Abstract: Provided is a method for securing against fault attacks during verification a digital signature of a message on a client device. It performs (S1) at least one check on intermediate parameters that are generated for one that is different from 0 modulo n. It checks that values computed by several executions of the verification algorithm are the same, and checks that at least one mathematical relationship is verified. It performs a signature comparison final step to test equality between one of the intermediate parameters and a part of the digital signature. It triggers (S2) a fault attack countermeasure when at least one of the performed checks has failed.

Abstract: Some embodiments relate to a semiconductor structure including a semiconductor substrate, and n interconnect structure disposed over the semiconductor substrate. The interconnect structure includes a dielectric structure and a plurality of metal lines that are stacked over one another in the dielectric structure. A through substrate via (TSV) extends through the semiconductor substrate to contact a metal line of the plurality of metal lines. A protective sleeve is disposed along outer sidewalls of the TSV and separates the outer sidewalls of the TSV from the dielectric structure of the interconnect structure.

Abstract: An electro-hydraulic braking system includes a main casing. A hydraulic unit brake master cylinder is provided in the main casing. An outer end of a piston rod of the brake master cylinder is connected to an output top rod. Another end of the output top rod is provided with an input rod. The input rod is slidably connected in the main casing along only a length direction of the input rod, and another end of the input rod is provided with a push rod that is configured to transmit a brake pedal force. The main casing is further provided therein with a reset member configured to push the push rod away from the brake master cylinder to reset and a displacement sensor configured to sense a displacement of the push rod. The input rod and the output top rod include a spacing state and an abutment state.

Abstract: The present disclosure relates to a composition that includes a material of at least one of a perovskite structure, a perovskite-like structure, and/or a perovskitoid structure, where the material includes an isotope of an element, the isotope has more neutrons than protons, and the isotope is incorporated into the perovskite structure, the perovskite-like structure, and/or the perovskitoid structure. In some embodiments of the present disclosure, the isotope may make up between greater than 0% and 100% of the element.

Abstract: The present invention relates to a new method for rescuing an influenza virus and a composition therefor. The method comprises providing a host cell stably integrated with and expressing influenza virus PA, PB1, PB2 and NP genes, and introducing an influenza virus rescue system in which a stop codon is introduced into the PA, PB1, PB2 and NP genes respectively into the host cell to achieve virus rescue. The produced virus particles can be used as a live attenuated influenza vaccine, which is characterized in that, since the genes encoding the related proteins are mutated, it has no replication and proliferation ability in human and normal animal cells, and replication and proliferation can be achieved only in the host cells constructed above and it can fully stimulate the body immunity and effectively protect the body while ensuring the safety.

Abstract: An indexable drilling tool, includes a cutter body, an outer blade and an inner blade. The inner blade is surrounded by a first upper surface, a first lower surface and a first side surface. The first upper surface intersects with the first side surface to form multiple identical inner cutting edges. When drilling, a cutting area of the inner cutting edge as a main cutting edge is located between a central inner point and a central outer point on the inner cutting edge. In a feed direction, an inner convex cutting portion with a maximum cutting depth is arranged between the central inner point and the central outer point. Distances between the central inner point and the inner convex cutting portion and between the central outer point and the inner convex cutting portion in an axial direction are H1 and H2 respectively, which meets the following requirement: 0.9H2?H1?1.1H2.

Abstract: The present disclosure provides a UAV control method. The method includes controlling an antenna device of a microwave radar of the UAV to transmit a microwave transmission signal and obtain a received signal, the microwave transmission signal and the received signal both being trapezoidal modulation waveforms, and one cycle of the trapezoidal modulation waveform including a frequency rising part, a frequency falling part, and a fixed frequency part; obtaining an intermediate frequency signal mixed by a frequency of the microwave transmission signal and the received signal to the radar controller, and determining whether the received signal is an interference signal based on the intermediate frequency signal; determining coordinate information of a detection target corresponding to the received signal if the received signal is not the interference signal; and updating a trajectory of the UAV based on the coordinate information of the detection target.

Abstract: An ultrasonic peening-type integrated machining method for cutting and extrusion includes: applying transverse ultrasonic vibration or a vibration component, which is vertical to a cutting speed direction to a cutting tool on a machine tool; setting a cutting parameter and an ultrasonic vibration parameter such that a dynamic negative clearance angle is generated in a cutting procedure and a flank face of the cutting tool conducts ultrasonic peening extrusion on the surface of the workpiece; setting an extrusion overlap ratio; setting a wear standard of flank faces extruded by the cutting tool; controlling a vibration cutting trajectory phase difference of the cutting tool during two adjacent rotations; and turning on the machine tool in order to ensure that cutting and surface extrusion strengthening of the workpiece are completed in one procedure without separate strengthening procedures. The method conducts extrusion strengthening on the surface of the workpiece while cutting the workpiece.

Abstract: Embodiments provide a CSI-RS sending method and device, and a base station. The CSI-RS sending method includes: receiving capability indication information of each user equipment UE in a cell; determining N transmission schemes based on the capability indication information; configuring CSI-RS resources to be multiplexed by CSI-RSs corresponding to the N transmission schemes; and sending, to corresponding UE based on each of the N transmission schemes, a CSI-RS that is carried on the CSI-RS resource and that corresponds to the corresponding transmission scheme. It can be learned that according to the technical solutions in the embodiments of this application, when resources are limited, CSI-RSs corresponding to different transmission schemes are sent in a resource multiplexing manner, so that a plurality of transmission schemes can be compatible, and resource utilization can be improved.

