220940 ⎘
Networks using digital techniques; Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms Frequency domain filters using Fourier transforms
Sub-classes:APPARATUS INCLUDING A DETECTOR
#2Fractional Resampler
#3FILTER PROCESSING DEVICE, FILTER PROCESSING METHOD, COMMUNICATION SYSTEM, AND RECORDING MEDIUM
#4REDUCING COMB FILTERING FOR HEARING DEVICES
#5DEVICE AND METHOD FOR PROCESSING A DIGITAL SIGNAL
#6FRACTIONAL FOURIER TRANSFORM-BASED SPECTRUM ANALYZER
#7FOURIER FILTERING OF SPECTRAL DATA FOR MEASURING LAYER THICKNESS DURING SUBSTRATE PROCESSING
#8System for detecting an input and controlling at least one downstream device
#9Infinite impulse response filters with dithering and methods of operation thereof
#10Wavelength dispersion compensation apparatus, optical receiving apparatus, wavelength dispersion compensation method and computer program
#11SYSTEM AND METHOD FOR OPTIMIZING SIGNAL PROCESSING AND STORAGE USING FREQUENCY-TIME DOMAIN CONVERSION
#12Method, apparatus, and computer-readable storage medium for acquiring fingerprint image
#13Device and method for filtering signal
#14Fractional Fourier Transform-based spectrum analyzer
#15FRI SPARSE SAMPLING KERNEL FUNCTION CONSTRUCTION METHOD AND CIRCUIT
#16Method for filtering with reduced latency and associated devices
#17Resource conserving weighted overlap-add channelizer
#18Memory device and method
#19Transmitter module, receiver module and data transmission system
#20Resource conserving weighted overlap-add channelizer
#21Using a multi-tone signal to tune a multi-stage low-noise amplifier
#22Method For Automatic Detection of Physical Modes In A Modal Analysis Model
#23Infinite impulse response filters with dithering and methods of operation thereof
#24Interference suppression using repeated reduced rank adaptive filtering in Fractional Fourier Transform (FrFT) domains
#25Fractional scaling digital signal processing
#26Radio communication receiver and method for configuring a notch filter of the radio communication receiver
#27Digital filter device, digital filtering method, and program recording medium
#28Audio processor and audio processing method
#29Interference suppression using repeated reduced rank adaptive filtering in fractional fourier transform (FrFT) domains
#30Estimation of harmonic frequencies for hearing implant sound coding using active contour models
#31SWITCHING POWER SUPPLY APPARATUS, DRIVING METHOD FOR SWITCHING POWER SUPPLY, AND DRIVING PROGRAM FOR SWITCHING POWER SUPPLY
#32Signal processing apparatus
#33Data processor, data processing method and communication device
#34Apparatus for modifying a sampling rate system including an apparatus for modifying a sampling rate and method for modifying a sampling rate
#35SYSTEM, METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR CALCULATING A SAMPLED SIGNAL
#36Monitoring an asset using görtzel filters
#37Phase control signal generation device, phase control signal generation method, and phase control signal generation program
#38DEVICE AND METHOD FOR HANDLING SYMBOL RATE ESTIMATION AND INTERFERENCE
#39Method for the non-linear estimation of a mixture of signals
#40Digital filter circuit, signal processing device, and digital filter processing method
#41Signal processing method and apparatus
#42Method for filtering a numerical input signal and associated filter
#43Modified digital filtering with sample zoning
#44Fractional scaling digital signal processing
#45Digital filter device, digital filter processing method, and storage medium having digital filter program stored thereon
#46Method for equalising distorted signals and an associated equalisation filter
#47Reduced-delay subband signal processing system and method
#48Digital processing apparatus and digital processing method
#49Digital filter device, digital filtering method, and storage medium having digital filter program stored thereon
#50Propagation delay correction apparatus and propagation delay correction method
#51Fast Fourier transform device, fast Fourier transform method, and recording medium storing fast Fourier transform program
#52Butterfly channelizer
#53Digital signal processing device, receiving device, and signal transmitting and receiving system
#54X-ray image processing apparatus, X-ray diagnostic apparatus, and X-ray image processing method
#55Digital filter circuit, digital filter processing method and digital filter processing program storage medium
#56Digital filter circuit and digital filter processing method
#57Computing filtered signal as mid-value between first and second variables
#58Computationally efficient finite impulse response comb filtering
#59Low-delay filtering
#60FIR filter using unclocked delay elements
#61Digital filter circuit and digital filter control method
#62Time domain signal generation
#63Digital Equalization Process and Mechanism
#64Circuit and method for computing circular convolution in streaming mode
#65Optimal narrowband interference removal for signals separated in time
#66DIGITAL SIGNAL PROCESSING APPARATUS AND DIGITAL SIGNAL PROCESSING METHOD
#67Method and system for finite impulse response (FIR) digital filtering
#68Low complexity spectral band replication (SBR) filterbanks
#69Filtering apparatus, filtering method, program, and surround processor
#70Digital filtering system, method, and recording medium thereof
#71Method for efficient and zero latency filtering in a long impulse response system
#72Signal processing system employing time and frequency domain partitioning
#73Efficient implementation of filters for MIMO fading
#74Apparatus and method for base band filtering
#75Systems and methods for weighted overlap and add processing
#76Group delay compensation using IFFT filters
#77Synchronization And Channel Estimation With Sub-Nyquist Sampling In Ultra-Wideband Communication Systems
#78Audio quality adjustment device
#79Generalized polyphase channelization system
#80Programmable engine core for executing digital signal processing functions
#81Weight function generating method, reference signal generating method, transmission signal generating apparatus, signal processing apparatus and antenna
#82Method of measuring and calibrating frequency down converter
#83Digital equalization process and mechanism
#84Techniques and methods of spot noise generation utilizing a polyphase synthesizer