| Patents for H03H 21 - Adaptive networks (3,855) |
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| 03/14/2012 | CN101645264B Optimal active time-reversal focusing method based on iterative least square/pre-filtering |
| 02/28/2012 | US8126949 Reconfigurable filter node for an adaptive computing machine |
| 02/22/2012 | CN102361437A Adaptive low pass filter |
| 02/15/2012 | CN102355233A Active control algorithm on transformer noise through synthesizing reference signals |
| 02/14/2012 | US8116690 Adaptive radio transceiver with floating mosfet capacitors |
| 02/09/2012 | US20120032723 System and method for signal limiting |
| 01/19/2012 | DE102010009459B4 Hörvorrichtung mit parallel betriebenen Rückkopplungsreduktionsfiltern und Verfahren Hearing apparatus operated in parallel with feedback reduction filters and methods |
| 01/18/2012 | EP2408107A2 Method and apparatus of adaptively cancelling a fundamental frequency of an analog signal |
| 01/18/2012 | EP2327156B1 Method for determining updated filter coefficients of an adaptive filter adapted by an lms algorithm with pre-whitening |
| 01/18/2012 | CN102324911A Self-adaption complex coefficient filtering method and system |
| 01/12/2012 | CA2746069A1 Method and apparatus of adaptively canceling a fundamental frequency of an analog signal |
| 12/28/2011 | CN102301601A 用于非线性误差的估算和补偿的方法和装置 Method and apparatus for estimating and compensating for nonlinearity error of |
| 12/27/2011 | US8085838 Receiver having an adaptive filter and method of optimising the filter |
| 12/20/2011 | US8081776 Indoor communication system for a vehicular cabin |
| 12/14/2011 | CN102281045A 一种构建子带自适应滤波器方法 Of constructing a sub-band adaptive filter method |
| 12/14/2011 | CN102281044A 能消除窄带干扰的盲自适应滤波装置及其应用 Narrowband interference can eliminate blind adaptive filtering device and its application |
| 11/30/2011 | CN1839544B 用于接收机均衡的装置和系统 For receiver equalization apparatus and system |
| 11/24/2011 | WO2011100491A3 Adaptive systems using correntropy |
| 11/23/2011 | CN102256200A WOLA (Weighted-Overlap Add) filter bank based signal processing method for all-digital hearing aid |
| 11/23/2011 | CN101411063B Filter adaptive frequency resolution |
| 10/26/2011 | CN102227096A Identification method for variable step-size least mean P-norm system in non-Gaussian environment |
| 10/20/2011 | WO2011129725A1 Method and arrangement for noise cancellation in a speech encoder |
| 10/18/2011 | US8041294 Adaptive radio transceiver |
| 10/12/2011 | CN102215032A Differential offset correcting circuit |
| 10/11/2011 | US8036398 Circuit and apparatus having a delay unit for reducing periodic noise |
| 10/06/2011 | WO2011123026A1 Adaptive linear filter for real time noise reduction in surface plasmon resonance sensorgrams |
| 10/05/2011 | EP2372912A1 Calibration method and system, recording medium for said method |
| 09/28/2011 | EP2367479A1 Method and apparatus for determining a respiration parameter in a medical device |
| 09/20/2011 | US8023902 Adaptive radio transceiver with an antenna matching circuit |
| 09/14/2011 | EP2365630A1 Efficient sub-band adaptive fir-filtering |
| 09/09/2011 | WO2011106936A1 Filter device |
| 09/07/2011 | CN102176668A Active noise control algorithm for transformer |
| 09/06/2011 | US8014724 System and method for signal limiting |
| 09/06/2011 | US8014719 Adaptive radio transceiver with a power amplifier |
| 09/01/2011 | DE102010009459A1 Hörvorrichtung mit parallel betriebenen Rückkopplungsreduktionsfiltern und Verfahren Hearing apparatus operated in parallel with feedback reduction filters and methods |
| 08/24/2011 | EP2359487A1 Folding sequential adaptive equalizer |
| 08/24/2011 | EP2359479A1 Methods and apparatuses for estimation and compensation of nonlinearity errors |
| 08/24/2011 | EP2358273A1 Method and apparatus for detecting respiratory effort in a medical device |
| 08/18/2011 | WO2011100491A2 Adaptive systems using correntropy |
| 08/10/2011 | CN101710825B Adaptive filter, implementation method thereof and repeater |
| 08/03/2011 | EP2352237A1 Adaptive filter and echo canceller having same |
| 08/03/2011 | CN102142830A Reference signal self-extraction active vibration control method for piezoelectric intelligent structure |
| 07/20/2011 | CN102132491A Method for determining updated filter coefficients of an adaptive filter adapted by an lms algorithm with pre-whitening |
| 07/20/2011 | CN101203061B Method for parallel processing real time gathering mixed audio blindness separating unit |
| 06/28/2011 | US7970811 Continuous-time multi-gigahertz filter using transmission line delay elements |
| 06/28/2011 | US7970358 Adaptive radio transceiver with a local oscillator |
| 06/22/2011 | EP2337287A2 Low-complexity Kalman filter channel estimation method for orthogonal frequency division multiplexing system |
| 06/22/2011 | CN1659782B Adaptive multistage wiener filter |
| 06/21/2011 | US7965854 Band-limited adaptive feedback canceller for hearing aids |
| 06/21/2011 | US7965853 Band-limited adaptive feedback canceller for hearing aids |
| 06/16/2011 | WO2011069230A1 Impedance network for producing a weighted sum of inputs |
