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Matches 501 - 550 out of 5,200

Document Document Title
JP2017152811A
To provide an optical transmission system including a MIMO equalizer applicable to a spatial multiplexing technique using a coupled fiber capable of reducing a signal processing load at a receiving end.The optical transmission system inc...  
JP6182869B2  
JP2017118493A
To provide a method for quantization noise cancellation in a continuous-time multi-stage noise shaping analog-to-digital converter (CT MASH ADC).Digital quantization noise cancellation filters adaptively track transfer function variation...  
JP2017112512A
To provide an adaptive equalizer capable of suppressing increase in output load capacitance of a reception amplifier.The adaptive equalizer comprises: a speculation type equalization circuit DEF which calculates multiple first tap coeffi...  
JP6151889B2  
JP2017516340A
According to one embodiment, a method for training an adaptation filter contains a step which receives an input signal and a training standard signal, and a step which determines a correlation matrix according to an input signal, a train...  
JP2017092591A
To reduce DSP computational complexity in an RDE-based adaptive equalizer.A digital value obtained by sampling an input signal that is modulated by QAM (Quadrature Amplitude Modulation) is inputted to an adaptive equalizer 40. The adapti...  
JP6112821B2  
JP6110557B2
A system and method for reducing noise caused by two or more rotating devices by taking in input signals with frequencies that are related to the rotation rates of the rotating devices, and causing one or more loudspeakers to produce sou...  
JPWO2015125282A1
It is the art which makes it correspond to communication pathway and optimizes resolution and a range of a digital-to-analog converter. A threshold from which a judgment return type equalizer of an electric signal transmission device was...  
JP2017017568A
To provide an equalizer in which the convergence accuracy of tap coefficients is enhanced, and the convergence time can be shortened.An equalizer EQ includes a data sampler 121 for sampling the input data IW, and outputting a time series...  
JP6063428B2  
JP2016541024A
It is a device and a method which are constituted so that an activity noise reduction system for automatic vehicles may be operated, In that case, there is an activity noise reduction system input signal relevant to a vehicles engine spe...  
JP2016213635A
To provide a digital filter capable of expanding noise margin related to determination of symbol value.A digital filter 1 includes a first filter 11 outputting an output signal y0, obtained by performing signal processing of an input sig...  
JP6037318B2
Maximum likelihood bit-stream generation and detection techniques are provided using the M-algorithm and Infinite Impulse Response (IIR) filtering. The M-Algorithm is applied to a target input signal X to perform Maximum Likelihood Seque...  
JP6032247B2  
JP2016163117A
To provide a signal distortion compensation circuit capable of easy determination of stability regardless of a transmission line condition, to thereby enable stable signal processing.A DFE processing unit 9 includes a first filter 12 and...  
JP5982880B2  
JP5958218B2  
JP2016521375A
A system constituted so that an activity noise reduction system for automatic vehicles may be operated, It is a device and a method and there is an input sine wave of an adaptation feedforward noise reduction system in frequency which sh...  
JP2016521035A
A system and a method for reducing the noise which arose with two or more slewing mechanisms by taking in the input signal which has the frequency relevant to the revolving speed of slewing mechanism, being the frequency almost same to o...  
JP2016088468A
To provide a tire pressure reduction detection device capable of improving estimation accuracy of a tire resonance frequency by eliminating an influence of periodic noise.A tire pressure reduction detection device comprises: a rotation s...  
JP2016092731A
To provide a signal processor, and a signal processing method, with improved filtering performance.A signal processor includes: a filter; a detection part for detecting power of a signal outputted from the filter; a determination part fo...  
JP2016072909A
To provide a system identification device which reduces computational complexity.A system identification device 1 includes: first subsystem identification means 10 for estimating a parameter for initial processing from input/output data ...  
JP5902961B2  
JP5862295B2  
JP5860383B2  
JP5855716B2  
JP2016025662A
To optimize equalization processing of high speed data link.A probe 440 receives an input waveform. A processor 660 executes adjustment processing of a determination feedback equalizer (DFE) for the input waveform regarding a multi-feedb...  
JP2016015586A
To provide an LRLS filter capable of obtaining an accurate solution concerning determination of time-varying α(k) and reducing an amount of calculation, and provide an LRLS (leaky recursive least-squares) filter having an algorithm capa...  
JP2015220492A
To allow for a configuration in which integration of circuit is taken into account, without deteriorating the waveform equalization operation of a decision feedback equalizer.Delay elements 11, 12, 22 are arranged asymmetrically in a sig...  
JP2015216613A
To provide a distortion compensation system capable of compensating signal distortion due to a transmission line used for communication processing between first and second communication nodes without preparing a distortion compensating c...  
JP5818608B2  
JP5752928B2  
JP2015115771A
To provide a receiver which receives a signal transmitted from a transmitter through a symbol sequence and performs signal compensation, and a communication system including the receiver or the like.A receiver includes: a filter part 202...  
JP2015513817A
It is the communication equipment used in order that a call center may enable communication between the call center and one or more user's units, and the communication equipment concerned has an audio processing circuit which processes a...  
JP5715595B2  
JP2015082762A
To solve such a problem that prediction accuracy of an adaptive filter based on sign algorithm may be reduced.An information processing device includes: a prediction value calculation part which calculates a prediction value of a second ...  
JP2015082739A
To reduce calculation costs and prediction errors by accurately and quickly extracting a signal from data including noise.An adaptive signal processing device includes: a time series data input unit; an arithmetic processing unit which g...  
JP2015075496A
To shorten a time until filter coefficients are converged, and to increase followability with respect to a change in a noise.A signal processor 10 is used with a conversion device 20 in which a first sound input device 21, a sound output...  
JP2015070471A
To provide an adaptive signal processing technology capable of tracking environmental variance.A Kalman gain update part 42 updates Kalman gain based on autocorrelation of input data. A filter coefficient update part 46 updates a filter ...  
JP5694063B2  
JP5694444B2  
JP5686752B2  
JP5685908B2
A loop filter include: a register that stores a result of arithmetic operation performed on a complex signal and outputs the stored complex signal; a first multiplier that multiplies the complex signal output from the register and a pred...  
JP5683307B2  
JP2015504261A
Digital front end (SoftDFE) signal-processing technique by software is provided. One or more digital front end (DFE) functions, In order to perform one or more digital front end (DFE) functions to a signal, By executing one or more speci...  
JP2015019174A
To provide a signal processing device that has an improved characteristic of suppressing an interference signal.A signal processing device 1 includes: an adaptive filter 19 for outputting an interference replica signal input thereinto vi...  
JP2015008491A
To provide a method for reducing error propagation in decision feedback equalizer.In a method and a device related to hybrid decision feedback equalization, a correction term is used for compensating slicer error, thus avoiding error pro...  
JP2014228926A
To provide smoothing processing while preserving edges at a low cost.A cyclic digital filter introduces level adaptation processing of input signals to perform smoothing processing while preserving edge areas, which are steep change of t...  

Matches 501 - 550 out of 5,200