Abstract: Attenuators are disclosed according to various aspects. In some aspects, an attenuator includes resistors coupled along a resistive path, wherein a first one of the resistors is coupled to an input of the attenuator, and shunt circuits, wherein each one of the shunt circuits is coupled between a respective node on the resistive path and an output of the attenuator. In other aspects, an attenuator includes routing circuits coupled in parallel between an input of the attenuator and an output of the attenuator, wherein each one of the routing circuits includes a respective series resistor and a respective series switch coupled in series between the input of the attenuator and the output of the attenuator, and a respective switchable resistor circuit coupled to a respective node between the respective series resistor and the respective series switch, wherein resistances of the series resistors of the routing circuits are binary weighted.

Abstract: Methods and apparatuses are provided for deaeration of a liquid. Liquid may be impinged onto an inclined baffle and forced through a first plurality of apertures that direct the liquid in one or more directions away from one or more outlets of a reservoir. The liquid may be passed through a second plurality of apertures. Flowing the liquid as described promotes a circuitous route of travel and provides a residence time inside of the reservoir that promotes release of entrained air.

Abstract: A method for capturing images of large target area using a single camera configured with an aerial vehicle (AV) for reconstructing a high-resolution image is disclosed including the steps of moving the AV over the area of interest along a straight path; capturing a first set of images of an area down below by pointing an optical axis of the camera towards a first side of the straight path such that the optical axis makes a first predefined angle with vertical; and capturing a second set of images of the area down below by pointing the optical axis of the camera towards a second side of the straight path such that the optical axis makes a second predefined angle with respect to the vertical. Side overlap between the first and second set of images is optimized to account for error in camera movement.

Abstract: Systems, apparatuses, methods, and computer program products are disclosed for determining robustness information for an NLP model. Modification rules, such as replacement rules and/or insertion rules, are used to generate instances of modified test data based on instances of test data that comprise words and have a syntax and a semantic meaning. The instances of test data and modified test data are provided to the NLP model and the output of the NLP model is analyzed to determine output changing instances of modified test data, which are instances of modified test data yielded output from the NLP model that is different and/or not similar to the output yielded from the NLP model for the corresponding instance of test data. Robustness information for the NLP model is determined based at least in part on the output changing instances of modified test data.

Abstract: Disclosed in some examples are methods, systems, and machine readable mediums which provide summaries of topics determined within a corpus of documents. These summaries may be used by customer service associates, analysts, or other users to quickly determine both topics discussed and contexts of those topics over a large corpus of text. For example, a corpus of documents may be related to customer complaints and the topics may be summarized to produce summaries such as “credit report update due to stolen identity.” These summarizations may be used to efficiently spot trends and issues.

Abstract: A computer-implemented method for handling inbound service requests analyzes content of the message to extract a set of features, and generating a feature vector based on the set of extracted features. A categorization metric for the feature vector is then determined, using a set of predetermined categorization vectors, wherein each predetermined categorization vector corresponds to a respective portal endpoint associated with one or more predefined ticket types and sub-types of an information technology service management system. In response to the categorization metric satisfying a comparison criteria with respect to one or more predetermined categorization vectors, a particular portal endpoint is selected. Content from the email message is then extracted. A new issue object request is then automatically generated in accordance with a particular object requirement set associated with the particular portal endpoint for submission to an issue tracking system to create a new issue object.

Abstract: The present disclosure relates to a system and method for executing safe-return of an Unmanned Aerial Vehicle (UAV) moving along a path having a plurality of communication waypoints in the event of a communication failure. In an aspect, the proposed method can include the steps of detecting, at the UAV, a communication failure; enabling the UAV to return to last healthy communication waypoint location; and based on status of the communication failure, enabling the UAV to return to its home location.

Abstract: Disclosed in some examples are methods, systems, and machine readable mediums which provide summaries of topics determined within a corpus of documents. These summaries may be used by customer service associates, analysts, or other users to quickly determine both topics discussed and contexts of those topics over a large corpus of text. For example, a corpus of documents may be related to customer complaints and the topics may be summarized to produce summaries such as “credit report update due to stolen identity.” These summarizations may be used to efficiently spot trends and issues.

Abstract: This disclosure provides systems, methods, and devices for wireless communications that support downconversion of signals with improved harmonic rejection. In a first aspect, an apparatus includes a first plurality of mixers with each mixer coupled to two oscillating signals that are 180 degrees apart in phase; a second plurality of mixers with each mixer coupled to two oscillating signals that are 180 degrees apart in phase, wherein a combined load of the first plurality of mixers and the second plurality of mixers on the plurality of oscillating signals is symmetric as to each oscillating signal of the plurality of oscillating signals; and a shared capacitor coupling the RF input to the first plurality of mixers and the second plurality of mixers. Other aspects and features are also claimed and described.

