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Matches 1,201 - 1,250 out of 9,629

Document Document Title
JP2021150694A
To efficiently use hardware resource and perform countermeasure against soft error, in hardware arithmetic of an FIR(finite impulse response) filter.A digital filter 1 stores input data 101 before filtering process or output data 108 aft...  
JP2021145222A
To flatten the gain and phase characteristics of a digital filter.In a digital filter that reduces a DC component of an input data string, when a cutoff frequency F0 is ω0/2π and a Q value is Q, the transfer function H (s) is expressed...  
JP6935370B2
A signal generator includes inverse characteristic calculation means for calculating an inverse characteristic of a transfer function from an inverse characteristic of a frequency characteristic of a signal based on the transmission stan...  
JP6928496B2
The present application relates to an adaptive filter using resource sharing and a method of operating the adaptive filter. The filter comprises at least one computational block, a monitoring block and an offset calculation block. The co...  
JP6929627B2
A test and measurement instrument, including a splitter configured to split an input signal having a particular bandwidth into a plurality of split signals, each split signal including substantially the entire bandwidth of the input sign...  
JP2021125755A
To design an FIR filter with intermediate delay characteristics between a linear phase filter and a minimum phase filter.A filter generation device generates an FIR filter. The filter generation device determines H (ω) with the target a...  
JP6913099B2
A digital filter has an assigned filter function with assigned filter coefficients (bk), an input receiving input samples (xk), another input receiving confidence values (ck), and an output (out). Each input sample value (xk) is associat...  
JP2021110553A
To generate a signal which simulates frequency characteristics by a tap number less than a tap number required in a transmission standard.A signal generation device comprises: tap value setting means 2 for setting a tap value of each tap...  
JP6880016B2
Systems and methods to provide an audio spectral correction can be implemented in a variety of applications. Such systems and methods can include an equalizer design that uses efficient filter sections tuned with a closed form algorithm ...  
JP2021076739A
To provide a signal processing device capable of reducing missing of a signal in a low-frequency range when performing signal processing.A signal processing system includes a signal processing device having a signal processing section wh...  
JP2021040239A
To enable adjustment of a digital filter suitable for disturbances generated in the surroundings.A receiving device includes: a digital filter that removes or attenuates disturbances included in a signal received via a communication line...  
JP6826524B2
To reduce a processing load in the case of chancing a frequency of an analog signal of a generation purpose or a detection purpose.A signal processing device 100 confirms an amplitude of a second analog signal in each time based on a clo...  
JP6816277B2
A converter 2 includes a time window cut-out block 21, a fast Fourier transform (FFT) block 22, an attenuation amount limitation block 23, a quantization noise attenuation block 24, an overtone generation block 25, an inverse fast Fourie...  
JP2021002819A
To provide a filtering device capable of eliminating a delay, improving followability to changes in a measured value, and achieving a noise reduction effect equivalent to that of a moving average filter.A filtering device includes an acq...  
JP6807945B2
An exemplary timing generator includes a coarse delay circuit configured to generate a coarse delayed rising edge signal and a coarse delayed falling edge signal from a reference timing signal; a fine delay circuit configured to generate...  
JP6809201B2
To provide a sampling rate conversion circuit, a reciprocal count value generation circuit, and a physical quantity sensor which are excellent in accuracy and capable of reducing power consumption.Provided is a sampling rate conversion c...  
JP6808296B2
To provide a digital filter, a signal processing device and a communication instrument that can remove a direct current component and a low frequency component while maintaining signal quality of a rectangular wave signal due to ΔΣ mod...  
JP6805416B2
Methods and devices are described for reducing the audible effect of pre-responses in an audio signal. The pre-responses are effectively delayed by employing a digital non-minimum-phase filter, which includes a zero lying outside the uni...  
JP6804554B2
The purpose of the present invention is to reduce leakage of an output signal between band-pass filters and in the time axis direction. A signal input part 1 vectorizes an input signal x(n). An extended impulse response matrix generation...  
JP6798392B2
To enhance sound quality by using a high sampling rate and to suppress a load by enhancement of the sound quality.An effect imparting device converts analog voice information inputted from a voice input section into digital voice informa...  
JP6785899B2  
JP6787105B2
To provide a digital filter, a reciprocal count rate creation circuit, and a physical quantity sensor that can reduce a circuit scale and reduce power consumption.A digital filter processes a delta-sigma modulation signal subjected to fr...  
JP2020181046A
To provide a hybrid type ANC (active noise control) system with a small area and low power consumption.A hybrid type ANC system B comprises: a feedback type ANC circuit 12 for outputting a first noise cancel signal with a first sampling ...  
JP2020182188A
To provide new means for speeding up a digital filter device including an IIR filter.The disclosed digital filter device includes an IIR filter 100 having N inputs and M outputs. The IIR filter 100 is parallelized to have a parallel numb...  
JP6780522B2
In order to provide a material tester having a digital noise removal filter capable of high-accuracy filtering without generating an error caused by a rounding calculation using a simple configuration even when an integrated value obtain...  
JP6777095B2
The present invention addresses the problem of increasing the likelihood of making it possible to reduce the consumption of power necessary for filter processing and the amount of heat generated during filter processing. In order to over...  
