Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 17 - Networks using digital techniques
Patents for H03H 17 - Networks using digital techniques (9,654)
05/2012
05/30/2012CN1934646B Method and system for synchronizing audio processing modules
05/30/2012CN101741348B Multiphase filter, digital signal processing system and filtering method
05/30/2012CN101594123B Method for establishing equivalent parallel filter, voice transmission method, device and system
05/30/2012CN101542909B Digital/analog conversion apparatus
05/30/2012CN101394162B Frequency judging circuit and sampling frequency conversion device
05/30/2012CN101351967B Architecture combining a continuous-time stage with a switched-capacitor stage for digital-to-analog converters and low-pass filters
05/23/2012CN202231717U High-frequency noise sampling and playback system for low voltage power line
05/23/2012CN102472706A Adaptive linear filter for real time noise reduction in surface plasmon resonance systems
05/23/2012CN102468821A Awakening circuit, on-board unit, filter, and frequency detection and filtration method
05/23/2012CN101807903B Self-adapting filter, filtration method and repeater
05/23/2012CN101674067B Frequency-lowering device and sound signal processing system using same
05/23/2012CN101567676B Wave filtering method
05/23/2012CN101505145B Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
05/23/2012CN101479790B Noise synthesis
05/23/2012CN101401305B Filter with a complex modulated filterbank,
05/23/2012CN101090262B Complex filter, tuning system, receiver and tuning mehtod
05/22/2012US8184922 Digital filter configuration
05/18/2012WO2012039575A3 Bandpass sampling receiver, and method for designing and reconstructing a filter thereof
05/16/2012CN202221983U Tracking filter circuit based on pulse width modulation
05/16/2012CN102461204A Dynamically configurable anr filter and signal processing topology
05/16/2012CN102457251A 一种实现通用数字滤波器的方法及装置 Method and apparatus for implementing common digital filter
05/16/2012CN102457250A 一种采集数据滤波处理方法及装置 A data collection method and apparatus for filtering
05/16/2012CN102455707A 一种基于无限冲击响应数字滤波技术的舰船姿态传感器 Ship attitude sensors based on infinite impulse response digital filtering technique
05/16/2012CN101505144B Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
05/15/2012CA2436219C Apparatus and method for adjusting filter frequency in relation to sampling frequency
05/09/2012CN101577536B Method for realizing improved LMS algorithm
05/09/2012CN101316101B Single frequency and bandpass filtering method
05/08/2012US8176296 Programmable microcontroller architecture
05/03/2012WO2012055974A1 Shift- invariant digital sampling rate conversion system
05/02/2012EP2448118A1 Method of making a linear periodically time varying system shift-invariant
05/02/2012EP2448117A1 Reconfigurable digital signal filter processor
05/02/2012CN102439879A 滤光设备 Optical equipment
05/02/2012CN101542901B Weight measuring device
05/01/2012CA2756977A1 Reconfigurable digital signal filter processor
05/01/2012CA2354627C Low-power programmable digital filter
04/2012
04/26/2012WO2012052807A1 Filtering discrete time signals using a notch filter
04/25/2012CN101272209B 一种对多通道复用数据进行滤波的方法及设备 A kind of multi-channel multiplexed data filtering method and apparatus
04/25/2012CN101088218B 用于带宽约束信号调节的方法和装置 Method and apparatus for adjusting a signal bandwidth constraints
04/19/2012WO2012050267A1 Digital re-sampling apparatus using fractional delay generator
04/19/2012DE10235062B4 Filterverfahren und A/D-Wandlergerät mit einer Filterfunktion Filtering process and A / D converter device having a filter function
04/18/2012EP2442506A1 Method and device for down sampling
04/18/2012EP2442479A1 Nicam audio signal resampler
04/18/2012CN102420639A 一种低压电力线高频噪声采样与回放系统 A low-pressure power line frequency noise sampling and playback system
04/12/2012WO2012046033A1 Equalization of an audio signal
04/12/2012US20120086471 Psoc architecture
04/12/2012DE102011054078A1 Geiger receiver for frequency-selective mismatch correction, has calculation unit that filters input samples from analog-digital converters and derives digital filter coefficients
04/12/2012DE102010048091A1 Verfahren und Vorrichtung zur Ermittlung einer Frequenz eines Signals Method and apparatus for determining a frequency of a signal
04/11/2012CN102412808A 一种基于fpga的高性能多路fir数字抽取滤波器及其读写方法 A high performance fpga-based multi-channel digital decimation filter fir and write methods
04/10/2012US8155176 Digital equalization process and mechanism
04/10/2012CA2346280C Odd-transform fast convolution
04/04/2012EP2436114A1 Filter device and method for providing a filter device
04/04/2012CN102404052A Three-selection frequency band diversity system adopting complex filter of WCDMA (Wideband Code Division Multiple Access) optical fiber RPT (repeater)
