Abstract: The described positional awareness techniques employing sensory data gathering and analysis hardware with reference to specific example implementations implement improvements in the use of sensors, techniques and hardware design that can enable specific embodiments to provide positional awareness to machines with improved speed and accuracy. The sensory data are gathered from an operational camera and one or more auxiliary sensors.

Abstract: A computer stylus may have a shaft with a metal tube and a cap slidable between open and closed positions. A connector port may be exposed in the open position and hidden in the closed position. An antenna element may be formed from conductive traces on a printed circuit board in the shaft and aligned with a window in the metal tube. The cap may include a metal hook extending from a conductive wall into the shaft. The hook may overlap the antenna element in the closed position. The shaft may include a dielectric bumper in an opening of the hook. The hook and wall may slide relative to the shaft along the dielectric bumper. The cap may include a metal sleeve around the port. The cap may include a conductive bumper on the wall. The conductive bumper may contact the sleeve when the cap is in the closed position.

Abstract: The present inventions provide covalently surface modified adeno-associated viruses can comprise gene of interest (GOIs) and advantageously can be targeted to certain cell and tissue types for preventative and therapeutic purposes. The present inventions further provide systems and methods for engineering adeno-associated virus (AAV) to create covalently surface modified adeno-associated viruses, and methods of purifying such covalently surface modified adeno-associated viruses. The inventions further include covalently surface modified adeno-associated viruses and preparations and products comprising such covalently surface modified adeno-associated viruses.

Abstract: The present disclosure discloses an application development platform and method, a device, and a storage medium. The platform includes: a program development module, configured to display a page editing interface; and generate a page program according to a user's operation on the page editing interface, where the operation includes generating a page layout using materials and components, and configuring page information for the page layout; a mid-end configuration module, configured to configure an application mid-end for the page program; and an application module, configured to integrate the page program and the application mid-end to obtain an application program.

Abstract: A battery cell includes a housing, an electrode assembly, and an electrolyte solution. An accommodation cavity is formed in the housing. The electrode assembly is disposed in the accommodation cavity. The electrolyte solution is disposed in the accommodation cavity. An electrolyte retention coefficient a and a packing fraction b of the battery cell satisfy the following relationship: 2?a/b?3, and the electrolyte retention coefficient a is in units of g/Ah.

Abstract: A DC-DC converter assembly includes a DC-DC power converter. A converter load is electrically connected between a positive input and a positive output (or negative input and negative output) of the DC-DC converter such that a DC input voltage source of the assembly supplies load power directly to the converter load without passing through the DC-DC power converter.

Abstract: A novel silver braze alloy material is provided which exhibits both a low melting temperature and excellent wettability when brazing components of an article, such as a tools that include a polycrystalline diamond compact. For example, the combination of these properties is beneficial in terms of cost (given the lower silver content) as well as for brazing a cutter to a drill bit body by forming a strong bond (via the high wettability property) and reducing potential damage to the drill bit during the brazing operation (via the low melting temperature property of the alloy).

Abstract: A memory system includes a memory device, and a memory controller which is coupled with the memory device and configured to: compress a first mapping table, to obtain a second mapping table, wherein the first mapping table includes a correspondence relation between an exponent portion of each element of all elements corresponding to an error correction coding equation and an equation coefficient, the exponent portions of all the elements are a group of continuous data; the second mapping table includes a correspondence relation between the exponent portions of part of all the elements and the equation coefficients, the exponent portions of the part of the elements comprise a plurality of pieces of node data extracted from the continuous data; and acquire the equation coefficient corresponding to the exponent portion of any element of all the elements using the node data in the second mapping table through a segmented query.

Abstract: The described positional awareness techniques employing visual-inertial sensory data gathering and analysis hardware with reference to specific example implementations implement improvements in the use of sensors, techniques and hardware design that can enable specific embodiments to provide positional awareness to machines with improved speed and accuracy.

Abstract: Provided a battery, a method for preparation thereof and an electrical device containing the same, wherein the battery includes a positive electrode plate and an electrolytic solution, the positive electrode plate including a positive electrode current collector and the positive electrode current collector including a conductive layer, and the electrolytic solution includes a first anion and a second anion, the first anion includes an anion selected from hexafluorophosphate anions, the second anion includes one ore more selected from anions shown in Formula 1 and an anion shown in Formula 2. The present application can improve the safety performance of the battery while enabling the battery to have good electrochemical performance.

Abstract: A system includes: an energy storage apparatus; an inverter electrically coupled to the energy storage apparatus; and a pulse width modulation module. The pulse width modulation module is configured to: determine a modulation index based on a voltage of the energy storage apparatus and a target output voltage of the inverter; select one of a plurality of pulse width modulation (PWM) approaches based on the modulation index; and determine a switching command for the inverter based on the target output voltage and the selected one of the plurality of PWM modulation approaches.

Abstract: An unreal engine graphic construction method includes the following steps: receiving data to be displayed; determining a number N of basic graphics contained in a graphic to be constructed according to the data to be displayed, wherein, N>1; calling an underlying function at a blueprint layer to draw N of the basic graphics in sequence, wherein the underlying function is used for creating the basic graphics.

Abstract: Disclosed are embodiments for facilitating purposeful stress testing of autonomous vehicle response time with simulation. In some aspects, an embodiment includes receiving a request to launch a simulation scenario on an autonomous vehicle (AV) that is to operate on a real-world test course; initiating a simulation derived from the simulation scenario using a simulation driver that is executing on the AV; engaging operation of the AV on the real-world test course; coordinating a simulated AV position in the simulation with a physical AV position of the AV on the real-world test course; combining virtual entities from the simulation with physical entities on the real-world test course into a list of tracked objects for the AV; and causing the AV to respond to the list of tracked objects including the virtual entities and the physical entities during the operation of the AV on the real-world test course.

Abstract: Provided is a method for rendering an image. The method includes: acquiring a plurality of pieces of raw point cloud data by scanning an object with a scanning device, wherein any one piece of raw point cloud data is configured to describe a data acquisition point on the object; determining at least one piece of boundary line data based on the plurality of pieces of raw point cloud data, wherein any one piece of boundary line data is configured to describe a contour boundary on the object; and determining an object image based on the plurality of pieces of raw point cloud data and the at least one piece of boundary line data, and rendering the object image.

Abstract: Disclosed is an RFID label printer and a method for reading and writing an RFID label using an RFID label printer, the RFID label printer includes: a first antenna, a paper cartridge and a control module for reading and writing, the paper cartridge is used to accommodate a label roll paper, the label roll paper includes a plurality of labels having a first RFID chip, and the control module for reading and writing is configured to perform steps of reading and writing.

Abstract: A battery cell includes a housing, an electrode assembly, and an electrolyte solution. An accommodation cavity is formed in the housing. The electrode assembly is disposed in the accommodation cavity. The electrolyte solution is disposed in the accommodation cavity. An electrolyte retention coefficient a and a packing fraction b of the battery cell satisfy the following relationship: 2?a/b?3, and the electrolyte retention coefficient a is in units of g/Ah.