| 06/15/2011 | CN1830026B Geometric source preparation signal processing technique |
| 06/15/2011 | CN102098258A Method for removing narrow-band interference and self-adapting filter |
| 06/15/2011 | CN101702091B Method for controlling random vibration of electro-hydraulic servo system based on self-adaptive wave filters |
| 06/08/2011 | CN101494448B Serial self-adapting noise elimination module based on FPGA design |
| 06/01/2011 | EP2327156A1 Method for determining updated filter coefficients of an adaptive filter adapted by an lms algorithm with pre-whitening |
| 06/01/2011 | DE112004002410B4 Feedback-Filter Feedback filter |
| 06/01/2011 | CN102082560A Ensemble kalman filter-based particle filtering method |
| 05/25/2011 | CN1595827B Digital adaptive filter and acoustic echo canceller using the same |
| 05/18/2011 | CN102064799A Method for designing DCMFK (Debiased Converted Measurement Kalman filter) based on FPGA (Field Programmable Gate Array) |
| 05/18/2011 | CN102064798A Negative-feedback self-adaption on-line and real-time filtering method and system |
| 05/10/2011 | US7940839 Fully adaptive equalization for high loss communications channels |
| 05/04/2011 | CN101572533B Design method of composite layered anti-interference filter |
| 04/26/2011 | US7933555 System and method for reducing phase noise |
| 04/26/2011 | US7931599 Method and apparatus for estimating a physiological parameter |
| 04/20/2011 | CN102025345A Particle filtering ultra-wideband pulse timing tracker with feedback control |
| 04/13/2011 | CN1578138B FIR filter, its coefficient storage method and network echo elimination unit |
| 03/29/2011 | US7917336 Geometric source separation signal processing technique |
| 03/24/2011 | US20110071375 Method and apparatus for estimating physiological parameters using model-based adaptive filtering |
| 03/16/2011 | CN1897113B Audio signal separation device and method thereof |
| 03/08/2011 | US7904037 Adaptive radio transceiver with offset PLL with subsampling mixers |
| 02/24/2011 | DE10201321B4 Computertomographie-Gerät und Verfahren mit aktiver Anpassung der Mess-Elektronik Computed tomography apparatus and method with active adjustment of the measurement electronics |
| 02/16/2011 | CN101977034A Backlash self-adaptive filter and method for modeling and compensating hysteresis thereof |
| 02/16/2011 | CN101972170A Self-adapting filter for least square support vector machine and filtering method thereof |
| 02/16/2011 | CN101268614B Adaptive digital filter, FM receiver, signal processing method, and program |
| 02/10/2011 | WO2011016769A1 Adaptive linear filter for real time noise reduction in surface plasmon resonance systems |
| 01/27/2011 | WO2010111619A3 Voltage mode transmitter equalizer |
| 01/11/2011 | CA2524162C Periodic signal enhancement system |
| 01/04/2011 | US7865224 Method and apparatus for estimating a physiological parameter |
| 12/28/2010 | US7860454 Adaptive radio transceiver with a power amplifier |
| 12/22/2010 | CN101923862A Method and system for processing subband signals using adaptive filters |
| 12/08/2010 | CN1607740B Modified affine projection algorithm for non-stationary signal |
| 12/08/2010 | CN101221046B Error processing method for output signal of optic fiber gyroscope component |
| 11/25/2010 | US20100295598 Adaptive radio transceiver with a local oscillator |
| 11/25/2010 | CA2666292A1 A new algorithm for the adaptiveinfinite impulse response filter |
| 11/17/2010 | CN101888223A System and method for active noise control with adaptive speaker selection |
| 11/16/2010 | US7835434 Adaptive radio frequency (RF) filter |
| 11/03/2010 | EP1281236B1 Adaptive filtering method based on sign algorithm and related device |
| 11/03/2010 | CN101150304B Quick self-adapted noise elimination module based on FPGA design |
| 10/27/2010 | CN101873121A Method for processing signals of non-linear dynamic system on basis of histogram estimation particle filtering algorithm |
| 10/20/2010 | CN101867355A System for active noise control with an infinite impulse response filter |
| 10/14/2010 | DE10317698B4 Verfahren zum Entwerfen von Polynomen zur Steuerung des Veränderns von anpassungsfähigen Digitalfiltern A method for designing of polynomials for controlling the altering of adaptive digital filters |
| 10/13/2010 | CN101860347A Stochastic resonance signal recovery method based on signal classification |
| 10/13/2010 | CN101860346A Overall noise figure calculation method implemented after cascade connection of multiple four-terminal networks |
| 10/12/2010 | CA2455820C Method and apparatus for generating a set of filter coefficients for a time updated adaptive filter |
| 10/07/2010 | US20100255792 Adaptive radio transceiver with an antenna matching circuit |
| 10/06/2010 | CN101854155A Self-adaptive variable-order filtration method and device |
| 09/08/2010 | EP2226936A2 Method and system for unconstrained frequency domain adaptive filtering |
| 09/08/2010 | CN101826856A Particle filtering method based on spherical simplex unscented Kalman filter |
| 09/08/2010 | CN101826853A Method and system for unconstrained frequency domain adaptive filtering |