Patents for H03H 17 - Networks using digital techniques (9,654)
03/2005
03/22/2005US6870492 Method of near-unity fractional sampling rate alteration for high fidelity digital audio
03/17/2005WO2005024822A1 Reproduced signal processor and reproduced signal processing method
03/17/2005WO2005024789A1 Acoustic processing system, acoustic processing device, acoustic processing method, acoustic processing program, and storage medium
03/16/2005EP1515304A2 Active noise cancellation system having an adaptive filter and a correction filter
03/16/2005EP1514347A2 Digital filtering method
03/16/2005CN1596562A Device and method for operating a discharge lamp
03/16/2005CN1193608C Pulse code modulation dc centering vestigial sideband converter
03/16/2005CN1193501C Method for equalizing channel
03/15/2005US6868431 Circuit and method for processing data
03/15/2005US6868127 Signal receiving circuit and signal receiving method
03/10/2005WO2005022751A1 Adaptive lock position circuit
03/10/2005WO2005022750A1 Precision adaptive equalizer
03/10/2005WO2005022745A1 Operating frequency reduction for transversal fir filter
03/10/2005US20050055393 FIR filter tap architecture for highly dense layout
03/10/2005US20050055125 Method of monitoring the operation of a machine tool
03/10/2005US20050053244 Active noise cancellation system
03/10/2005US20050053177 Multipath distortion eliminating filter
03/09/2005EP1513254A1 Filter enabling decimation of digital signals by a rational factor
03/09/2005CN1592450A Front end module for mobile communication system
03/09/2005CN1592103A N step half-band interpolating filter
03/09/2005CN1192483C Circuit arrangement and method for offset compensation of signal
03/09/2005CN1192356C Decoding method and system comprising adaptive postfilter
03/09/2005CN1192239C Analysing signals
03/08/2005US6864819 State delayed technique and system to remove tones of dynamic element matching
03/08/2005US6864812 Hardware efficient implementation of finite impulse response filters with limited range input signals
03/03/2005WO2004064261A3 Methods and systems for filtering unwanted noise in a material metering machine
03/03/2005US20050050133 Switching activity reduced coding for low-power digital signal processing circuitry
03/03/2005US20050050126 Digital signal-processing structure and methodology featuring engine-instantiated, wave-digital-filter componentry, and fabrication thereof
03/03/2005US20050047500 Precision adaptive equalizer
03/03/2005US20050046456 Adaptive lock position circuit
03/02/2005EP1511263A2 Method and apparatus for multi-level quadrature amplitude modulation
03/02/2005EP1226660B1 Echo compensation device
03/02/2005CN1589524A Time discrete filter comprising upsampling, sampling rate conversion and downsampling stages
03/02/2005CN1191537C Equipment and method for realizing filter impulsing frequency ersponsive preset point by anchoring physics method
03/01/2005US6862326 Whitening matched filter for use in a communications receiver
02/2005
02/24/2005US20050044121 Multipath distortion eliminating filter
02/24/2005DE10335105A1 Sigma delta modulator e.g. for mobile communication, uses CCD as filter element
02/23/2005EP1508970A2 Multipath distortion eliminating filter
02/23/2005EP1508968A2 Multipath distortion eliminating filter
02/22/2005US6859814 Transpose FIR filter architecture
02/22/2005US6859813 Parallel decimation circuits
02/17/2005WO2005015752A2 Noise shaped interpolator and decimator apparatus and method
02/17/2005US20050038844 Programmable logic device including multipliers and configurations thereof to reduce resource utilization
02/17/2005US20050038842 Processor for FIR filtering
02/17/2005US20050036627 Mechanism for using the allpass decomposition architecture for the cauer low pass filter used in a BTSC
02/16/2005CN1581717A Apparatus for transmitting telephone signal in coaxial cable
02/15/2005US6857002 Integrated circuit with a mode control selecting settled and unsettled output from a filter
02/15/2005US6856653 Digital signal sub-band separating/combining apparatus achieving band-separation and band-combining filtering processing with reduced amount of group delay
02/15/2005US6856577 Method and apparatus for forming a reception beam
02/15/2005US6856191 Nonlinear filter
02/10/2005US20050031046 Multirate digital transceiver
02/09/2005EP1504649A1 Method of controlling the functions of a working machine
02/09/2005CN1578165A High order successive sampling wave form shaping filter
02/09/2005CN1578138A Reduced complexity adaptive filter
02/09/2005CN1578137A Rational sample rate conversion
02/09/2005CN1188780C Sampling frequency converter and storage address controller
02/03/2005US20050027768 Reduced complexity adaptive filter
02/03/2005US20050024151 Digitally controlled tuner circuit
02/03/2005US20050023046 Multi-filter
02/03/2005US20050022325 Cleaning processing system and cleaning processing apparatus
02/02/2005EP1503293A2 Method and system for performing a Fast Fractional Fourier Transform.
