Abstract: A receiver system for demodulating a high-entropy continuous phase modulation (HE-CPM) signal is disclosed. A plurality of complex multipliers is configured to receive the synchronized HE-CPM signal. Each of the complex multipliers removes a phase associated with a respective one of a plurality of inter-symbol interference (ISI) hypotheses and generates a respective one of a plurality of complex multiplier outputs. Each ISI hypothesis includes a previous chip hypothesis corresponding to a binary value for a previous chip, and a next chip hypothesis corresponding to a binary value for a next chip. A summer is configured to combine real parts of the plurality of complex multiplier outputs to generate a soft decision for a current chip of the HE-CPM signal.

Abstract: A chip-scale gyrometric apparatus is disclosed. In embodiments, the chip-scale gyrometric apparatus includes a dielectric substrate and an antenna element attached thereto for receiving an inbound signal having an initial phase. The apparatus includes a splitter for splitting the inbound signal into two equivalent signals, and two coils connected to the splitter. The first coil carries one of the split signals in a clockwise (CW) path relative to a rotational axis, while the second coil carries the other split signal in a counterclockwise (CCW) path relative to the same axis. An integrated circuit (IC) on the substrate and connected to the first and second coils measures a phase shift between the first and second signals (e.g., deviation from the initial phase) based on their respective CW and CCW paths and determines, based on the measured phase shift, a degree of rotation relative to the common rotational axis.

Abstract: A system and method for serializing output includes shift registers that sample a deserialized input signal at a relatively slow clock speed. Data latency between the input and output signals is controllable to a higher granularity than the input signal with bit positions corresponding to the high-speed input signal. A predictive learning algorithm receives data latency values from the input signal and corresponding data latency values from the output signal to correct and control output latency, potentially within one high speed clock cycle.

Abstract: An imaging system for an aircraft is disclosed. The imaging system comprises one or more image sensors configured to image a surrounding environment of the aircraft, a light source configured to emit light, a mask including one or more prisms configured to direct the light, and one or more pinholes configured pass the light directed from the one or more prisms, and a controller communicatively coupled to the one or more image sensors. The controller is configured to: receive an image of the surrounding environment of the aircraft from the one or more image sensors, wherein the image includes an artifact based on the light passed by the one or more pinholes; determine centroid data and extent data of the artifact in the image; and determine an orientation of the artifact in the image with respect to a calibration artifact using the centroid data and the extent data.

Abstract: The invention relates to a flywheel for stabilising the position of a spacecraft, comprising a hub means (1) for fastening the flywheel, a flywheel ring (4), which externally surrounds the hub means (1) circumferentially at a distance, a support means (3) for supporting the flywheel ring (4) on the hub means (1), and a vibration damping device (6, 8) having a tuned mass damper means (8) which is axially movable back and forth relative to the flywheel ring with respect to a rotation axis of the flywheel.

Abstract: A system and method. The system may include a head-up display (HUD). The HUD may include a positionable combiner optical element (COE) and a combiner alignment detector (CAD) configured to conform images displayed on the positionable COE with a view through the positionable COE. The CAD may include a mirror that moves with the positionable COE, an infrared (IR) emitter configured to emit IR pulses onto the mirror with a duty cycle of less than 1% such that an average time-based radiance of the IR pulses is compatible with a night vision imaging system (NVIS), and an IR detector configured to receive the IR pulses reflected off of the mirror.

Abstract: A high-frequency beyond line of sight ad-hoc communication system is disclosed. In embodiments, the system includes an originating node. The originating node is configured to transmit a transmission. In, the system includes a destination node. The destination node is configured to receive the transmission using one or more antennas. In, the system includes one or more relay nodes, which are configured to relay the transmission from the operating mode to the destination mode in a time diverse manner. The relay nodes further comprise a controller, configured to facilitate high-frequency beyond line of sight communication between the originating node and the destination node, wherein the transmission is carried in accordance with a TDMA based waveform that supports frames and time slots. In embodiments, the one or more relay nodes are further configured to relay the transmission from the originating mode to the destination mode in a frequency diverse manner.

