| Patent Number |
Title Of Patent |
Date Issued |
| 7603656 |
Methods and systems for modeling concurrent behavior |
October 13, 2009 |
| Methods and systems for modeling concurrent behavior in a sequential programming environment using sequential-execution languages to describe and model multiple different processes which are running simultaneously. |
| 7590209 |
Method and computer program for identifying a transition in a phase-shift keying or frequency-sh |
September 15, 2009 |
| A system for identifying phase transitions in phase-shift keying signals and frequency transitions in frequency-shift keying signals broadly comprises a memory and a computing element capable of: selecting a portion of the signal to analyze, wherein the signal comprises a plurality o |
| 7587441 |
Systems and methods for weighted overlap and add processing |
September 8, 2009 |
| Systems and methods for providing a weighted overlap and add (WOLA) architecture and/or for providing polyphase WOLA FFT processing that may be employed, for example, for separation or channelization of closely-spaced frequencies of an input signal. A WOLA architecture that may be im |
| 7561077 |
Multiple stream multiple rate resampling component |
July 14, 2009 |
| A method of resampling a digital signal involves serially receiving a plurality of samples of said digital signal and applying a plurality of filter coefficients to a first subset of the plurality of samples to generate a first plurality of intermediate results and to a second subset |
| 7556206 |
Temperature compensated clock delay closed loop circuit |
July 7, 2009 |
| Embodiments of the present invention provide a temperature compensating circuit. The circuit generally includes a clock element operable to provide an adjustable clock signal, a buffer element coupled with an analog-to-digital converter and operable to receive the adjustable clock si |
| 7555469 |
Reconfigurable neural network systems and methods utilizing FPGAs having packet routers |
June 30, 2009 |
| Systems and methods are disclosed for forming reconfigurable neural networks with interconnected FPGAs each having a packet router. Neural network nodes are formed within the FPGAs and connections between nodes within an FPGA and connections to nodes external to the FPGA are made usi |
| 7551138 |
Method and apparatus for signal tracking utilizing universal algorithm |
June 23, 2009 |
| A method and apparatus for signal tracking utilizing a universal algorithm is disclosed. The method and apparatus generally include acquiring a signal measurement corresponding to a signal, forming a measurement matrix utilizing the acquired signal measurement, and applying the measu |
| 7545859 |
Adaptive channel equalization technique and method for wideband passive digital receivers |
June 9, 2009 |
| An adaptive channel equalization technique and method for wideband passive receivers is disclosed that reduces and tends to minimize distortions caused by circuitry within passive digital receivers. This equalization architecture provides an adaptive equalization solution for a wideband |
| 7535420 |
Method and apparatus for signal tracking utilizing universal algorithm |
May 19, 2009 |
| Embodiments of the present invention provide a method and apparatus for signal tracking utilizing a universal algorithm. The method and apparatus generally include acquiring a signal measurement corresponding to a signal emitted from an emitter, forming a measurement matrix utilizing |
| 7508344 |
Systems and methods for TDOA/FDOA location |
March 24, 2009 |
| Systems and methods that may be implemented to determine the location of an emitter of electromagnetic radiation, such as an RF signal emitter having an unknown location, using at least two electromagnetic radiation sensor antennas that are co-located on a single sensing platform in |
| 7496158 |
Swept bandpass filter frequency modulated continuous wave (FMCW) receiver and related method |
February 24, 2009 |
| A swept bandpass filter for receiving frequency varying input signals is disclosed. More particularly, a swept bandpass filter frequency modulated continuous wave (FMCW) receiver and related method are disclosed that provide an efficient solution for FMCW signals. The swept bandpass |
| 7489937 |
Method and apparatus for detecting emitter movement |
February 10, 2009 |
| A method and apparatus for detecting emitter movement. The method and apparatus generally include acquiring a measured signal characteristic corresponding to a signal emitted from an emitter, estimating a signal characteristic corresponding to the signal, and comparing the measured a |
| 7489745 |
Reconfigurable direct RF bandpass sampling receiver and related methods |
February 10, 2009 |
| Reconfigurable direct radio frequency (RF) bandpass sampling receivers are disclosed that provide direct RF sampling of an input signal spectrum passed through a bandpass filter that is tunable over a wide frequency range of interest and that is sampled based on the bandwidth of the |
| 7471245 |
Method and apparatus for estimating geolocations |
December 30, 2008 |
| Methods and apparatus operable to estimate the geolocation of a signal emitter. In some embodiments, the methods comprise acquiring collection data from a plurality of collector elements, computing a plurality of candidate geolocations from the acquired collection data, and applying a |
| 7456788 |
Method and apparatus for reducing geolocation ambiguity in signal tracking |
November 25, 2008 |
| A method and apparatus for reducing geolocation ambiguity in signal tracking. The method and apparatus generally include acquiring a first and a second set of geolocations and comparing the sets to reduce ambiguous geolocations. Such a configuration enables accurate and rapid geoloca |
| 7444454 |
Systems and methods for interconnection of multiple FPGA devices |
October 28, 2008 |
| Application Specific Integrated Circuit ("ASIC") devices, such as Field Programmable Gate Arrays ("FPGAs"), may be interconnected using serial I/O connections, such as high speed multi-gigabit serial transceiver ("MGT") connections. For example, serial I/O connections may be employed |
