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公开(公告)号:US10794767B1
公开(公告)日:2020-10-06
申请号:US16518571
申请日:2019-07-22
Inventor: Andrew N. Acker
Abstract: An object detection system uses a change in a linear polarization statistic between a first image at a first time and a second image at a second time to determine the presence or the likelihood of an object beneath a surface. The presence of the object may be determined by regions of anomalously high changes in the polarization statistic. The system may use a polarization change detection detector which may simultaneously capture images in multiple polarization channels. Further, the polarization change detection detector may be coupled with a laser interferometry system. Further, the polarization change detection detector may be used to capture a time series of images to determine the polarization decorrelation time for each pixel in the field of view to provide additional detail regarding an object detected beneath the surface.
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公开(公告)号:US10782706B2
公开(公告)日:2020-09-22
申请号:US15882351
申请日:2018-01-29
Inventor: David M. Cooper , Dominick J. Gasparri , Andrew Hunton , Joel D. Reiss
Abstract: The present disclosure provides a spread spectrum landing system with a low probability of intercept altimeter that is in communication with a plurality of asymmetrically placed antennas or transponders near a landing area. The low probability of intercept altimeter acts as a secondary system in the event that a primary landing system for the mobile platform is denied or otherwise inoperable. The low probability of intercept altimeter cycles through unique pseudo noise (PN) codes to determine a line of sight relative to each antenna or transponder. A single algorithm or process determines and ranges the platform relative to the transponders to effectuate the landing of the platform.
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公开(公告)号:US10782509B2
公开(公告)日:2020-09-22
申请号:US16131845
申请日:2018-09-14
Inventor: Mark L Oskotsky , Michael J Russo, Jr. , Daniel Engheben , Erik L Hugel , Shawn C Reven , Vincent Lipari , Jerry Ma , Yueli Zhang
Abstract: An orthoscopic, apochromatic lens is suitable for deployment such as on aerial platforms provides distortion less than 0.2% over a full field of view of more than 60° with F # less than 6.5 and focal length greater than 3″, and in embodiments greater than 5″. Embodiments are apochromatic from 500 to 950 nm to within 7 microns. Embodiments have an overall length of less than 7″. The lens includes five optical groups with an aperture stop between the second and third groups. The optical groups have one, one, two, one and one optical element each, as ordered from the object to the image plane, and have positive, negative, positive, positive, and negative optical powers, respectively. Embodiments are telephoto. In embodiments the focal length is temperature invariant within 0.0015 inches from 0° C. to 40° C.
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公开(公告)号:US10778652B2
公开(公告)日:2020-09-15
申请号:US16050253
申请日:2018-07-31
Inventor: Patrick J. Martin , Brent C. Baker , Collin T. Blakley , Gregory T. Eakman , Robert B. Ross
Abstract: Techniques are disclosed for providing a secure computational platform that facilitates collaboration of assets from different asset providers without exposure of the assets to threats. The assets may be in the form of tools, models, simulations, and other computational assets, which can be used, for example, to perform trade studies. The secure computational platform provides for integration of the assets in a workflow, while protecting the assets during construction and execution of the workflow. In some instances, each asset in the workflow is executed in an IT infrastructure of the asset provider to which the asset belongs.
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公开(公告)号:US10773780B2
公开(公告)日:2020-09-15
申请号:US15630552
申请日:2017-06-22
Inventor: Jeffrey M. Smith , Samuel D. Godin , Leonard M. Baker , Dani Goldberg , William H. Key, Jr.
Abstract: An unmanned underwater vehicle having one, some, or all of an integrated communication control fin, a ballast and trim control, a reusable trigger mechanism for a drop weight, and a visual hull display. Furthermore, associated methods are also provided.
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公开(公告)号:US20200271421A1
公开(公告)日:2020-08-27
申请号:US16285746
申请日:2019-02-26
Inventor: Quang M. LAM , Ryan P. CARNEY , Michael J. CHOINIERE
Abstract: The present system estimates target motion with nonzero acceleration (including maneuvering uncertainty) using angle only (AO) measurements. The present approach employs a mixed coordinate system framework by combining modified spherical coordinate (MSC) system and Reference Cartesian Coordinate (RCC) system to keep accurate information flowing from one frame to the other while eliminating the numerical sensitivity of the angle measurements to the TSE vector. This integrated coordinate systems framework is achieved due to the state vector information of two frames (RCC and MSC) is effectively preserved between processing cycles and state vector transformation steps. The AO TSE architecture and processing schemes are applicable to a wide class of passive sensors. The mixed coordinate system provides robust real-time slant range estimation in a bootstrap fashion, thus turning passive AO measurements into equivalent active sensor measurements with built-in recursive range information but with greatly improved TSE accuracy.
