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8301676 Field device with capability of calculating digital filter coefficients  
A digital filter design algorithm is implemented directly within a process control field device or other process related equipment. Filter design parameters are exposed so that filter design...
8295781 Transceiver having multistage channel filter in wireless communication system  
A transceiver having a multistage channel filter for a wireless communication system is disclosed. The transceiver is composed of a transmitter unit including a multistage channel filter module to...
8295392 Digital communication system, indoor unit, and outdoor unit  
A digital communication system, an indoor unit, and an outdoor unit in which characteristic variation due to temperature is small are provided. The digital communication system comprises an IDU 1...
8285770 Method of and circuit for generating parameters for a predistortion circuit in an integrated circuit using a matrix  
A method of generating parameters for a predistortion circuit in an integrated circuit using a matrix is disclosed. The method comprises storing a first column of a first matrix; generating the...
8285771 Partially complex modulated filter bank  
An apparatus for processing a plurality of real-valued subband signals using a first real-valued subband signal and a second real-valued subband signal to provide at least a complex-valued subband...
8285773 Signal separating device, signal separating method, information recording medium, and program  
A signal separating device includes an iterative estimator, a repeating calculator, a result output unit, and a repetition controller. The repeating calculator repeatedly causes the iterative...
8285068 Combined deblocking and denoising filter  
An apparatus, a computer readable medium to instruct a process to implement a method, and a method of reducing blocking artifacts and/or noise in an image that has been compressed by a block-based...
8285769 Signal processing apparatus and the correcting method  
A signal processing apparatus includes a first filter on an in-phase signal channel; a second filter on a quadrature signal channel; a plurality of filter stages having each of more than one...
8278940 Signal acquisition system having a compensation digital filter  
A signal acquisition system has a signal acquisition probe having probe tip circuitry coupled to a resistive center conductor signal cable. The resistive center conductor signal cable is coupled...
8280075 Apparatus, method and program for processing signal and method for generating signal  
A signal processing apparatus includes a signal output unit for outputting a measurement signal, the measurement signal being produced by synthesizing a signal composed of a concatenation of 2d...
8270546 Reception station, communication system and transmission diversity control method  
In a transmission diversity control method in which a request to start or stop transmission diversity is issued by a reception station to a transmission station having a transmission diversity...
8271239 Generation and manipulation of realistic signals for circuit and system verification  
Methods for generating realistic waveforms with controllable voltage noise and timing jitter in a computer-based simulation environment and the simulation of a subset of those waveforms with...
8266195 Filter adaptive frequency resolution  
In signal processing using digital filtering the representation of a filter is adapted depending on the filter characteristics If e.g. a digital filter is represented by filter coefficients for...
8260076 Constant time filtering  
A system for filtering an image using a bilateral filter includes a receiver and a bilateral filter. The receiver is for receiving an image having a plurality of pixels. The bilateral filter is...
8260836 Method and device for generating a filter coefficient in real time  
The present invention provides a method and device for generating a filter coefficient in real time. The method includes: looking up a converted window function value in a converted window...
8260442 Control system for a transducer array  
A control system is provided for controlling a transducer array. The control system includes a plurality of sparse filters and integrators. The control system can be used to separate signals from...
8249203 Truncation of noisy taps in channel estimation  
Methods and systems are described for processing a signal in wireless communications. The signal may have synchronization information. A method of processing a signal having synchronization...
8250080 Filtering in search engines  
In an embodiment, the size of a filter in a search engine is dynamically adjusted in order to reduce filter error. The filter, for example, may be a domain filter that contains domain(s) of...
8234325 Method of generating random access preambles in wireless communication system  
A method of generating random access preambles includes receiving information on a source logical index and generating random access preambles in the order of increasing cyclic shift from root ZC...
8233564 Method and apparatus for increasing the channel capacity of a bandwidth limited communications path  
A unique digital compression technology for increasing the information carrying capacity of a bandwidth limited communications path highway by using a combined coding and modulation technique. The...
8234324 Differential inverse aliasing digital to analog converter  
This invention relates to a process for producing a pulsed sampled waveform comprising generating a baseband signal representing the integral of a desired output waveform; sampling and...
8229986 Signal approximation system for minimizing the measure of worst-case error  
The purpose of this invention is that the optimum approximation formula can be derived even if an analysis filter has non-linear characteristic in a discrete signal approximation system. The norm...
8223830 Method and apparatus for determining equalization coefficients  
A system for filtering a data signal includes an input configured to receive the data signal through a transmission medium and a filter configured to remove distortion from the received data...
8213138 Circuit breaker with arc fault detection and method of operation  
A circuit breaker having a series arc fault detector and method of operation is provided. The series arc fault detector measures the RMS current and monitors current stability in response to a...
8209368 Generating and using a dynamic bloom filter  
A dynamic Bloom filter comprises a cascaded set of Bloom filters. The system estimates or guesses a cardinality of input items, selects a number of hash functions based on the desired false...
8207938 Signal filtering method and electronic device  
A signal filtering method for filtering signals obtained at a number of time points by an electronic device is provided. Each of the signals corresponds to an i-th value at an i-th time point of...
