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| Number | Title | Issue Date |
| 8106813 | Multichannel constant envelope orthogonal waveforms using receiver design An radar apparatus including a first transmitter, a second transmitter, a first receiver, a second receiver, and a control device. The control device is programmed to use both the characteristics of a first transmit signal from the first transmitter and a second tra... | 01/31/2012 |
| 7973701 | Automotive radar sensor blockage detection system and related techniques A blockage detection system and method for use in a sensor such as a side object detection (SOD) sensor in an automotive radar system is described. The sensor emits signals and receives return signals (i.e. reflected signals) from a passing object. If the passing ob... | 07/05/2011 |
| 7864100 | Self-referencing radar pulse detector An automatic pulse detector compares a radar video pulse to a delayed and amplified version of itself. The radar video pulse serves as an amplitude reference for a comparator. A delayed and amplified version of the same pulse serves as the pulse to be detected. Time... | 01/04/2011 |
| 7764222 | Adaptive pulse detection for all-digital line-of-sight (LOS) processor An all-digital line-of-sight (LOS) process architecture addresses the size, weight, power and performance constraints of a receiver for use in semi-active or active pulsed electromagnetic (EM) targeting systems. The all-digital architecture provides a platform for e... | 07/27/2010 |
| 7701383 | Method for detecting a target An improved radar system and method for detecting targets is described. The invention discriminately detects and analyzes a target by sub-dividing it into sections, and then, in combination with a sliding window integrator, assimilates accumulated high resolution ch... | 04/20/2010 |
| 7436353 | Transmitting-receiving module of radar system A transmitting-receiving module of a radar system which is an embodiment of the present invention, includes, a transmitting circuit for sending transmitting RF signal, a three terminal circulator having three terminals and with the first terminal of which is connect... | 10/14/2008 |
| 7427944 | Pulse radar system A pulse radar system includes: a pulse output circuit that outputs a periodic transmission pulse and a gate pulse having a cycle which is a rational multiple of a cycle of the transmission pulse and is different from a cycle of the transmission pulse; a transmission... | 09/23/2008 |
| 7427947 | Aircrew aid to assess jam effectiveness The invention generally relates to the field of computer software particularly to an improved method of providing aircrew decision aids for use in determining the optimum placement of an Electronic Attack (EA) aircraft. The core of the invention is a software progra... | 09/23/2008 |
| 7425693 | Spectral tracking A method of tracking a target. The method includes the steps of acquiring a first spectral image of a scene that includes the target, designating a spectral reference window, in the first spectral image, that includes a respective plurality of pixel vectors, acquiri... | 09/16/2008 |
| 7423579 | Transmit-receive FM-CW radar apparatus A transmit-receive FM-CW radar apparatus according to one mode of the invention comprises: a mixer for downconverting an IF signal; a switch provided on the input side of the mixer; and a switch controller for controlling the switch on and off in different modes and... | 09/09/2008 |
| 7417586 | Methods and systems for interferometric cross track phase calibration A method to compensate for variances in signal path delays for a plurality of radar return processing channels is described. The method comprises providing a signal in the signal path between an antenna and a corresponding receiver of each radar return processing ch... | 08/26/2008 |
| 7417579 | Weather radar with significance determination A weather radar system includes processing electronics. The processing electronics sense weather and determine significant weather based upon the altitude of the weather. The altitude of the weather can be compared to a flight path to determine its significance. A d... | 08/26/2008 |
| 7414570 | System and method for adaptive broadcast radar system An adaptive broadcast radar system for tracking targets is disclosed. The radar system includes a transmitter having sub-apertures and a receiver having sub-apertures. The transmitter sub-apertures generate and code a signal waveform. The signal waveform is coded wi... | 08/19/2008 |
| 7379017 | Micro movement pulsed radar system and method of phase noise compensation A pulsed radar system uses phase noise compensation to reduce phase noise due to drift of the reference oscillator to enable detection of micro movements and particularly human motion such as walking, breathing or heartbeat. The noise level due to A/D sampling must ... | 05/27/2008 |
| 7379018 | System and method for verifying a radar detection The method and system provide provisions for generating a respective detection state value associated with each of a plurality of RF receive beams. A first state value is indicative of a detection. The method and system further provide provisions, for each of the de... | 05/27/2008 |
| 7372396 | Transmit-receive FM-CW radar apparatus A transmit-receive FM-CW radar apparatus according to one mode of the invention comprises: a mixer for downconverting an IF signal; a switch provided on the input side of the mixer; and a switch controller for controlling the switch on and off in different modes and... | 05/13/2008 |
| 7358887 | System and method for detecting emitters signals having multi-valued illumination times A system and method is provided for detecting emitter signals and for determining a scan strategy for a receiver system that receives such emitter signals. When detecting emitter signals of a particular emitter, the receiver may periodically revisit the portion of t... | 04/15/2008 |
| 7342532 | Radar system and contamination judging method Provided are a radar system and a contamination judging method capable of reducing adjustment costs and detecting contamination adhering to a radome with accuracy. The radar system includes an antenna for transmitting a transmission wave in a plurality of different ... | 03/11/2008 |
| 7336220 | Method and apparatus for equalizing broadband chirped signal In order to generate a signal for canceling a chirped signal, a transmitter generates a cancellation signal along with the transmitted signal, using a single term variable complex gain multiplier adapted to cancel the chirped signal only at its instantaneous frequen... | 02/26/2008 |
| 7336217 | Method and apparatus for interferometric radar measurement In a method for interferometric radar measurement, at least two side looking RADAR systems on satellite and/or missile-supported platforms illuminate a common surface area by means of microwave signals. A first side looking RADAR system sends a first radar signal on... | 02/26/2008 |