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公开(公告)号:US10731950B2
公开(公告)日:2020-08-04
申请号:US16164894
申请日:2018-10-19
Inventor: Michael N. Mercier
Abstract: A projectile round for intercepting an incoming threat to a vehicle or the like is provided. The projectile round may include an explosive layer, which upon detonation, may cause a the fracturing of one or more material layers into one or both of shrapnel and chaff while simultaneously causing the distortion and/or destruction of a piezoelectric material contained within the projectile round. The distortion and/or destruction of this piezoelectric material may further cause the release of an electromagnetic pulse. The projectile round may be part of a countermeasure system against guided munition threats, including those posed by man-portable air defense systems.
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公开(公告)号:US10728265B2
公开(公告)日:2020-07-28
申请号:US15624444
申请日:2017-06-15
Inventor: Patrick M. Hayden , Jeong-O. Jeong , Vu T. Le , Christopher C. Rappa , Sumit Ray , Katherine D. Sobolewski , David K. Woolrich, Jr.
Abstract: Techniques are provided for cyber warning. One technique includes a cyber warning receiver (CWR). The CWR includes a bus sensing circuit to sense traffic on a communications bus over time, an anomaly detecting circuit to detect anomalous behavior in the sensed bus traffic, a data fusing circuit to fuse the detected anomalous behavior into groups having similar characteristics, a decision making circuit to decide if the fused anomalous behavior is normal or abnormal, and a behavior logging circuit to log the detected anomalous behavior on an electronic storage device. In one embodiment, the CWR further includes a behavior alerting circuit to alert an operator to the fused anomalous behavior identified as abnormal. In one embodiment, the communications bus is an embedded communications bus, such as a MIL-STD-1553 bus, and the CWR is a standalone device configured to connect to the MIL-STD-1553 bus as a bus monitor.
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公开(公告)号:US20200228742A1
公开(公告)日:2020-07-16
申请号:US16247643
申请日:2019-01-15
Inventor: Alberto M. Magnani
IPC: H04N5/3745 , H01L27/146 , H04N9/04
Abstract: A system produces an interpolated luminance-balanced monochrome image from a Red-Clear-Clear-Clear (RCCC) pattern image. It may include an imager having a RCCC pattern filter array. There is an interpolation processing module with one or more processors processing sampled, red filtered image pixels. A red plane is interpolated using the sampled, red filtered pixels, producing an interpolated red for the pixels. The interpolated red pixels are subtracted from the sampled clear pixels, producing a “Clear minus Red” (“C−R”) plane. A C−R value is interpolated for the red filtered pixels. The interpolated C−R value is added to the sampled red pixels, and the monochrome image is output, where the luminance is balanced across the pixels, especially in low and very light environments.
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公开(公告)号:US10700046B2
公开(公告)日:2020-06-30
申请号:US16057204
申请日:2018-08-07
Inventor: Dale A Rickard , Jason F Ross , John T Matta , Richard J Ferguson , Alan F Dennis , Joseph R Marshall, Jr. , Daniel L Stanley
IPC: H01L25/16 , H01L23/498 , H01L23/00 , H01L25/00 , H01L27/112 , H01L23/42 , H01L23/367
Abstract: An MCM-HIC device flexibly adds enhanced features to a VLSI “core” IC that are not directly supported by the core IC, such as unsupported communication protocols and/or support of cold spare operation. The core IC is mounted on an interconnecting substrate together with at least one “chiplet” that provides the required feature(s). The chiplet can be programmable. The chiplet can straddle a boundary of an interposer region of the substrate that provides higher density interconnections at lower currents. The disclosed method can include selecting a core IC and at least one active, passive, or “mixed” chiplet, configuring a substrate, and installing the core IC and chiplet(s) on the substrate. In embodiments, the core IC and/or chiplet(s) can be modified before assembly to obtain the desired result. Cost can be reduced by pre-designing and, in embodiments, pre-manufacturing the chiplets and modified core ICs in cost-effective quantities.
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