8204164 Communications system using adaptive filter and selected adaptive filter taps  
A communications system receives a modulated signal that carries encoded communications data. An adaptive filter has a plurality of non-adaptive and adaptive filter taps with weighted coefficients...
8195729 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Signal processing apparatus and the correcting method
 
A signal processing apparatus includes a first filter on an in-phase signal channel; a second filter on a quadrature signal channel; a plurality of filter stages having each of more than one...
8180818 Partially complex modulated filter bank  
An apparatus for processing a plurality of real-valued subband signals using a first real-valued subband signal and a second real-valued subband signal to provide at least a complex-valued subband...
8180609 Jittery signal generation with discrete-time filtering  
The computer-implementable method allows for the fast creation of a multi-unit interval data signal suitable for simulation. The created signal represents the output of an otherwise ideal Discrete...
8180819 Partially complex modulated filter bank  
An apparatus for processing a plurality of real-valued subband signals using a first real-valued subband signal and a second real-valued subband signal to provide at least a complex-valued subband...
8176107 Multi-standard multi-rate filter  
A method is provided for decimating a digital signal by a factor of M and matching it to a desired channel bandwidth. The method applies the digital signal input samples to a (M-1) stage tapped...
8175143 Adaptive equalization using data level detection  
A method, and circuitry, for choosing the correct equalization curve in adaptive equalization uses a feedback loop in which the incoming high-speed serial data are digitized and deserialized for...
8170125 Subdimensional single-carrier modulation  
A method for modulating a sequence of data symbols such that the transmit signal exhibits spectral redundancy. Null symbols are inserted in the sequence of data symbols such that a specified...
8170879 Periodic signal enhancement system  
A signal enhancement system improves the understandability of speech or other audio signals. The system reinforces selected parts of the signal, may attenuate selected parts of the signal, and may...
8170093 Equalizing filter circuit  
An equalizing filter circuit includes a first transmission line in which a plurality of first delay devices 104a are connected in cascade to input terminal 101, a second transmission line in which...
8165255 Multirate resampling and filtering system and method  
A discrete time signal resampling circuit (200). A data sample processing module (260) removes selected samples from a sequential plurality of discrete time signal samples to implement fractional...
8164662 Image-processing device for color image data and method for the image processing of color image data  
A digital image-processing device with a Bayer sensor and an image memory is provided in which the image data of the sensor is written into an image memory, and from this image memory, image data...
8166087 Microprocessor performing IIR filter operation with registers  
A filter operation circuit of a microprocessor executes an IIR filter operation by using data provided from registers R0 to R2 and outputs one sample of data Y[n] subjected to filter operation and...
8156794 Indenting type material testing machine, testing method, and testing program product  
An indenter is pressed onto a test piece; a displacement of the indenter is detected; and a testing force applied to the test piece through the indenter is detected. FFT analysis is performed on a...
8155469 Filter circuit, image processing circuit, and filtering method  
A filter circuit includes: an adder/subtractor that performs at least addition; and a shifter that performs multiplication/division by a power of two through a shift operation. The...
8155927 Method and apparatus for improving noise discrimination in multiple sensor pairs  
Noise discrimination in signals from a plurality of sensors is conducted by enhancing the phase difference in the signals such that off-axis pick-up is suppressed while on-axis pick-up is...
8149961 Ranging in multi-band communication systems  
System and methods include transmitting the same signal in all sub-bands in different time intervals and processing the corresponding received signals to achieve a time resolution proportional to...
8150682 Adaptive filter pitch extraction  
An enhancement system extracts pitch from a processed speech signal. The system estimates the pitch of voiced speech by deriving filter coefficients of an adaptive filter and using the obtained...
8145693 Fir filter apparatus, audio apparatus and fir filter program  
A coefficient compensating unit 33 calculates based on a loop point and a cross-fade point of impulse response coefficient data renewed compensation impulse response coefficients specified for a...
8130876 Method for receiving a multi-carrier signal, transmission method, corresponding receiver and transmitter  
The invention concerns a method for receiving a multi-carrier signal of reduced complexity when the number of carriers is not high. The method includes: demodulating the multi-carrier signal;...
8122076 Digital-signal-processing apparatus and method  
Digital-signal-processing apparatus has a ringing-suppression-coefficient-generating device that generates a ringing suppression coefficient according to an amount of ringing occurred at an input...
8121236 Communications system using adaptive filter circuit using parallel adaptive filters  
A communications system receives a modulated communication signal that carries encoded communications data. A signal input receives the communication signal. An adaptive filter circuit is...
8117248 Digital filter instruction and filter implementing the filter instruction  
A digital filter instruction and filter implementing the filter instruction are disclosed. The filter instruction synthesizes a digital filter and includes an instruction field, a tap length...
8107572 Communications system using adaptive filter for interference reduction  
A communications system receives a modulated signal that carries encoded communications data. An adaptive filter circuit has a plurality of adaptive filters each having a plurality of non-adaptive...