Abstract: A determination method for determining at least one region of interest in at least one operational geographical zone. The operational geographical zone determined relative to a sensor to observe and measure the radial speed of an object traveling in a region of interest. The method may include steps simulating the position of the sensor in the region of interest at a determined position and orientation; determining at least one first zone of a region of interest; and determining a second zone of the region of interest, the second zone constituting a coverage zone of the sensor in which an object travelling in the region is observable while accounting for at least the position of the object relative to the sensor. One operational geographic zone is defined by taking account the intersection between the first and second zones.

Abstract: A system and method for sensor-enhanced real-time automatic pilot report (PIREP) generation is disclosed. In embodiments, the PIREP generation system includes control processors in communication with a variety of aircraft-based sensors. Diverse sensors collect atmospheric data of meteorological conditions in the vicinity of the aircraft and/or its flight path. The PIREP generating system analyzes the collected datasets and determines whether the collected datasets meet criteria for reportable weather conditions. Reportable data are displayed to the pilot via an interactive display device whereby the pilot may accept, abort (e.g., opt out), or augment the data with additional information provided by the pilot. If the pilot aborts the PIREP, no further action is taken. Otherwise (e.g., if the pilot accepts, augments, or takes no action), a PIREP is automatically generated based on the displayed (or amended) reportable data. The generated PIREP is automatically transmitted to ground control.

Abstract: A rendering system includes a cloud component and a local edge component. The cloud component receives or retrieves legacy data from various sources and preprocesses the data into a format. The local edge component receives the preprocessed data from the cloud component and performs local rendering steps necessary to place the preprocessed data into a form suitable for a game engine. The game engine utilizes the preprocessed data to render an image stream. The system is embodied in a flight simulator.

Abstract: A system and method for multimode graphic visualization of wireless link parameters is disclosed. In embodiments, the system receives sensed or simulated network performance data relevant to wireless link connections (e.g., communications, navigation, ranging) between network nodes or platforms. The system derives from the network performance data link performance parameters for each wireless link between a first platform or node and other platforms of the network, e.g., bandwidths, waveform types, success/failure indicators, link non-reception or jamming statuses, low probability of intercept (LPI) signal detection/interception statuses, and negative link margins. The system generates graphic visualizations of the network nodes, the wireless links therebetween, and selected performance parameters for each link in one or more selectable performance modes for presentation to a user/operator via a display system; the user/operator may control the presentation mode or displayed elements via control input.

Abstract: A simulation environment is disclosed. A simulator generates a simulation model corresponding to a sequence of simulation cycles, each cycle including initial conditions, propagatable states, and a level of simulation fidelity. A fidelity optimizer monitors states and conditions through each cycle, changing the fidelity level for the next cycle based on predetermined factors (e.g., a new flight segment). The fidelity optimizer may dynamically increase or decrease the fidelity level for the next cycle (or for one or more nodes within a group) in response to, or in anticipation of, a state change. The fidelity optimizer may sample several corresponding simulation cycles of varying fidelity levels to compare the effects or results, and determine whether the result is dependent on the fidelity level.

Abstract: An electrical device with thermally controlled performance is disclosed. The electrical device includes at least one die with a plurality of device components disposed upon or at least partially embedded within the die. The electrical device further includes a plurality of signal paths interconnecting the plurality of device components. The electrical device further includes a plurality of temperature sensors disposed upon or at least partially embedded within the die. The temperature sensors are configured to detect thermal loads at respective portions of the die. The electrical device further includes at least one controller disposed upon or at least partially embedded within the die. The controller is configured to adjust one or more operating parameters for one or more of the device components based on the thermal loads detected by the temperature sensors.

