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Patent Searching and Data


Matches 601 - 650 out of 13,092

Document Document Title
WO2003071683A3
Apparatus and methods are disclosed for treating an input set of weightless binary tuples to order the Hamming values thereof. In the general case, the tuples are thermometer coded in a common direction (left or right) and thereafter an ...  
WO/2003/001965A1
A programmable filter is provided for filtering image or texture map data. A weighting RAM stores weighting data for filtering data in both x and y directions. Different weighting values may be programmed into weighting RAMs to provide d...  
WO2004001965A1
A programmable filter is provided for filtering image or texture map data. A weighting RAM stores weighting data for filtering data in both x and y directions. Different weighting values may be programmed into weighting RAMs to provide d...  
WO/2003/107533A2
Disclosed is a method for digitally filtering K input values by means of a non-linear filter, wherein the filter produces an output value, the R biggest value, from the K input values (K ≥ R ≥ 1). The inventive method can be used to ...  
WO/2003/107528A2
The invention relates to circuit arrangements for generating an IQ voltage signal or current signal, consisting of an I part and of a Q part that is orthogonal thereto, said parts having approximately the same amplitudes. Said signal is ...  
WO/2003/107035A2
The invention relates to a method for the suppression of disturbances in systems for detecting objects in a target area, whereby a sequence of pulses is transmitted into the target area by at least one transmitter and the reflection sign...  
WO2003062964A3
The present invention is a method and system for extracting information from a received signal (Yi) with minimal loss due to noise. The system comprises of a transformer (12), for correlating the received signal to a wavelet function and...  
WO2002080363A9
Embodiments of a two-dimensional pyramid filter architecture are described.  
WO/2003/100782A1
A reproduced signal obtained by playing back a recording medium where digital signals have been recorded is inputted to an input terminal (1), quantized by an A/D converter (8), passed through an integrator (20) comprising a first-order ...  
WO/2003/101031A1
A subband channelizer that includes a demultiplexer that receives input samples of a signal and distributes the input samples to a plurality of channelizer filter banks. A Fourier transform module that receives outputs from the plurality...  
WO/2003/096534A1
A waveform of a desired frequency characteristic is input as a numeric value string and is subjected to reverse FFT so as to obtain a filter coefficient group. Thus, without having any expert knowledge, only by inputting a waveform of a ...  
WO2003019786A3
A digital down converter (100) is provided. The digital down converter (100) includes an input adapted (102) to receive an input signal (101), a mixer circuit (104) coupled to the input to down converter the input signal, and a decimatio...  
WO2003055195A3
An embodiment of the present invention is directed to a rate enhanced system for supporting duplex transmission of symmetric data rates. The system comprises an encoder comprising a serial to parallel converter for receiving a serial dat...  
WO2003063351A3
A method in a signal processor for filtering samples in a digital signal is provided. An approximate filtered sample is generated as a function of less than four samples of the digital signal. A correction is generated as a function of t...  
WO2003015270A3
The invention concerns a method for determining filtering coefficients of a modulated filter bank, based on a prototype filter of length L designed to produce a modulated system with M sub-bands, comprising the following steps: (a) deter...  
WO2002089061A3
Embodiments of a two-dimensional pyramid filter architecture are described.  
WO/2003/085830A1
A computationally efficient, adaptive multistage Wiener filter employs two modules, a linear filter module that operates at the input data rate and an update module that operates at a plurality of rates but performs many calculations at ...  
WO/2003/081774A1
An adaptive proportional integral control loop (209, 210) provides an accurate measurement of input ot output sampling rates for use in asynchronous sampling rate conversion. An input counter (200) counts inputs samples and its output is...  
WO2002069492A3
A highly-programmable Finite Impulse Response (FIR) digital filter overcomes the limitations of conventional configurations. Specifically, a compound FIR filter configuration is provided, offering the advantages of heightened programmabi...  
WO2003047091A3
A data processing circuit for a communication receiver comprises an input path (23), a control (27), a sign modifying module (29), first and second delay elements (31, 33), first and second multiplying means (35, 37) and a summing module...  
WO/2003/077419A1
An A/D conversion section (101) performs oversampling on an analog signal at a rate M times the symbol rate to convert into digital signals. A FIR filtering section (102) has two delay-element sequences each with a plurality of delay ele...  
WO/2003/077441A1
The invention generally relates to improved correlators for spread spectrum receivers, particularly for third generation (3G) mobile communications systems. A Golay correlator with a plurality of delay structures is described. At least o...  
WO2002047258A3
A filter (26) is used to average power values of a signal that has been subjected to varying gain. The gain is factorised into two factors, the first being the highest power of 2 within the gain, and the second being a factor which can b...  
WO2003015269A3
The invention relates to a method for generating a temporally discrete amplitude value sequence s[n], characterised in that a continuous signal r(t) is filtered and subsequently sampled using a period T. According to the method: - the co...  
WO/2003/073317A1
A digital signal processing system (1) capable of compensating for frequency response variations (5) and generating a response characteristic (8) that complies with a provided specification (14). The system automatically generates digita...  
WO/2003/071683A2
