Abstract: A source table organized into a set of batch units is accessed. The source table comprises a column of data corresponding to a semi-structured data type. One or more indexing transformations for an object in the column are generated. The generating of the one or more indexing transformation includes converting the object to one or more stored data types. A pruning index is generated for the source table based in part on the one or more indexing transformations. The pruning index comprises a set of filters that index distinct values in each column of the source table, and each filter corresponds to a batch unit in the set of batch units. The pruning index is stored in a database with an association with the source table.

Abstract: An apparatus that floats at the surface of a body of water over which waves pass, causing a nominally vertical axis of the apparatus to tilt away from an axis normal to the resting surface of the body of water. Tilting allows a fluid to flow through a channel that in an un-tilted apparatus would require the gravitational potential energy of the fluid to increase (i.e., to flow uphill), but, because of the tilt allows the fluid to flow through the channel in a downhill direction. Successive wave-driven tilts of the apparatus incrementally raise water to a head from which a portion of its gravitational potential energy can be converted to electrical power by causing the water to return to a lower level by flowing through a water turbine, or through some other apparatus that performs a useful function when supplied with a flow of high-pressure water.

Abstract: Determining a boundary of a spoofing region identifying spoofed satellite signals may comprise determining, based on a first set of Global Navigation Satellite System (GNSS) signals received at a GNSS receiver over a first period of time, at least one GNSS signal corresponding to a GNSS satellite has experienced a first transition, wherein the first transition comprises a transition from a not spoofed state in which the at least one GNSS signal is not determined to be spoofed to a spoofed state in which the at least one GNSS signal is determined to be spoofed, or a transition from the spoofed state to the not spoofed state. Additionally, a first location corresponding to a location at which the GNSS receiver was located during the first transition may be determined.

Abstract: The invention relates to a method of assembling a biosensor device comprising two or more biosensor units, wherein each unit comprises one or more biosensors comprising one or more carbon nanotubes (CNTs) coated with nucleic acid and one or more sensor molecules coupled to the nucleic acid, wherein each one of the one or more sensor molecules is capable of binding to a target molecule in a sample. Each biosensor unit is capable of detecting a different target molecule in a sample, and each unit comprises one or more biosensors each capable of detecting the same target molecule. The invention further relates to biosensor devices and methods for detecting target molecules in a sample using the same.

Abstract: The present disclosure relates to a kinetic inductance parametric amplifier that comprises an input port arranged to receive a pump tone, a DC bias and input signal; an output port arranged to provide an amplified version of the input signal; a tunable stepped-impedance assembly arranged to attenuate and/or filter predetermined frequency bands; and a high kinetic inductance line. The tunable stepped-impedance assembly is tuned at a frequency that allows for the amplifier to resonate at a predetermined frequency and a pump tone with a frequency higher than the input signal and a DC biasing signal to be transmitted to the high kinetic inductance line.

Abstract: A power system includes a base, two magnetic bearings mounted on the base, a shaft rotatably mounted on the two magnetic bearings, a flywheel mounted on the shaft, a motor connected with the flywheel, an uninterrupted power supply electrically connected with the motor, a utility power electrically connected with the uninterrupted power supply, a coupling connected with the shaft, a speed change device connected with the coupling, a generating device connected with the speed change device, a load electrically connected with the generating device, a recharge rectifier electrically connected with the uninterrupted power supply, and a reactor electrically connected with the recharge rectifier and the generating device. Thus, the enlarged torque of the flywheel provides the inertia power to enhance the generating power of the generating device.

Abstract: Systems, methods, apparatuses, and computer program products for using angle error groups (AEGs) to improve angle of arrival (AoA) positioning may be provided. For example, for a specific received signal, one or more receiving antenna elements that can be considered to have almost the same incident angle within a certain margin may be defined as a group. The group of receive (Rx) antenna elements (or a group of Rx antennas) may be defined as an AEG. The configuration of an AEG for each TRP and the AEG may be used for AoA measurement and reporting. The gNB or transmit receive point (TRP) may perform AoA measurements and may determine an AoA for the AEGs.

Abstract: Systems and methods including variable power amplifier bias impedance are disclosed. In one aspect, there is provided a power amplifier system including a bias circuit configured to receive a bias voltage and generate a bias signal and a power amplifier stage configured to receive an input radio frequency (RF) signal and generate an output RF signal. The power amplifier system may also include a bias impedance component operatively coupled between the bias circuit and the power amplifier stage. The bias impedance is component configured to receive a control signal and adjust an impedance value of the bias impedance component in response to the control signal.

Abstract: A method includes obtaining signal information based on wireless signals received from an external electronic device via a first antenna pair and a second antenna pair. The first and second antenna pairs are aligned along different axes. The signal information includes channel information, range information, a first angle of arrival (AoA) based on the first antenna pair, and a second AoA based on the second antenna pair. The method also includes generating an initial prediction of a presence of the external electronic device relative to a field of view (FoV) of the electronic device. The method further includes performing a smoothing operation on the range information and the first and second AoA, the smoothing operation generating a predicted location of the external electronic device relative to the FoV of the electronic device. Additionally, the method includes generating, based on the smoothing operation, confidence values associated with the predicted location.