02/02/2005CN1574724A 采样频率变换装置及采样频率变换方法 Apparatus and method for converting the sampling frequency of sampling frequency conversion
02/02/2005CN1574044A Bit recovery scheme for an asymmetric data channel
02/01/2005US6850579 Multiplierless finite impulse response filter
02/01/2005CA2265999C Signal transformation method and apparatus
01/2005
01/27/2005WO2005008374A2 Single instruction multiple data implementations of finite impulse response filters
01/27/2005WO2004093316A3 Adaptive filtering
01/27/2005WO2004086611A3 Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility
01/27/2005WO2003107035A3 Method for the suppression of disturbances in systems for detecting objects
01/27/2005US20050018796 Method of combining an analysis filter bank following a synthesis filter bank and structure therefor
01/26/2005EP1374400B1 Two-dimensional pyramid filter architecture
01/26/2005CN2674763Y Full phase DFT digital filter
01/26/2005CN1571321A A pilot capture method and device based on splitting pattern matching filter
01/25/2005US6847882 Misfire detection system and method of median filtering
01/25/2005US6847313 Rational sample rate conversion
01/25/2005US6847243 Clock controlling method and circuit
01/25/2005CA2320703C Upsampling filter having one-bit multipliers for multiple spread-data streams
01/20/2005WO2005006549A2 Rational sample rate conversion
01/20/2005WO2004088842A3 A fir filter device for flexible up- and downsampling
01/20/2005US20050013449 Integrating apparatus
01/20/2005DE10327057A1 Vorrichtung zum zeitlichen Stauchen oder Strecken, Verfahren und Folge von Abtastwerten Apparatus for temporal compression or stretching, procedures and sequence of samples
01/20/2005DE10325835A1 Modeling optimized model-filter in crest-factor reduction circuit of multi-carrier data transmission system, using approximation to determine filter coefficients using window in which impulse response has highest energy
01/20/2005DE10112275B4 Interpolator Interpolator
01/19/2005EP1380107B1 Two-dimensional pyramid filter architecture
01/19/2005CN1568608A Multirate digital transceiver
01/19/2005CN1567911A Filtering apparatus and method for saving memory space in eight-phased phase-shift keying device
01/19/2005CN1567807A A frequency domain filter and method for implementing frequency domain filter
01/19/2005CN1567800A Simplified matching filter bank capable of being split and recombined
01/19/2005CN1567780A Filter device for forward link of CDMA system and filtering method thereof
01/19/2005CN1567732A A novel method for receiving ultra wideband signal
01/18/2005US6845135 Cascaded biquad infinite impulse response filter
01/18/2005US6845134 Arrangement for receiving a digital signal from a transmission medium
01/18/2005US6845124 Integrated circuit for code acquisition
01/18/2005US6844791 Digital pulse shaper with variable weighting function
01/18/2005US6842932 Cleaning processing system and cleaning processing apparatus
01/13/2005WO2005004373A2 Continuous-time digital signal generation, transmission, storage and processing
01/13/2005WO2005004345A1 A frequency-domain filter and method for realizing frequency-domain filtering
01/13/2005WO2003107528A3 Circuit arrangement for generating an iq signal
01/13/2005US20050008071 Infinite impulse response multiplierless digital filter architecture
01/13/2005US20050007863 Sampling frequency conversion device and sampling frequency conversion method
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