Abstract: A method for capturing videos and/or images of a target area using a single camera configured with an aerial vehicle (AV) is disclosed including the steps of moving the AV over the area of interest along a straight path; capturing a first set of images of an area down below by pointing an optical axis of the camera towards a first side of the straight path such that the optical axis makes a first set of predefined angles with vertical; and capturing a second set of images of the area down below by pointing the optical axis of the camera towards a second side of the straight path such that the optical axis makes a second set of predefined angles with respect to the vertical. Side overlap between the first and second set of images is optimized to account for error in camera movement.

Abstract: A computer-implemented system and method of generating a graph representation of a scene comprising receiving sensor data representative of a perceived scene captured with a sensor; defining a plurality of nodes based on the received sensor data; creating a densely connected graph by connecting each node to a number of nearest neighbour nodes; predicting, for each pair of connected nodes of the densely connected graph, at least a node probability, wherein the node probability represents a probability that the pair of connected nodes represent the same object; and generating a graph representation of the perceived scene based at least on the densely connected graph, and the predicted node probability. The method may also be applied to two or more observations of a scene.

Abstract: Various embodiments of the present invention provide methods, apparatus, systems, computing devices, computing entities, and/or the like for performing predictive structural analysis. Certain embodiments of the present invention utilize systems, methods, and computer program products that perform predictive structural analysis using at least one of table column classification machine learning models, table column clustering machine learning models, structural variance generation machine learning models, and emergence report generation machine learning models.

Abstract: A multi-tube burner system for efficient mixing of fuel and air for combustion is disclosed. The multi-tube burner system includes an air supply plenum, a multi-tube burner, and a combustor. Further, the multi-tube burner includes a set of tubes including the air supply section to receive combustion air and supply the received combustion air to a mixing section. Furthermore, the multi-tube burner includes a set of fuel pipes to receive fuel from a set of fuel inlets and supply the received fuel to a set of fuel plenums. Furthermore, a pair of fuel receiving channels receive the fuel from the set of fuel plenums and a fuel injector pin injects the received fuel from the pair of fuel receiving channels to the mixing section. Further, a set of mixing holes allow egression of the combustion air and the fuel mixture from the mixing section to the combustor.

Abstract: An apparatus, including a positive input for an input differential signal; a negative input for the input differential signal; a positive output for an output differential signal; a negative output for the output differential signal; a first capacitor including a first terminal coupled to the positive output; a second capacitor including a first terminal coupled to the negative output; and a switching network configured to: couple a second terminal of the first capacitor to the negative input or a positive node based on a mode signal; and couple a second terminal of the second capacitor to the positive input or a negative node based on the mode signal.

Abstract: An ultrasound signal processor uses an excitation generator to cause displacement of a membrane or surface while a series of ultrasound pulses are applied to the membrane or surface. Phase differences between a transmitted signal and received signal are examined to determine the movement of the membrane or surface in response to the applied excitation. An examination of the phase response of the membrane or surface provides a determination as to whether the fluid type behind the membrane or surface is one of: no fluid, serum fluid, or purulent fluid.

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed to improve management operations of a cloud computing environment. An example apparatus includes at least one memory, machine readable instructions, and processor circuitry to at least one of instantiate or execute the machine readable instructions to determine a connectivity status between a first agent operating on a proxy server and a second agent operating on a compute node, the first agent and the second agent executing an application monitoring service, in response to determining that the connectivity status is indicative of a failed connection between the first agent and second agent, update the connectivity status of the second agent, and obtain an instruction to rectify the failed connection, and resolve that failed connection between the first agent and the second agent.

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed. An example apparatus includes: at least one memory; instructions; and processor circuitry to execute the instructions to: install an agent on a virtual machine, the agent execute as a serverless application in a cloud infrastructure; obtain first metrics from the virtual machine, the first metrics based on an operating system executing on the virtual machine; configure a plug-in of the agent to facilitate the agent monitoring an application executing on the virtual machine; obtain second metrics from the virtual machine, the second metrics based on the application; parse the first and second metrics; and transmit the first and second metrics to a server for storage and analysis.

Abstract: A novel bioresorbable intracranial pressure sensor fabricated using readily available bioresorbable materials which are compatible with standard microfabrication technology is provided. The intracranial pressure sensor can also stay operational for a relevant time scale and can transfer data wirelessly.

Abstract: An ultrasound signal processor uses an excitation generator to cause displacement of a tympanic membrane while a series of ultrasound pulses are applied to the tympanic membrane. Phase differences between a transmitted signal and received signal are examined to determine the movement of the tympanic membrane in response to the applied excitation. An examination of the phase response of the tympanic membrane provides a determination as to whether the fluid type behind the tympanic membrane is one of: no fluid, serum fluid, or purulent fluid.

Abstract: Polymeric compositions, methods, and delivery devices for inhibiting bleeding are disclosed. The method includes applying a dried material topically to a wound site, where the material may include a cross-linked biologically compatible polymer which forms a hydrogel when exposed to blood and where the material may not include an active agent such as thrombin. A spring-loaded delivery device as described herein may be used to apply the dried material.