04/04/2012CN102403986A 多通道的cic抽取滤波器及其实现方法 Cic multi-channel decimation filter and its implementation
04/04/2012CN102403985A 采样频率转换器 Sampling frequency converter
03/2012
03/29/2012WO2012040029A1 Multipath interference cancellation through cepstrum analysis
03/29/2012WO2012039575A2 Bandpass sampling receiver, and method for designing and reconstructing a filter thereof
03/29/2012WO2012039061A1 Data processing method and device
03/28/2012CN102394593A Integrated least-mean-square (LMS) adaptive filter and method
03/28/2012CN102394592A Adaptive filter based on Backlash operator
03/28/2012CN102394591A Field programmable gate array-based (FPGA-based) vehicle vibration signal wave filtering device
03/28/2012CN101741350B Method and device for compensating Infinite Impulse Response (IIR) filter in non-linear manner
03/27/2012US8145475 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
03/21/2012CN1551191B Method and device used for recoding and reproducing digital information signal
03/21/2012CN102388534A Filter device and method for providing filtering device
03/21/2012CN102388418A Low complexity spectral band replication (SBR) filterbanks
03/21/2012CN102386889A Baseline drift removal method and device and median filter
03/21/2012CN102386888A Point frequency filtering method, device and system
03/21/2012CN102386887A Tracking filter circuit based on pulse width modulation and design method thereof
03/21/2012CN101599767B Four order single loop local negative feedback Sigma-Delta modulator
03/21/2012CN101505287B Order adaptive finite impulse response filter and operating method thereof
03/14/2012CN1989693B 音频信号输出装置 The audio signal output device
03/13/2012CA2649007C Digital signal demultiplexing apparatus and multiplexing apparatus
03/08/2012WO2012029613A1 Digital filter device, digital filtering method, and control program for digital filter device
03/08/2012WO2012028897A1 Multi-branch rate change filter
03/08/2012DE10325835B4 Verfahren zur Modellierung eines Modellfilters und Schaltung Method for modeling a model filter and circuit
03/08/2012DE102010040807B3 Filter circuit for compensation of predetermined frequency response of cascaded integrator-differentiator filter, comprises cascaded integrator-differentiator filter downstream digital comb filter having comb filter section
03/07/2012EP2425635A1 Dynamically configurable anr filter and signal processing topology
03/07/2012EP1974494B1 Nicam audio signal resampler
03/01/2012WO2012026417A1 Demultiplexing device, multiplexing device, and relay device
03/01/2012CA2809227A1 Demultiplexing apparatus, multiplexing apparatus, and relay apparatus
02/2012
02/29/2012CN102365825A Filter circuit, transmission filter circuit, semiconductor integrated circuit, communication device, and method for adjusting timing of filter circuit
02/28/2012US8126949 Reconfigurable filter node for an adaptive computing machine
02/22/2012EP2419901A1 Low complexity spectral band replication (sbr) filterbanks
02/15/2012EP2418773A1 Glitch-free switchable FIR-filter
02/15/2012EP2417701A1 Obtaining a desired non-zero phase shift using forward-backward filtering
02/15/2012CN102355232A FPGA (field-programmable gate array)-based high-speed FIR (finite impulse response) digital filter
02/15/2012CN102355231A Probability-calculation-based low-power consumption digital filter and realization method
02/15/2012CN102355230A Digital filtering apparatus and method thereof
02/09/2012WO2012018093A1 Signal processing device, television, signal processing method, program, and recording medium
02/08/2012CN102349235A Obtaining a desired non-zero phase shift using forward-backward filtering
02/08/2012CN102347768A Conversion equipment of digital sampling rate and method thereof
02/08/2012CN102347748A Reset signal processing method for system on-chip
02/08/2012CN102346443A 1PPS (pulse per second) latch and control method
02/08/2012CN101197800B 信息处理设备以及信息处理方法 The information processing apparatus and an information processing method
02/08/2012CN101080870B 用分数减小信号的采样频率的采样率转换器 With fractional sampling frequency of the signal to reduce the sampling rate converter
02/02/2012WO2012012963A1 Device and method for converting digital sampling rate
02/01/2012CN102340296A GPU (Graphics Processing Unit)-based method for realizing frequency-domain parallel processing for high-end digital FIR (Finite Impulse Response) filter
02/01/2012CN101819777B 基于复指数调制的滤波器组的高级处理和自适应时间信号传送方法 Advanced processing complex-exponential modulated filterbank and adaptive time-based signal transmission method
01/2012
01/31/2012US8108209 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
01/31/2012US8107632 Digital signal processing apparatus, method thereof and headphone apparatus
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