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Patent Searching and Data


Matches 201 - 250 out of 5,200

Document Document Title
WO2001028310A9
Dans un mode de réalisation. l'invention concerne un émetteur-récepteur décrit et présenté dans la spécification et les dessins, ainsi qu'un générateur oscillateur local (LO), un contrôleur et une unité d'autotest. Toutes ces ...  
WO2002009582A3
A method and apparatus for implementing a signal morphology preservation smoothing scheme. The smoothing scheme includes generating an output signal representative of a filtered version of the input signal, wherein the output signal is g...  
WO2002014898A3
A near object detection (NOD) system includes a plurality of sensors, each of the sensors for providing detection coverage in a predetermined coverage zone and each of the sensors including a transmit antenna for transmitting a first RF ...  
WO/2002/061747A1
An adaptive equalizing circuit suitably used for the regeneration of a digital signal, and a regenerative device using it. A regenerative signal processed by a data generating circuit and its characteristic information are supplied to a ...  
WO/2002/061732A1
A computer system (108) that processes mixtures of signals, such as speech and noise sources derived from multiple simultaneous microphone recordings, in order to separate them into their underlying sources. A source separation routine (...  
WO/2002/060057A1
Described is a multichannel filter (20) which comprises $i(S) inputs for receiving S input signals (x¿$i(1)?..x¿$i(S)?) and at least $i(S) filters (14, 28) coupled to the S inputs for filtering the input signals (x¿$i(1)?..x¿$i(S)?) ...  
WO2002014900A3
A video amplifier for a radar receiver includes a temperature compensating attenuator. The attenuator includes a temperature sensitive device, such as a thermistor, arranged in a voltage divider network and is coupled in cascade between ...  
WO2002014098A3
In accordance with the present invention, an adaptive cruise control system includes a radio frequency (RF) transmit receive (TR) sensor module (or more simply "sensor") disposed such that a detection zone is deployed in front of a vehic...  
WO/2002/054387A1
A noise removing device comprising a conversion unit for converting an input signal into a frequency region, an SNR calculation unit for using a frequency region signal to determine a signal-to-noise ratio (SNR), a suppression factor gen...  
WO2002015323A3
A multiple beam array antenna system comprises a plurality of radiating elements provided from stripline-fed open-ended waveguide coupled to a Butler matrix beam forming network. The Butler matrix beam forming network is coupled to a swi...  
WO/2002/039682A2
The present invention relates to signal processing, and, in particular to a method and system for blind source separation which uses a measure of temporal predictability to identify a source signal from a mixture of such source signals. ...  
WO/2002/039584A1
An adaptive filter is implemented by a computer (10) processing an input signal using a recursive least squares lattice (RLSL) algorithm (12) to obtain forward and backward least squares prediction residuals. A prediction residual is the...  
WO/2002/037676A1
The present invention discloses an improved adaptive line enhancer comprising an adaptive Gray-Markel lattice notch filter having an adaptive notch frequency, in which the notch frequency is determined according to a notch frequency vari...  
WO/2002/035727A1
Quick real-time identification and estimation of a time-non-varying or time-varying system. A new H¿$m(w)? evaluation criterion is determined, a fast algorithm for a modified H¿$m(w)? filter based on the criterion is developed, and a q...  
WO2001084708A3
An input signal is filtered for creating an output signal using an adaptive filter. An error signal is derived from the output signal. The adaptive filter has coefficient whose value can be modified. A value of a coefficient is modified ...  
WO/2002/019258A1
A method for analyzing data, the data characterized by a set of scalars and a set of vectors, to analyze the data into components related by statistical correlations. In preferred embodiments, the invention includes steps or devices for,...  
WO/2002/018969A1
The invention relates to a system and method for processing a signal being emitted from a target signal source (20) into a noisy environment, wherein said target signal source (20) is located in a target signal source direction $g(f)¿s?...  
WO/2002/017487A1
The partitioned block frequency domain adaptive filter according to the invention comprises a plurality of parallel arranged filter partitions. Each filter partition models a part of an impulse response of the adaptive filter and has upd...  
WO/2002/017488A1
The partitioned block frequency domain adaptive filter according to the invention comprises a plurality of parallel arranged filter partitions. Each filter partition models a part of an impulse response of the adaptive filter and has upd...  
WO/2002/015323A2
A multiple beam array antenna system comprises a plurality of radiating elements provided from stripline-fed open-ended waveguide coupled to a Butler matrix beam forming network. The Butler matrix beam forming network is coupled to a swi...  
WO/2002/014098A2
In accordance with the present invention, an adaptive cruise control system includes a radio frequency (RF) transmit receive (TR) sensor module (or more simply 'sensor') disposed such that a detection zone is deployed in front of a vehic...  
WO/2002/014891A2
A radar detection process includes computing a derivative of an FFT output signal to detect an object within a specified detection zone. In one embodiment, a zero crossing in the second derivative of the FFT output signal indicates the p...  
WO/2002/015396A1
A method of providing real time digital pulse shaping includes: receiving a digital pulse input signal (31); applying the digital pulse input signal to first (33, 34, 35) and second (32, 36, 37) processing channels, the first processing ...  
WO2001082474A3
The present invention, generally speaking, accelerates convergence of a fast RLS adaptation algorithm by, following processing of a burst of data, performing postprocessing to remove the effects of prewindowing, fictitious data initializ...  