Abstract: A smart network access point (SNAP) device is disclosed. In embodiments, the SNAP device includes trunk ports for accepting a network trunk cable (e.g., fiber optic trunk) and thereby connecting the SNAP device to an aircraft-based network of SNAP devices. The SNAP device includes switch ports for incorporating physical connections to mission systems (MS) or air vehicle systems (AVS) components and devices, providing a local smart point of presence (SPoP) throughout a physical subdivision (e.g., network district) of an aircraft. The SNAP device is configured for monitoring data exchanges between local MS/AVS components and the aircraft network. The SNAP device includes a cybersecurity module for connecting to local security components (e.g., data guards and multiple levels of security (MLS) encryption/decryption) or for providing built-in data guard and encryption/decryption services. The SNAP device includes power control components for managing power distribution to the connected local network components.

Abstract: An electromagnetic channel emulator system is disclosed. The system includes an electromagnetic switch matrix sub-system communicatively coupled to one or more systems under test and one or more simulation control layers. The system may include a high performance computing layer including one or more processing element nodes. The electromagnetic switch matrix sub-system may include one or more electromagnetic systems under test input/output layers and one or more high performance computing input/output layers. The one or more input/output layers may include one or more signal converters. The electromagnetic switch matrix sub-system may include one or more switches communicatively coupled to the one or more input/output layers and the high performance computing layer. The one or more switches may be configured to selectively position the one or more analog signals based on the received one or more simulation control layer signals.

Abstract: A system may include a first conductive plate configured at least to receive an input signal. The system may include a second conductive plate configured at least to output an output signal. The system may further include a memristor material positioned between the first conductive plate and the second conductive plate.

Abstract: A receiver apparatus and method for optimized decryption and despreading of a very low frequency (VLF) bitstream is disclosed. In embodiments, the receiver includes antenna elements for receiving a transmission security (TRANSEC) encoded bitstream associated with an uncertainty window size and a spread factor. The receiver includes cryptographic processors that, when the spread factor is sufficiently large, select key section numbers A and data section numbers B based on the window size and spread factor. The cryptographic processors generate an output sequence of correlation windows, each correlation window associated with a symbol of the bitstream, via pipelined sectional mirrored-key convolution based on a key section number A and data section number B chosen to optimize performance (e.g., processor performance, memory performance).

Abstract: A predictive maintenance system is disclosed. The system includes a network of analog and digital sensors, each sensor configured for measuring telemetry data associated with temperature levels, voltage levels, current levels, and other analog or digital parameters. The system includes microprocessors for receiving the (digitized) analog and digital telemetry data, tabulating and timestamping the raw telemetry datasets. The microprocessors compress the raw data and reduce its dimensionality by generating principal component sets from the raw data based on scalar parameters corresponding to machine learning algorithms stored to memory, the principal component sets capturing a majority of variances within the raw data. The principal component sets are organized into data packets including identifiers for the relevant algorithms. The data packets are transmitted via real time networks for either onboard storage or ground-based analysis.

Abstract: An apparatus for displaying an image, including: an input image node configured to provide at least a first and a second image modulated lights; and a holographic waveguide device configured to propagate the at least one of the first and second image modulated lights in at least a first direction. The holographic waveguide device includes: at least a first and second interspersed multiplicities of grating elements disposed in at least one layer, the first and second grating elements having respectively a first and a second prescriptions. The first and second multiplicity of grating elements are configured to deflect respectively the first and second image modulated lights out of the at least one layer into respectively a first and a second multiplicities of output rays forming respectively a first and second FOV tiles.

Abstract: A system and method for monitoring the status of a pixelated display defines one or more pixel locations or clusters of pixels to be dithered. A monitor determines if the specified pixels or clusters of pixels demonstrate dithering. Detection of the expected dithering indicates a functional display while failure to detect the dithering indicates a failed display. Brightness levels are monitored to detect a failure in brightness leveling. Brightness is monitored at the same locations.