter and its filtering method
11/14/2007CN100349386C Echo eliminator and use method thereof
11/13/2007US7294109 Method and apparatus for a morphology-preserving smoothing filter
11/06/2007US7293055 Flexible adaptation engine for adaptive transversal filters
11/06/2007US7292699 Band-limited adaptive feedback canceller for hearing aids
10/2007
10/30/2007US7289586 Signal processing apparatus and method
10/30/2007US7289557 Adaptive equalization using a conditional update sign-sign least mean square algorithm
10/30/2007US7289555 Method and system for signal processing using vector output from scalar data
10/25/2007WO2007119766A1 System identifying method and program, storage medium, and system identifying device
10/25/2007US20070250300 Method for Controlling a Microbiological Process on the Basis of Successive Temporal Derivatives of State Variables
10/25/2007CA2647281A1 System identification method and program, storage medium, and system identification device
10/23/2007US7286596 Training method for recording medium reproduction equalizer and recording medium reproduction apparatus
10/23/2007US7286006 Sign-sign least means square filter
10/11/2007WO2007115010A1 Effective adaptive filtering techniques
10/10/2007EP1842286A1 Monolithically integrated switchable circuits with mems
10/09/2007US7280654 Modified affine projection algorithm for non-stationary signal
10/04/2007US20070230557 Adaptive signal equalizer with adaptive error timing and precursor/postcursor configuration control
10/03/2007EP1841065A1 Modified least-mean-squares method with reduced computational complexity
09/2007
09/26/2007EP1407544B1 Filter circuit and method for processing an audio signal
09/26/2007EP0829147B1 System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process
09/26/2007CN101042871A Noise removing method and device
09/20/2007WO2007105152A2 Radio receiver
09/18/2007US7272177 Demodulation apparatus for a network transceiver and method thereof
09/04/2007US7266145 Adaptive signal equalizer with adaptive error timing and precursor/postcursor configuration control
08/2007
08/30/2007WO2007096466A1 A method for calibrating teh carrier-phases of radio signals from satellites and other transmitters by using fast kalman filtering
08/21/2007CA2307845C Echo canceller employing dual-h architecture having improved coefficient transfer
08/16/2007WO2007091363A1 Adaptive digital filter and receiver
08/16/2007DE19824171B4 Verfahren und Verarbeitungssystem zum iterativen Aktualisieren der Koeffizienten eines adaptiven Filters Procedures and processing system for iteratively updating the coefficients of an adaptive filter
08/09/2007US20070185693 System estimation method and program, recording medium, and system estimation device
07/2007
07/10/2007US7242710 Aliasing reduction using complex-exponential modulated filterbanks
07/03/2007US7239660 Adaptive filter with GSPT LMS algorithm for reducing complexity
07/03/2007CA2173779C Spread spectrum signal receiver
06/2007
06/28/2007WO2007051693A3 Adaptive asynchronous equalization using leakage
06/28/2007US20070147490 Filter coefficient adjusting circuit
06/27/2007EP1801788A1 Advanced periodic signal enhancement
06/27/2007EP1800400A1 Method for stabilizing an adaptive algorithm and device for carrying out said method
06/19/2007US7233772 Adaptive radio transceiver with filtering
06/13/2007EP1794965A2 Feed forward equalizer for a communication system
06/13/2007EP1592282B1 Teleconferencing method and system
06/13/2007EP1523838B1 Adaptive pre-equalization method and apparatus
06/12/2007US7231234 Method and apparatus for reducing echo in a communication system
06/12/2007CA2397080C Sub-band adaptive signal processing in an oversampled filterbank
06/06/2007CN1976225A Frequency tracking power frequency digital filtering method
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