Abstract: A guidance system for a projectile having a mid-body. The guidance system having a mid-body semi-active laser seeker. The seeker has an objective lens assembly and a sensor array that reads laser energy and transmits data to determine the direction of the laser energy. A glint management unit is connected to mid-body in such a manner that glint laser energy is prevented from passing to the objective lens assembly and sensor array so as to enhance determination of the location of the target.

Abstract: The system and method of attitude determination by pulse beacon and extremely low cost inertial measuring unit. A pulse beacon is used to generate a plurality of pulses detected by a detector or receiver located on the rear of a projectile such that direction of arrival can be determined. A synchronized clock proved for velocity and range information. Altitude can also be determined and may use an altimeter or the like. The use of a low cost IMU is possible with internal calibration by the system. Real-time attitude information provides for correction for crosswind and other drift enabling the system to have less down range dispersion.

Abstract: A system for classifying objects detected in shearographic images identifying via a derivative peaks method, process, or algorithm is accomplished with a CNN (CNN). The system utilized training techniques of the CNN to classify objects as threats or non-threats. The system utilizes extracted clips from the shearographic image that contain the presence of an object so that the extracted clip containing the object is/are evaluated by the CNN to classify the object on or below a surface that has been insonified or otherwise stimulated to generate the shearographic image.

Abstract: An optical seeker assembly having an optical detector located within the wing or canards of a precision guided munition. The optical seeker provides on-wing processing that generates low bandwidth detection data that can be easily transferred to a primary CPU located within the main body or fuselage of the precision guided munition. The on-wing processing reduces or eliminates the need for optical fibers extending between an optical wedge and an optical detector to reduce the likelihood of optical fibers from impeding in the mechanical deployment of the wing and reduces losses. The reduction or elimination of optical fibers between the optical wedge and the optical detector further enables the optical detection assembly to have a higher pixel ratio or transmitting raw data between the wedge and the detector by sending sampled detection data across a low bandwidth link to a CPU in the main body.

Abstract: A system for eliminating backlash associated with a precision guided projectile is provided. The system includes a canard assembly including at least one canard that is moveable, a rotation assembly operably engaged with the at least one canard, an input shaft of the rotation assembly, an output shaft of the rotation assembly operably engaged with the input shaft and operably engaged with the at least one canard of the canard assembly, a mechanical ground, an anti-backlash mechanism operably engaged with the output shaft and operably engaged with the mechanical ground, and a bias torque of the anti-backlash mechanism applied to the output shaft. The anti-backlash mechanism eliminates the backlash between the input shaft and the output shaft.

Abstract: A transistor amplifier includes at least one differential pair of transistors and a plurality of transformers having a primary winding and a tapped secondary winding. The secondary winding is connected across emitters or sources of each transistor pair. The tap of each secondary has a current source. The primary windings of the plurality of transformers are connected in series. The transistor bases or gates are alternating current (AC) grounded. The collector or drain terminal pairs are connected in parallel. The transistor amplifier exhibits improved input impedance and improved linearity.

Abstract: A device for phase adjustment preset for an N-path filter comprising a logic block; a ring divider array creating a local oscillator drive for a mixer; the ring divider array comprising: a plurality of registers, each comprising: inputs S, R, D, and clock, and output Q; the plurality of registers comprising at least: a first register; a second register; and an Nth register; a preset control word; wherein the preset control word is applied to the logic block, the logic block providing input to each of the S and the R inputs of each the register; whereby a desired starting phase of the divider is controlled. A method includes defining a desired starting conditions; determining a control word from desired starting conditions; applying control word to logic block; applying a reset signal to logic block; and outputting values for each of S and R to each register.

Abstract: A system and method for state estimation in spinning projectiles is provided. The state estimation is based, at least in part, on magnetic sensor data, angular velocity data, and correction terms applied to the magnetic sensor data and the angular velocity data. The system and method for state estimation in spinning projectiles estimates roll angles and roll rates of the spinning projectiles. The roll angle and roll rate estimates allow steering commands to be applied to steer the spinning projectiles in the proper direction.

Abstract: An electronic warfare asset management system allows for pre-mission planning and ranking of emitter targets within a theater of operations while further allowing real-time adjustments to the emitter rankings. The asset management system may further evaluate and optimize asset architecture to allow multiple assets to work in parallel to increase the probability of intercept for any specific target emitter.

Abstract: The system and method for using morpho photonic structures to form small, lightweight imagers for use with SWIR, MWIR and LWIR. In some cases, the morpho photonic structure imagers are used in googles. The morpho photonic structure imagers have a frame rate ranging from 100 Hz to 200 Hz. In some cases, using a cluster of short wave infrared, mid wave infrared, and long wave infrared sensors to form a multi-spectral image is used to scan for chemical fingerprints.

Abstract: A nonplanar metamaterial polarizer includes: a substrate including dielectric material transmissive to electromagnetic radiation and having a nonplanar shape; a first conductive pattern on a first side of the substrate; and a second conductive pattern on a second side of the substrate. The first and second conductive patterns are configured to alter the polarization of the electromagnetic radiation as it transmits through the substrate. In some cases, the first and second conductive patterns include split-ring resonators, and the nonplanar shape is a cylinder. An antenna system includes the nonplanar metamaterial polarizer and an antenna inside or adjacent to the nonplanar metamaterial polarizer and configured to transmit or receive the electromagnetic radiation through the nonplanar metamaterial polarizer while the nonplanar metamaterial polarizer alters the polarization of the transmitted or received electromagnetic radiation.