WO/2002/014898A2
A near object detection (NOD) system includes a plurality of sensors, each of the sensors for providing detection coverage in a predetermined coverage zone and each of the sensors including a transmit antenna for transmitting a first RF ...  
WO/2002/015334A1
A multiple beam array antenna system comprises a plurality of radiating elements (82) provided from stripline-fed open-ended waveguide coupled to a Butler matrix beam forming network (86). The Butler matrix beam forming network is couple...  
WO/2002/014900A2
A video amplifier for a radar receiver includes a temperature compensating attenuator. The attenuator includes a temperature sensitive device, such as a thermistor, arranged in a voltage divider network and is coupled in cascade between ...  
WO/2002/009582A2
A method and apparatus for implementing a signal morphology preservation smoothing scheme. The smoothing scheme includes generating an output signal representative of a filtered version of the input signal, wherein the output signal is g...  
WO/2002/009474A2
An audio signal processing device is described for deriving auxiliary audio signals, such as audio direction sensing signals or a centre audio signal from first and second audio signals through first and second filter paths, each of whic...  
WO/2001/095488A1
For the equalization of linearly distorted CPM-modulated signals an adaptive filter is used. The filter coefficients are adapted by instantaneous errors based on the constant modulus criterion. For stabilization, the coefficients are dri...  
WO2001052411A3
A transmitter is disclosed for transmitting a transmission signal via a transmission medium. The transmitter derives a prediction signal from the digital information signal in dependence on an array of prediction filter coefficients. The...  
WO/2001/084708A2
An input signal is filtered for creating an output signal using an adaptive filter. An error signal is derived from the output signal. The adaptive filter has coefficient whose value can be modified. A value of a coefficient is modified ...  
WO/2001/082474A2
The present invention, generally speaking, accelerates convergence of a fast RLS adaptation algorithm by, following processing of a burst of data, performing postprocessing to remove the effects of prewindowing, fictitious data initializ...  
WO2001037435A3
A sensor array (10 sub.1-N) receiving system which incorporates one or more filters (16 sub.1-N) that are capable of adaptive and/or fixed operation. The filters are defined by a multiple of coefficients and the coefficients are set so a...  
WO2001028310A8
Dans un mode de réalisation. l'invention concerne un émetteur-récepteur décrit et présenté dans la spécification et les dessins, ainsi qu'un générateur oscillateur local (LO), un contrôleur et une unité d'autotest. Toutes ces ...  
WO/2001/067434A1
An active noise reduction system is provided having a novel configuration that uses a fixed point digital filter (20) to estimate an inverted replica of the acoustic noise (19) from the measurement of the control error (21) at some prede...  
WO/2001/065723A1
A training section (102) calculates a tap coefficient. An impulse response calculating section (103) calculates the impulse response of the tap coefficient. A tap selecting section (104) selects a tap on the basis of the magnitude of the...  
WO2001013516A3  
WO/2001/052411A2
A transmitter is disclosed for transmitting a transmission signal via a transmission medium. The transmitter derives a prediction signal from the digital information signal in dependence on an array of prediction filter coefficients. The...  
WO/2001/037435A2
A sensor array (10 sub.1-N) receiving system which incorporates one or more filters (16 sub.1-N) that are capable of adaptive and/or fixed operation. The filters are defined by a multiple of coefficients and the coefficients are set so a...  
WO/2001/033773A1
A wireless cable replacement system. A personal area network, comprising a device having a first wireless transceiver, and an adapter having a second wireless transceiver in communication with the first wireless transceiver, and a plug c...  
WO/2001/028310A2
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of thes...  
WO/2001/024416A1
A method and apparatus for the real-time creation of an output audio signal from an input signal (110) with an unwanted or noise portion (118). The system detects the unwanted portion (118) of the input signal by utilizing an adaptive de...  
WO/2001/017109A1
A method and apparatus is disclosed for performing blind source separation using convolutive signal decorrelation. For a first embodiment, the method accumulates a length of input signal (mixed signal) that comprises a plurality of indep...  
WO/2001/015007A1
A method and apparatus for determining the location of the peak of a signal using an adaptive filter bank. The method includes the steps of providing a set of calculated output points for the function using a predetermined calculation in...  
WO/2001/015320A1
A transversal filter for suppression of interfering signals in broadband communication systems is described. The filter has only one variable filter coefficient, A = f(a), while the coefficient in the last path always is equal to 1. a = ...  
WO/2001/013516A2
A feedforward filter (20) has a plurality of feedforward filter taps (23a-23g), including a feedforward filter reference tap (23d). The reference tap of the feedforward filter is positioned proximate a center position of the feedforward ...  
WO/2001/008306A1
The invention relates, in the field of subband decomposition, to the design of filter banks adapted to the input signal statistics. In most cases, two channel filter banks are iteratively applied over several levels of decomposition, the...  
WO/2001/001571A1
Stereo echo cancellation is necessary to overcome the objections observed by for example teleconferencing, voice controlled video/audio apparatuses etc.. To improve the existing filters the invention provides an adaptive filter and a sig...  
WO/2000/077953A1
An array combining unit (102) array-combines the received signals received by antennas. A most likelihood string estimating unit (106) outputs symbol string candidates for the array-combined received signals. A replica generating unit (1...  

Matches 201 - 250 out of 5,200