| 7333051 | Methods and devices for determining the linearity of signals A method (for example, machine-implemented, e.g., via a receiver), for determining whether a transmitted pulsed-signal is a linear or non-linear frequency modulated (FM) signal, includes: iteratively determining upper and lower bound slopes associated with frequency... | 02/19/2008 |
| 7333052 | Signal processing with reduced combinational complexity Signal processing with reduced combinatorial complexity for tracking evolving phenomena such as radar tracks associated with weighted measurement parameters includes selecting a current phenomenon and obtaining a set of measurement parameters associated with it. Beg... | 02/19/2008 |
| 7327303 | Hybrid radar receiver A hybrid radar receiver includes an antenna array for receiving an input signal having a radar signal from a signal emitter. Each array element outputs an analog signal on a respective data channel. For each data channel, an activatable A/D converter is provided. A ... | 02/05/2008 |
| 7327305 | Process for the evaluation of signals in an SAR/MTI pulsed radar system The invention relates to a process for the evaluating a received signal of an SAR/MTI pulsed radar system that transmits SAR and MTI pulses with respective definable pulse repetition frequency PRF_SAR and PRF_MTI, such that the received signal is a superimposition c... | 02/05/2008 |
| 7324040 | Method of automatically setting the gain of an interrogator receiver within a non-contacting identification system An attack is activated in a receiver amplifier of an interrogator whenever an amplified input signal exceeds an attack threshold voltage value Vatt, and the receiver amplifier at least during a waiting period, the length of which preferrably equals the double length... | 01/29/2008 |
| 7321735 | Optical down-converter using universal frequency translation technology A method and system for converting an optical signal to electrical information signals, including demodulated baseband information signals and modulated baseband signals at multiple harmonics. In an embodiment, the optical information signal is amplitude modulated w... | 01/22/2008 |
| 7317417 | Methods for detection and tracking of targets The present invention relates to active sensor applications, and more particularly is directed to efficient systems and methods for detection and tracking of one or more targets. The invention provides a method for receiving signals reflected from one or more target... | 01/08/2008 |
| 7312742 | Computerized tomography using radar Sensing characteristics of an object includes transmitting a stepped-frequency radar through an object and detecting, with multiple receiving structures, deflected portions of the radar signal. The detected portions are processed to generate processed data including... | 12/25/2007 |
| 7307581 | Mounting structure of high-frequency semiconductor apparatus and its production method In a high-frequency circuit having a substrate having a high-frequency transmission line and an dielectric resonator formed on said substrate so that said dielectric resonator and said high-frequency transmission line may be coupled electro-magnetically to each othe... | 12/11/2007 |
| 7307577 | Storm top detection A method of characterizing a maximum height of a storm cell for an aircraft is provided. First reflectivity data formed from a first scan of a storm cell by a radar is received and a first centroid of the storm cell is identified. Second reflectivity data formed fro... | 12/11/2007 |
| 7301495 | Interrupt SAR implementation for range migration (RMA) processing A moving radar (405) generates a synthetic aperture image from an incomplete sequence of periodic pulse returns. The incomplete sequence of periodic pulse returns has one or more missing pulses. The radar converts the incomplete sequence of pulse returns into... | 11/27/2007 |
| 7298315 | Radar pulse compression repair A radar pulse compression repair (RPCR) system includes a receiver for receiving a radar return signal, a matched filter for applying matched filtering to the radar return signal to generate a matched filter output, a processor programmed for applying Radar Pulse Co... | 11/20/2007 |
| 7295148 | Radar system with RCS correction There is provided a radar system having an input amplitude correcting function in which even when a large reflection wave exceeding a dynamic range of an A/D converter is inputted, an RCS calculation without a time lag can be executed at high precision, high reliabi... | 11/13/2007 |
| 7295826 | Integrated frequency translation and selectivity with gain control functionality, and applications thereof Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input signal, and down-converting the filtered input signal. The filtering... | 11/13/2007 |
| 7292835 | Wireless and wired cable modem applications of universal frequency translation technology Frequency translation and applications of same are described herein, including cable modem applications. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, enhanced signal reception, unified down-conversion and fil... | 11/06/2007 |
| 7289060 | Super high range resolution amplitude and range principal scatterer (SHARP) classifier A radar classifies an unknown target illuminated with a large bandwidth pulse. The large bandwidth pulse may be algorithmically synthesized. The target reflects the large bandwidth pulse to form a return. The return is digitized into digital samples at range bin int... | 10/30/2007 |
| 7286078 | Radar system for motor vehicles A radar system for motor vehicles, having an antenna, a first processor which is developed to transform signals supplied by the antenna via a primary signal path into a spectrum, and a second processor for the additional evaluation of the spectrum, wherein at least ... | 10/23/2007 |
| 7286080 | High-frequency transmitting/receiving apparatus, radar system having the same, and vehicle and small boat equipped with the radar system Provided is a millimeter-wave transmitting/receiving apparatus of pulse-modulation type in which pulse-modulated millimeter-wave signals for transmission are prevented from being outputted to a reception system due to inner reflection or other causes. Included are: ... | 10/23/2007 |
| 7274324 | Apparatus and method of tracking objects in flight A path in three-dimensions for an object in flight is determined according to a radar signal reflected by the object. The radar signal is transmitted at an offset angle from horizontal sufficient to capture the object within the transmitted radar signal. The transmi... | 09/25/2007 |
| 7262729 | Radio detection and ranging intrusion detection system A radar system having a processor, a waveform generator, a plurality of antenna interfaces, a set of first antennas configured to transmit a waveform, and a set of second antennas configured to receive a reflected waveform is disclosed. The waveform generator and an... | 08/28/2007 |