JP6774492B2
An approach to digital compensation uses a particular structure for a digital pre-distorter (DPD) which acts as a relatively accurate pre-inverse of a non-linear circuit (e.g., a non-linear transmit chain involving digital-to-analog conv...  
JP6769651B2
To provide a general-purpose variable digital filter capable of flexibly corresponding to a use environment or an application.The variable digital filter circuit comprises: an FFT circuit 11 for performing Fourier transformation of an in...  
JP6764374B2
To reduce the number of multipliers of a chromatic dispersion compensation filter made up of a FIR filter.A wavelength dispersion compensation filter includes cascade-connected N-1 delay units constituting a tapped delay line of N (N is ...  
JP2020136757A
To provide a parallel IIR filter.A denominator polynomial D(z) and a numerator polynomial N(z) in a transfer function H(z) of a IIR filter is converted into a transfer function by a parallelized polyphase expression, and therefore, a par...  
JP6745973B2
A multi-stage demultiplexing circuit in which a plurality of circuits each combining a selector and a frequency decimation circuit are connected is included. The selector selects one of input signals based on a control signal, and genera...  
JP2020523833A
Disclosure is to obtain communication system data representing the characteristics of a communication system that includes one or more radio transmission bands and to use it in a CFR system based at least in part on the input communicati...  
JP2020120374A
To generate an analog signal with a wider bandwidth.A signal generation device 10 includes a digital signal waveform generation unit 12 that generates a digital signal waveform. A low frequency (LF) signal path includes a low pass filter...  
JP6724828B2
A signal processing apparatus has a first memory in which plural pieces of FIR coefficient data used for implementing an FIR filter algorithm are stored, a second memory which stores plural pieces of input data to be subjected to the FIR...  
JP6719228B2
To provide a semiconductor device capable of suppressing increase in power consumption.A semiconductor device comprises: a signal line 1000; a reception buffer circuit 1003 connected to an end of the signal line 1000 and to which a signa...  
JP6719474B2
A finite impulse response (FIR) digital filter has an assigned filter function with assigned filter coefficients, an input receiving input samples, another input receiving confidence information values, and an output. Each input sample v...  
JP6716633B2
To generate a desired signal without attenuating DC amplitude, even if the number of taps cannot be secured sufficiently.Reverse characteristics calculation means 2 calculates reverse characteristics of a transfer function from reverse c...  
JP6717204B2
Provided is a digital filter circuit in which a filter coefficient can be easily changed, for which circuit scale and power consumption can be reduced, and which carries out digital filter processing in a frequency domain. This digital f...  
JP6712153B2
A digital tuner in a broadcasting receiving unit outputs audio data at a sample rate of Fs + dr (Hz), and an ASRC rate-converts audio data to audio data at a sample rate of Fs + ds (Hz) and transmits the resulting audio data to an audio ...  
JP6712071B2
The present invention is configured so as to comprise: a high-pass filter (2) that eliminates an offset included in an AC signal Vin input from a signal input terminal (1); and a waveform restoration unit (3) that, using a time constant ...  
JP6704041B2
Noises that are to be emitted by an aerial vehicle during operations may be predicted using one or more machine learning systems, algorithms or techniques. Anti-noises having equal or similar intensities and equal but out-of-phase freque...  
JP2020080517A
To provide a digital signal processing device capable of outputting a normal digital signal even if a digital signal output from a digital filter is not normal.Digital signal processing devices 10, 10a include: digital filter units 102, ...  
JP6674999B2
An apparatus, and related method, relates generally to viable bandwidth filtering. In such an apparatus, an analysis filter bank has path filters associated with different bandwidths and is configured for filtering and transforming an in...  
JP6671877B2
Computationally efficient methods and related systems, for use in a test and measurement instrument, such as an oscilloscope, optimize the performance of DFEs used in a high-speed serial data link by identifying optimal DFE tap values fo...  
JP6672322B2
A multi-rate audio processing system and method provides real-time measurement and processing of amplitude/phase changes in the transition band of the lowest frequency subband caused by the audio processing that can be used to apply ampl...  
JP6661866B2
A filter coefficient calculation device includes a function unit that has a plurality of functions to be executed by an FIR filter, a function selection unit that selects one or a plurality of functions from among the plurality of functi...  
JP6659848B2
The disclosure relates to a method for measuring the variance in a measurement signal, comprising the following steps: filtering the measurement signal by means of a high-pass filter in order to obtain a filtered measurement signal; dete...  
JP6646466B2
To provide a filter having such features that arithmetic processing burden of filter operation is small, and reverse run out during startup or jump at stop can be prevented even if the filter characteristics are designed steeply.A band r...  
JP2020025154A
To provide a digital circuit capable of achieving a filter which can handle input data of floating point format.The digital circuit executes integral calculation of integrating input data, executes differential calculation of determining...  
JP6640204B2
Various exemplary embodiments relate to a method and apparatus for processing audio signals to influence the reproduction of the audio signals. The apparatus may include a speaker, a headphone (over-the-ear, on-ear, or in-ear), a microph...  

Matches 1,201 - 1,250 out of 9,629