Apparatus and methods are disclosed for treating an input set of weightless binary tuples to order the Hamming values thereof. In the general case, the tuples are thermometer coded in a common direction (left or right) and thereafter an ...  
WO/2003/069499A1
A system and method are disclosed for analyzing an input signal (100) into a plurality of frequency components. In one embodiment, the input signal (100) is processed with a first set of low pass filters (102-132) to derive a first set o...  
WO/2003/065579A1
Methods and apparatus of signal processing are described. In a method according to one embodiment, a high−frequency region of a digital signal is detected. In response to the detecting, the high−frequency content of the digitized sig...  
WO/2003/063350A2
The invention relates to a digital signal filtering method, a frequency synthesiser and the corresponding computer programs. More specifically, the invention relates to a method of filtering an original digital signal which is represente...  
WO2003028327A3
A circular filtering system which prevents the problem of inter-symbol interference. The circular filtering system utilizes a buffer memory to store samples of a given symbol and provide only these samples to a linear filter such that th...  
WO/2003/063351A2
A method in a signal processor for filtering samples in a digital signal is provided. An approximate filtered sample is generated as a function of less than four samples of the digital signal. A correction is generated as a function of t...  
WO/2003/063346A2
The invention relates to a method of decreasing the dynamic range of a signal comprising the steps of:- determining a property of the signal,- determining a limitation parameter based on the property of the signal, - limiting the signal ...  
WO/2003/062964A2
The present invention is a method and system for extracting information from a received signal (Yi) with minimal loss due to noise. The system comprises of a transformer (12), for correlating the received signal to a wavelet function and...  
WO/2003/058814A1
One or more unit filters are prepared from basic unit filters having a predetermined basic numerical string h1 to h6 as filter coefficients. A digital filter is designed by combining these. Thus, by combining the unit filters, it is poss...  
WO/2003/054726A1
A decimation system and decimation circuit for decimating waveform data on an oscilloscope. The decimation circuit is implemented using sixteen parallel 16-to-1 multiplexers connected in parallel to a data bus which selectively captures ...  
WO/2003/055195A2
An embodiment of the present invention is directed to a rate enhanced system for supporting duplex transmission of symmetric data rates. The system comprises an encoder comprising a serial to parallel converter for receiving a serial dat...  
WO/2003/049316A1
The present invention discloses a limited impulse response digital filter for wireless mobile communication system. The limited impulse response digital filter provides very good bandlimited property and preferable robustness for samplin...  
WO/2003/049395A1
A multirate digital transceiver in which, on reception, signals are simultaneously decimated and coarsely down converted in an iterative process to narrow down a received wideband to a desired channel and, on transmission, signals are in...  
WO/2003/047320A1
The present invention relates to an operating device for a discharge lamp, comprising a power supply circuit for supplying power to the discharge lamp from a supply voltage, means for measuring at least one of the actual lamp current, th...  
WO/2003/047097A1
It is possible to easily design an FIR filter having an arbitrary frequency characteristic only by inputting a waveform of a desired frequency characteristic as an image without having any special knowledge, i.e., by inputting a waveform...  
WO/2003/047091A2
A data processing circuit for a communication receiver comprises an input path (23), a control (27), a sign modifying module (29), first and second delay elements (31, 33), first and second multiplying means (35, 37) and a summing module...  
WO2002078182A3
This invention relates to an integrated circuit comprising a two-dimensional pyramid filter architecture of order 2N-1, where N is a positive integer greater than two. With this architecture reduction of computational complexity or proce...  
WO/2003/044950A1
A time discrete filter comprises a sampling rate converter provided with an input and an output, and a down−sampler having a down−sampling factor nd. The time discrete filter further comprises an up−sampler having an up−sampling ...  
WO2003015292A3
A filter is created by sampling noise during an inter-frame gap 110 of a received signal, sampling a data frame preamble 115 from within a data frame 105 of the received signal, and computing filter coefficients based on the noise sample...  
WO2003005356A3
The waveform equalizer (6) for obtaining a corrected signal S' by performing a waveform equalization to a read signal S read out from an information carrier (1). The waveform equalizer (6) has a first filter (61) able to perform a filter...  
WO/2003/039125A1
In telecommunication networks it is particularly necessary to separate signals of various frequency regions from each other, particularly by means of low-pass filters. In said low-pass filter a signal is tapped from a tapping point in a ...  
WO/2003/036794A1
In the present invention a multi-bit time-delay adjuster using Radio Frequency (RF) MicroElectroMechanical (MEM) switches is disclosed for applications in MCPAs with feed-forward linearization technique. The MEM switching system used in ...  
WO/2003/034917A1
A detector for detecting a cardiac event in an IEGM comprises a bank of digital filters. The filter bank comprises at least two filters with substantially different impulse responses corresponding to different properties of said event. T...  
WO2003014961A3
An apparatus and method for filtering data that include retrieving a plurality of data samples from memory; computing a locus of the samples; computing a distance between an input value and the locus; comparing the distance between the i...  
WO/2003/032496A1
Method and arrangement for converting the sample rate of a higher sample rate discrete time signal to a lower sample rate discrete time signal or vice versa. A recursive signal processing algorithm with low pass filtering function is use...  

Matches 601 - 650 out of 13,092