| 7441158 |
Embedded hardware debugging tool and associated method |
October 21, 2008 |
| A multi-platform script language interpreter designed for hardware debug is disclosed along with related methods. In part, the invention is configured to act as an embedded hardware debugging software tool for embedded hardware operating on platforms with internal hardware buses, suc |
| 7436912 |
Nyquist folded bandpass sampling receivers and related methods |
October 14, 2008 |
| Nyquist folded bandpass sampling receivers are disclosed that utilize wideband filters and modulated sampling clocks to identify received signals. In operation, multiple Nyquist zones are allowed to fold on top of each other during sampling. Because the RF sampling clock is modulated |
| 7436911 |
Nyquist folded bandpass sampling receivers with narrow band filters for UWB pulses and related m |
October 14, 2008 |
| Nyquist folded bandpass sampling receivers are disclosed that utilize narrow band filters in parallel with wideband filters to enhance reception of ultra wideband (UWB) pulses. The addition of the narrow band filter facilitates the reception of ultra wideband signal pulses and, there |
| 7436910 |
Direct bandpass sampling receivers with analog interpolation filters and related methods |
October 14, 2008 |
| Reconfigurable direct radio frequency (RF) bandpass sampling receivers are disclosed that utilize analog interpolation filters to improve performance. The addition of the analog interpolation filter to the bandpass sampling receiver allows the quantization clock to be de-coupled from |
| 7426599 |
Systems and methods for writing data with a FIFO interface |
September 16, 2008 |
| Application Specific Integrated Circuit ("ASIC") devices, such as Field Programmable Gate Arrays ("FPGAs"), may be interconnected using serial I/O connections, such as high speed multi-gigabit serial transceiver ("MGT") connections. For example, serial I/O connections may be employed |
| 7426378 |
Separation of cochannel FM signals |
September 16, 2008 |
| Multiple cochannel FM signals received, for example, in an overloaded signal environment may be separated using parallel interference cancellation techniques. |
| 7414582 |
Method and apparatus for all-polarization direction finding |
August 19, 2008 |
| Embodiments of the present invention provide a method and apparatus for all-polarization direction finding. The method and apparatus generally include acquiring measurements at least partially corresponding to an emitted signal and generated utilizing a blind signal extraction algori |
| 7401487 |
Apparatus and methods for material fabrication |
July 22, 2008 |
| Apparatus and methods for fabricating materials by die-forming that may be implemented to form a joggle in a bendable workpiece by securing the workpiece to each of at least two respective adjacent working areas, and then by displacing at least one of the at least two working areas r |
| 7345603 |
Method and apparatus for compressed sensing using analog projection |
March 18, 2008 |
| Embodiments of the present invention provide a method and apparatus for compressed sensing. In some embodiments, the apparatus (10) generally includes a receiving element (12) operable to receive an input signal, an integrate/dump circuit (14), a sampling element (16), and a processor |
| 7298975 |
Synchronous collapsed ring architecture for real-time signal switching and distribution |
November 20, 2007 |
| A method and system includes at least one interconnect hub, connecting the at least one interconnect hub to a plurality of audio connection devices to form a network of audio connection devices with the interconnect hub at the center of the ring. The audio connection devices are connecte |
| 7295296 |
Portable target locator apparatus and method of use |
November 13, 2007 |
| A portable target locator for use by a ground observer to accurately determine the location of a target and transmit location information and firing instructions to an unmanned vehicle so the unmanned vehicle can locate the target and perform an operation based on the firing instruct |
| 7289049 |
Method and apparatus for compressed sensing |
October 30, 2007 |
| Embodiments of the present invention provide a method and apparatus for compressed sensing. The method generally comprises forming a first compressed sensing matrix utilizing a first set of time indices corresponding to a first sampling rate, forming a second compressed sensing matri |
| 7194379 |
High resolution TOA circuit |
March 20, 2007 |
| An interpolation circuit (10) generates a plurality of intermediate amplitude values linearly related to two consecutive signal amplitude values using a system of adders and memory elements. A first stage (64) of the interpolation circuit calculates a one-half amplitude value; a seco |
| 7085847 |
Method and system for scheduling network communication |
August 1, 2006 |
| An apparatus for scheduling transmission of a plurality of frames in a network having a plurality of nodes, each frame identified by a type designation, includes a schedule memory and a sequencer. The schedule memory stores a transmission time for each frame type and a list of frames |
| 6722544 |
Substantially noiseless fastening systems for apparel and carrying packs |
April 20, 2004 |
| A substantially noiseless fastening system for a carrying pack includes a flap attached to the shell of the carrying pack along one edge of the flap, a fastener button attached to the flap near a second edge of the flap, and a button receiver attached to the shell. The button receiver ha |
| 6698079 |
Cardcage for circuit cards |
March 2, 2004 |
| The present invention provides an improved cardcage design. The improvements result from the formation of an integral cardcage side using a construction method involving precision punched sheet aluminum that is precision formed into final configuration. The integral cardcage side des |