Abstract: The system and method of detecting targets using a camera comprising narrow band filters in a compact pixel cluster arrangement. In some cases, the target is a chemical target. In some cases, the target is a naval target and the processing of the data provides extent, shape, direction and other characteristics that can provide details about the type of naval target even in dark or low light conditions.

Abstract: A multi-user system to simultaneously perform operations such as communication, RADAR, Light Detection and Ranging (LIDAR) and Relative Navigation (RELNAV). The techniques according to an embodiment includes generating a Fourier based orthogonal chirp sequence of length P, a prime number greater than the number of users targeted for communication. The orthogonal chirp sequence is based on an identifier, in the range of one to P?1, associated with one of the targeted users. The method further includes using the orthogonal chirp sequence to generate a spread user signal based on a message directed to the one targeted users. The method further includes generating a sequence of training pulses for insertion into the spread user signal to facilitate reception of the signal. The method further includes transmitting and receiving a reflection of the spread user signal from one of the targeted users, the reflection used to detect and range the user.

Abstract: A synthetic crystal oscillator enables a conventional crystal to be replaced with purely active electronic elements. Stability and performance characteristics are shown to be comparable-to-superior to a conventional crystal oscillator with side-by-side simulations. The synthetic crystal oscillator with purely active electronic elements offers cost, miniaturization and performance benefits. In some examples, the purely active electronic elements include an RLC circuit generate multiple stable concentric oscillations associated with nonlinear resonance used as an oscillator without a conventional crystalline structure coupled to the electrical circuit.

Abstract: Techniques are disclosed for multi-hop security amplification. The techniques disclosed provide multi-hop security amplification by applying a secret sharing scheme to data as the data is routed within a network to an intended recipient device. In an embodiment, a sending device divides the data into shares based on a secret sharing scheme, and sends the shares to respective network nodes in a network. These network nodes then divide their respective shares into lower-level shares based on the secret sharing scheme, and route the lower-level shares to downstream network nodes for further routing to the intended recipient device. The intended recipient device receives some or all of the lower-level shares and reconstructs the data from the received lower-level shares. In an embodiment, the secret sharing scheme is a threshold-based secret sharing scheme, such as Shamir's secret sharing scheme.

Abstract: A laser pointing apparatus and a method of calibration therefor utilizing a precision machined, highly reflective alignment cube to precisely calibrate the laser pointing system is provided. The calibration method can allow the calculation of the position of a transmitted beam after it leaves an azimuth mirror to high degree of accuracy over large distances.

Abstract: Techniques are provided for geolocation of a radar emitting source. A methodology implementing the techniques according to an embodiment includes calculating time difference of arrival (TDOAs) of ground emitter radar pulses, within a dwell period, between two long baseline interferometer (LBI) antennas. The TDOA calculations are based on a precision estimate of the time of arrival of the radar pulses. The method further includes calculating an LBI phase wrap disambiguation factor based on (1) the TDOAs, (2) an average of frequencies of the radar pulses within the dwell period, and (3) an average of phase shifts of the radar pulses between the LBI antennas within the dwell period. The method further includes mapping a curve of points onto the surface of the earth based on an LBI cone angle calculation employing the LBI phase wrap disambiguation factor. The curve of points is associated with a geolocation of the ground emitter.

Abstract: A cybersecurity system and method utilizing SOUND reputation, where a set of reputations are associated with each actor on a network. The actors on a network may be users, hosts, applications, and the like. The associated reputations are aggregated and updated as new information about an actor's activity is reported according to a defined and modifiable protocol, or policy. The actor's activity may be reported by one or more threat sensors. The effect of a particular misbehavior can be tuned to match the needs of the specific network. When a bad actor's reputation sinks too low, the system can take whatever action is appropriate: reports can be sent, an operator can be notified, the offender can be cut off from the network, or the like.

Abstract: A system and method of verifying hardware that includes software configured to control its operation, the method comprising providing an abstracted version of hardware to be tested; verifying the functionality of the hardware; writing test bench software using physical-layer routines; drafting hybrid verification intellectual property modules, wherein the hybrid verification intellectual property modules comprise both synthesizable and non-synthesizable code and are configured to stimulate the abstracted hardware and to test software anticipated to be used in connection therewith; and creating network-level routines that can be passed to physical-layer routines as part of a hardware verification process.

Abstract: A system for transmitting a DMR disable signal to a target mobile radio device is provided. The system includes an antenna configured to transmit and receive messages and a base station comprising at least one computing device communicatively coupled to the antenna. The at least one computing device is configured to generate a first message to be transmitted to a target mobile radio device, the first message comprising a disable signal selected from a list of non-standard operational parameters that can be implemented by the target mobile radio device, cause transmission of the first message via the antenna to the target mobile radio device, and monitor incoming messages received via the antenna for an acknowledgement message from the target mobile radio device that the target mobile radio device has been disabled.