Abstract: Techniques for incorporating blended Global Navigation Satellite System (GNSS) and Inertial Navigation System (INS) integrity monitoring information as a connected network database are described. Information relating to the integrity of known instances of GNSS disturbances can be stored and accessed by users. The information can include data regarding the integrity of GNSS/INS position solutions generated from vehicles a priori, such as the location, time, and any known causes of the GNSS disturbance. The database can be located on a vehicle and/or on a remote server that can be shared to other users with access to the database. In some embodiments, access can be restricted to certain users if the data stored is confidential.

Abstract: Systems and methods provide identification of a first configuration specifying a first column of a first data source, acquisition, based on the first configuration, of a first sequence of values stored in consecutive rows of the first column, and storage of the first sequence of values in a storage device in association with an identifier of the first data source and the first column.

Abstract: A particle matter analysis device, an analysis method and a manufacturing method are disclosed.

Abstract: A system for use in restoring data processing capabilities in the event of an interruption. System including a user catalog program that when executed by a processor configures the system to store indexes of data utilized by the system, a system management facility (SMF) program that when executed by the processor configures the system to create SMF audit records that track the catalog activity as SMF data, and a virtual catalog program that when executed by the processor configures the system to intercept portions of the SMF data over a timeline. The portions correspond to the creation, deletion and modification of the data files, and catalog the intercepted portions of SMF data over the timeline.

Abstract: A computer-implemented method allows initiating activation in augmented reality of an un-activated physical token. The method includes displaying an augmented reality version of an environment including the physical token. Displaying the augmented reality version of the environment includes capturing an image of a portion of the environment including the physical token; presenting a display of augmented reality corresponding to the portion of the environment by compositing the image of the portion of the environment with a graphical, interactive user interface control, the user interface control positioned in a defined position in augmented reality relative to the physical token. The method further includes, responsive to receipt of input corresponding to an interaction with the user interface control, initiating activation of the physical token. Related computer systems and computer-readable media are also disclosed.

Abstract: An apparatus including a body and a wireless communication system. The body partially encloses a camera. The wireless communication system is integrated within or coupled to the body of the apparatus. The wireless communication system includes: a sensor, an antenna, a switching unit, a wireless communication circuit, and a controller. The sensor is configured to determine an orientation of the wireless communication system. The antenna is configured to transmit or receive wireless signals and configured to have an antenna gain and polarization. The switching unit is configured to change a configuration of the antenna gain and polarization. The wireless communication circuit is electrically coupled to the antenna to transmit or receive the wireless signals. The sensor determines the orientation of the wireless communication system related to an external wireless communication system and the switching unit changes the configuration of the antenna gain and polarization.

Abstract: According to aspects of the disclosure, a sensing system includes at least one sensor configured to provide an output signal indicative of a sensed property, an interface configured to be coupled to a computing device, and a processor coupled to the interface, the processor being configured to provide, to the computing device via the interface, a first Transducer Electronic Data Sheet (TEDS) template indicative of a first variable of the sensed property, and provide, to the computing device via the interface, a second TEDS template indicative of a second variable of the sensed property.

Abstract: A transimpedance amplifier may include a voltage-controlled operational amplifier having a non-inverting input connected to ground, an inverting input receiving a current signal to be amplified, an output coupled to the inverting input via a coupling resistor, and a power-down input (PWDN input) activated upon receipt of at least one power-down signal (PWDN) such that at least one internal current source is thereupon deactivated.

Abstract: A system for identifying information in high dimensional, low latency streaming data having dynamically evolving data patterns. The system processes, continuously and in real-time, the streaming data. Processing includes filtering the data based on event data to identify diagnostic data points by comparing the event data with an experimental design matrix and performing a modeling operation using the identified diagnostic data points in order to identify efficiently any current and emerging patterns of relationships between at least one outcome variable and predictor variables. The at least one a-priori, pre-designed experimental design matrix is generated based on combinations of the predictor variables and at least one outcome variable. The experimental design matrix is also generated based on at least one of main effects, limitations, constraints, and interaction effects of the predictor variables and combinations.

Abstract: Locating a vehicle to be located (VP), which has at least a GNSS receiver, via a location system including at least a computer by: receiving a message that includes at least a GNSS signal and that is transmitted by the vehicle to be located (VP), receiving a message that is transmitted by at least one located vehicle (VL), which has a GNSS receiver, the message including a location of the vehicle, the location being associated with a high confidence level, and a GNSS signal generated by the GNSS receiver of the vehicle, determining a location of the vehicle to be located, on the basis of the location of at least one located vehicle (VL), the GNSS signal from the located vehicle, and the GNSS signal from the vehicle to be located, and transmitting the determined location to the vehicle to be located (VP).

Abstract: One illustrative high bandwidth transimpedance amplifier includes a distributed amplifier having multiple transistors that receive a propagating input signal at respective nodes of an input signal line and drive corresponding nodes of an amplified signal line that propagates an amplified signal to an output voltage buffer. A feedback impedance couples the output voltage to a feedback node in the distributed amplifier, making the output voltage proportional to the input signal's current. An illustrative method includes: propagating an input signal current along an input signal line of a distributed amplifier, the distributed amplifier responsively propagating an amplified signal along an amplified signal line; buffering the amplified signal from a final node of the amplified signal line to produce an output voltage signal; and using the output voltage signal to draw the input signal current from a final node of the input signal line via a feedback impedance.