Abstract: Provided are computer implemented systems and methods for providing improved language translation, including translation of input text to an output translated text element. This may include providing for rule-based language translation. This may further include a plurality of machine translation models adapted to different translation domains. A machine translation selector is described that selects an in-domain machine translator from the plurality of machine translation models based on an input text element. The selected in-domain machine translator may generate a first translated text element from the input text element. A post-editor module may generate a second translated text element by predicting a post-edit to the first translated text element. The first translated text element and the second translated text element are evaluated by a quality evaluation model that determines a first metric associated with the first translated text element and a second metric associated with the second text element.

Abstract: A method is provided for modeling and analyzing a generalized microscopic stress concentration phenomenon on a machined surface.

Abstract: An ultrasonic peening-type integrated machining method for cutting and extrusion includes: applying transverse ultrasonic vibration or a vibration component, which is vertical to a cutting speed direction to a cutting tool on a machine tool; setting a cutting parameter and an ultrasonic vibration parameter such that a dynamic negative clearance angle is generated in a cutting procedure and a flank face of the cutting tool conducts ultrasonic peening extrusion on the surface of the workpiece; setting an extrusion overlap ratio; setting a wear standard of flank faces extruded by the cutting tool; controlling a vibration cutting trajectory phase difference of the cutting tool during two adjacent rotations; and turning on the machine tool in order to ensure that cutting and surface extrusion strengthening of the workpiece are completed in one procedure without separate strengthening procedures. The method conducts extrusion strengthening on the surface of the workpiece while cutting the workpiece.

Abstract: A radar-based ranging processing method includes obtaining a difference frequency signal of a radar, obtaining input spectrum amplitude data according to the difference frequency signal, obtaining, based on parallel processing, constant false alarm detection values each corresponding to one of spectrum amplitudes of the input spectrum amplitude data, obtaining a target frequency point according to the spectrum amplitudes and the corresponding constant false alarm detection values, and obtaining a distance value between the radar and an obstacle according to the target frequency point.

Abstract: Embodiments of the present disclosure provide a communication method and device for uplink power control. The method comprises receiving a plurality of sets of power control parameters from a network device, each of the plurality of sets being associated with a corresponding one of a plurality of sets of candidate beam patterns for the terminal device. The method further comprises selecting, based on a beam pattern for the terminal device, one of the plurality of sets of power control parameters for uplink transmit power control, the beam pattern for the terminal device being included in the set of candidate beam pattern that is associated with the selected set of power control parameters.

Abstract: A cluster of devices can be identified where results from executing a test by any cluster devices can be considered as being from the same device. Thus, instead of waiting for a single device to produce comparable results, multiple devices from the same cluster can simultaneously perform the test and obtain the needed set of test results more quickly. The technology can identify clusters of devices that are all similar to a primary cluster device. A device pair can be considered similar when (1) a mean each of a set of test results from each device are within a first threshold of each other, (2) a measurement of the consistency of each test result set are within a second threshold of each other, and (3) a measurement of the consistency of a combination of the test results sets is between the consistency measurements of the individual test result sets.

Abstract: A light emitting device, an optical module and a manufacturing method thereof are disclosed. According to an example of the disclosure, the light emitting device may comprise an optical waveguide chip, a light emitting chip and a grating between the light emitting chip and the optical waveguide chip. The light emitting chip may emit laser light. The grating may couple the laser light emitted from the active layer into the optical waveguide chip in a way that the laser light is output along a length direction of the optical waveguide chip.

Abstract: Embodiments of the present disclosure provide a method and apparatus for multi-input multi-output MIMO communications in a wireless communication network. The method comprises: receiving, from a device, long-term precoding information for the MIMO communication, the long-term precoding information indicating a first group of beams for a first antenna polarization, and a second group of beams for a second antenna polarization (S201); receiving, from the device, short-term precoding information for use in the MIMO communication, the short-term precoding information indicating beams selected respectively from the first group of beams and the second group of beams for different antenna polarizations (S202); constructing a precoding matrix for the MIMO communication according to the long-term precoding information and short-term precoding information (S203); and transmitting data encoded according to the precoding matrix to the device (S204).

Abstract: The present invention relates to a method and an apparatus for quantizing channel state information (CSI). According to an embodiment of the present invention, a method for quantizing CSI is provided, which can be implemented on a base station side. The method includes: broadcasting antenna configuration of a base station to a user equipment, wherein the antenna configuration includes an antenna port in a vertical direction and an antenna port in a horizontal direction; sending a reference signal (RS) to the user equipment; receiving a vertical precoder corresponding to the antenna port in a vertical direction and a horizontal precoder corresponding to the antenna port in a horizontal direction that are fed back by the user equipment; and based on the received vertical precoder and horizontal precoder, reconstructing a precoder by using a vertical codebook corresponding to the antenna port in a vertical direction and a horizontal codebook corresponding to the antenna port in a horizontal direction.

Abstract: A cluster of devices can be identified where results from executing a test by any cluster devices can be considered as being from the same device. Thus, instead of waiting for a single device to produce comparable results, multiple devices from the same cluster can simultaneously perform the test and obtain the needed set of test results more quickly. The technology can identify clusters of devices that are all similar to a primary cluster device. A device pair can be considered similar when (1) a mean each of a set of test results from each device are within a first threshold of each other, (2) a measurement of the consistency of each test result set are within a second threshold of each other, and (3) a measurement of the consistency of a combination of the test results sets is between the consistency measurements of the individual test result sets.

Abstract: A shuttle van system for a container terminal, including: at least one rail and a transfer device. The transfer device includes a plurality of shuttle vans and a plurality of transition platforms. Each shuttle van includes: a base frame, a wheel group, a wheel driving device, a lifting device, and a supporting plate. Each transition platform includes brackets. The shuttle vans run on the rail between the brackets. The lifting device of the shuttle van is configured to lift the container from the supporting plate. The container is transferred from the supporting plate of the shuttle van to the bracket after contraction of the lifting device.