Abstract: A system is disclosed that includes an electronic package. The electronic package includes a package base couplable to a host substrate, and a package lid mechanically coupled to the package base that includes one or more transparent lid areas, configured to permit transmission of light. The electronic package further includes a thermal spreader bonded on a first side to a first side of the package lid. The thermal spreader includes one or more transparent spreader areas that are configured to allow transmission of light through the thermal spreader. The electronic package further includes one or more integrated circuits bonded to a second side of the thermal spreader that communicatively coupled to the host substrate. The electronic package further includes one or more optical paths that include at least one of the one or more transparent spreader areas configured adjacent to at least one of the transparent lid areas.

Abstract: A navigation satellite receiver system is disclosed. The system includes a host receiver. The host receiver includes a user interface, a module connector, and a controller coupled to the user interface and the module connector. The system further includes a receiver module operably coupled to the receiver module. The receiver module includes an antenna configured to receive one or more satellite navigation signal. The receiver module further includes an interface receiver card operably coupled to the module antenna. The interface receiver card is configured to process the one or more navigation signals. The receiver module further includes a host connector communicatively coupled to the interface receiver card and is configured to couple to the module connector. The module includes a housing configured to receive and protect the interface receiver card, the antenna, and the host connector.

Abstract: A circuit board is disclosed that has a pre-warming function. The circuit board includes a substrate and one or more conductive paths embedded in the substrate. The one or more electrically conductive paths include a logic control circuit containing a heating element and a temperature-sensitive element configured to control the heating element and deliver an input when the temperature-sensitive element has reached a threshold temperature. The one or more electrically conductive paths further includes a heater power circuit configured to deliver power to the logic control circuit. The one or more electrically conductive paths further includes an operational power circuit configured to switch off power to the heater power circuit and switch on power to the operational power circuit upon a delivery of the input from the logic control circuit.

Abstract: A system and method for cooperative aerial vehicle collision avoidance provides an ESA-based sensor network capable of high-resolution threat proximity measurements and cooperative and non-cooperative collision avoidance in the full spherical volume surrounding an aerial vehicle. The system incorporates a plurality of ESA panels onto the airframe where the conical scan volumes overlap leaving no gaps in spherical proximity coverage. The resulting received data is stitched together between the neighboring ESA panels and used to determine a position and vector for each threat aerial vehicle within range. The data is transmitted through a cooperative collision avoidance network to nearby aerial vehicles, and presented to the autopilot and flight crew to increase situational awareness. The system determines a maneuver for the aerial vehicle and a maneuver for the threat aerial vehicle based on relative maneuvering capabilities to maintain desired separation.

Abstract: A system may include an array of interconnected memristors. Each memristor may include a first electrode, a second electrode, and a memristor material positioned between the first electrode and the second electrode. The system may further include a controller communicatively coupled to the array of interconnected memristors. The controller may be configured to tune the array of interconnected memristors.

Abstract: A system may include a software-defined radio (SDR) configured to communicate over multiple channels by using a beyond line of sight (BLOS) waveform. The SDR may be configured to transmit encrypted communications over some or all of the multiple channels to a satellite and on to at least one radio access node (RAN). The SDR may be configured to receive encrypted communications over some or all of the multiple channels from the at least one RAN via the satellite. At least one of the multiple channels may use a spreading factor greater than 256. The SDR may be configured to simultaneously transmit and receive encrypted communications over the multiple channels.

Abstract: Systems and methods for custom photolithography masking via a precision dispense apparatus and process are disclosed. Methods include creating a toolpath instruction for depositing opaque onto a substrate, programming a precision dispense apparatus to execute the created toolpath instruction, and causing the precision dispense tool to deposit opaque material onto the substrate to form the photomask. The substrate may be an optically transparent plate or film or may be an electronic substrate where the opaque material is deposited directly onto a photoresist coating. Capabilities of the systems and methods disclosed herein extend to 3D substrates and custom photolithography masking, among others.

Abstract: A global navigation satellite system (GNSS) receiver can include a code generator, a signal correlator circuit, and a processor. The code generator can generate samples of a plurality of ranging codes associated with corresponding GNSS transmitters. The signal correlator circuit can receive, according to a first clock rate, samples of a signal from a GNSS transmitter, and update, according to a second clock rate and a time division multiplexing scheme, cross-correlation values indicative of cross-correlations between the signal and a subset of the plurality of ranging codes. The second clock rate can be equal to at least multiple times the first clock rate. The signal correlator circuit can determine final results of the cross-correlation values based on the updating of the cross-correlation values, and a processor can identify the GNSS transmitter among the plurality of GNSS transmitters based on the final results of the cross correlation values.

Abstract: An antenna array includes a printed circuit board including printed circuit board elements circumferentially disposed at locations on a surface of the printed circuit board. The printed circuit board elements are disposed in opposing pairs at diametrically opposite locations and include a first member and a second member. The first member intersects the second member which is curved. The antenna array can be an ultra-ultra wide band (UUWB) wavelength scaled array (WSA) tightly coupled dipole array (TCDA) active electronically scanned array (AESA) aperture.

Abstract: An electronic assembly is disclosed. The electronic assembly includes a primary die, comprising a bulk layer, an integrated circuitry layer, a metal layer, a first redistribution layer, and a first attachment layer. The primary die further includes at least one aligned through-hole in the bulk layer and integrated circuitry layer. The electronic assembly further includes a secondary die physically coupled to the primary die via a second attachment layer. The electronic assembly further includes an interconnect header that includes plurality of interconnect filaments configured to electrically couple the first redistribution layer to one of the at least one metal layer via the at least one bulk layer through-hole and the at least one integrated circuitry through-hole. The interconnect header is generated by applying an electrically conductive filaments on a plurality of wafers, thinning the wafers, stacking and attaching the wafers into a wafer stack, and dicing the wafer stack.

Abstract: An Aircraft Communication and Addressing Reporting System (ACARS) compatible transmitter is disclosed. In embodiments, the transmitter receives outbound (e.g., downlink or uplink) ACARS messages from aircraft end systems and compresses the header/trailer (H/T) and/or text payloads of ACARS blocks (e.g., text messages) or ACARS acknowledgements (ACK)) prior to transmission. For example, the transmitter compresses ACARS blocks by removing fixed markers and encoding variable fields. The transmitter parses incoming text payloads to determine their character distribution and selects a radix alphabet including the ASCII characters used in the text payload.

Abstract: A system with an acoustic filter array for analog processing of radio signals above 8 GHz includes a receiver and a downconverter to down-convert an incoming signal into an intermediate frequency range (IF). Downconverter includes suppression of local oscillator image. An active manifold splits the IF signal into separate parallel feeds into individual acoustic filter elements in an acoustic filter array. Acoustic filter array provides individually channelized IF outputs. Each IF manifold feed and corresponding acoustic filter output channel is associated with an analog-to-digital converter or system switch.

Abstract: A shadow mask for a substrate is disclosed. The shadow mask includes a frame circumscribing a surface of the substrate. The shadow mask further includes one or more island mask features within the surface of the substrate, configured to block a deposition of a material onto at least a portion of the surface of the substrate. The shadow mask further includes one or more crossbeams coupling one or more island mask features to the frame at an elevation relative to the substrate. The one or more cross beams are configured to permit deposition of a material onto the substrate surface underneath the one or more crossbeams. In some instances, the shadow mask is manufactured through an additive manufacturing process.

Abstract: Cellular communications, such as 5G cellular, may be a primary link between cell phones and a base station. Such cellular communications may be desirable, due to a high link rate. When the cellular communications are denied, a tactical waveform may be used to bridge communications between the cell phones and the base station. The tactical waveform may be transmitted between tactical radios coupled with the cell phones. The tactical radios may include an application layer coupled with an application layer of the cell phone, such that an application-specific integrated circuit (ASIC) of the cell phone may remain unchanged.

Abstract: A baggage labeling system is disclosed. The baggage labeling system includes a baggage labeling module. The baggage labeling module includes a housing, a workstation interface, a controller communicatively coupled to the workstation interface. a baggage sensor communicatively coupled to the controller, a conveyor system communicatively coupled to the controller and configured to move a baggage item. The baggage labeling module includes a printing assembly communicatively coupled to the controller. The printing assembly includes a printer head configured to print a label directly onto the baggage item and a positioning arm mechanically coupled to the printer head configured to rotate the positioning arm relative to at least one plane, or translate the positioning arm relative to a first axis. The baggage labeling system further includes a workstation communicatively coupled to the baggage labeling module.

Abstract: A multi node radar network system is disclosed. The system includes a base node configured to transmit a directional 5G RF signal, a request node configured to request the base node to transmit the 5G RF signal, and one or more listening nodes configured to receive reflections of the 5G RF signal off of a target object. The system further includes a computation module configured to determine the location of the target object from data received from at least one of the base node, the request node, or the one or more listening nodes. A method for determining the position of a target object in a multi node radar system is disclosed.

Abstract: A magnetron filter board for a microwave oven is disclosed. In embodiments, the magnetron filter board includes a printed circuit board with a first trace and a second trace on the printed circuit board. The first trace includes a first end for connecting to a magnetron and a second end for connecting to a power supply unit. The second trace also includes a first end for connecting to the magnetron and a second end for connecting to the power supply unit. The first trace and the second trace can be configured as a radio frequency band-gap filter that mitigates noise associated with the connection between the magnetron and the power supply unit.

Abstract: A system may include a display and a processor communicatively coupled to the display. The processor may be configured to: generate a synthetic vision system (SVS) taxi mode exocentric view of an aircraft when the aircraft is performing taxi operations and when the aircraft is on ground, wherein the SVS taxi mode exocentric view includes at least one range ring centered around a depiction of the aircraft, each of the at least one range ring providing a visual indication of a given range between the aircraft and a given range ring; and output, to the display, the SVS taxi mode exocentric view. The display may be configured to: display the SVS taxi mode exocentric view.

Abstract: A system and method. The system may include a display, a lens having distortion, an image generator, and a processor. The lens may be configured to focus light received from an environment. The image generator may be configured to receive the light from the lens and output a stream of images as image data, wherein each of the stream of images is distorted. The processor may be configured to: receive the image data from the image generator; detect a point source object in the stream of images of the image data; enhance the point source object in the stream of images of the image data; undistort the stream of images of the image data having an enhanced point source object; and output a stream of undistorted images as undistorted image data to the display.

Abstract: A method for identifying and correcting fixed pattern noise includes capturing a focused image and an unfocused image via a variable focus lens. Fixed pattern noise represented in the unfocused image is filtered from the focused image. The unfocused image represents a low-pass filtered component of the focused image; subtracting the unfocused image from the focused image results in a high-pass and fixed pattern noise filtered focused image. Image capture and focus of the variable focus lens are synchronized to remove transitional frames from the image stream.